Gear Pump Design: This pump operates on the principle of positive displacement through the meshing of gears.
It typically consists of two or more interlocking gears that rotate to create a continuous flow of hydraulic fluid.
Durable Construction: The pump is constructed from high-quality materials to ensure longevity and resistance to wear and tear. This durability is essential in demanding industrial environments.
Compact Size: Its compact design allows for easy installation in various hydraulic systems, making it versatile for different applications.
High Pressure Capability: The 5C2 26511RAR is designed to handle high-pressure applications, making it suitable for heavy-duty industrial machinery.
Precise Flow Control: This hydraulic gear pump provides precise control over the flow rate of hydraulic fluid, allowing for efficient operation of hydraulic systems.
The 5C2 26511RAR hydraulic gear pump typically consists of the following components:
Housing: The outer casing that houses all internal components, providing structural integrity.
Gears: The heart of the pump, these gears mesh together and rotate to create the pumping action. In this model, the gears are designed for optimal hydraulic fluid displacement.
Inlet and Outlet Ports: These ports allow hydraulic fluid to enter and exit the pump. The design of these ports is crucial to maintaining a continuous flow.
Shaft: The shaft connects to a power source, such as an electric motor or an engine, and transmits rotational energy to the gears.
Seals and Bearings: Seals prevent hydraulic fluid from leaking, and bearings support the gears, ensuring smooth rotation.
The operation of the 5C2 26511RAR hydraulic gear pump follows these fundamental principles:
Inlet Phase: As the gears rotate, hydraulic fluid is drawn into the pump through the inlet port due to the expanding space between the gear teeth.
Compression Phase: The meshing gears then reduce the volume of the hydraulic fluid, increasing its pressure. This pressurized fluid is pushed towards the outlet port.
Outlet Phase: Finally, the hydraulic fluid exits the pump through the outlet port, ready to power various hydraulic components or systems.


Steam Power Today
Steam power accounts for about 80% of the electricity generated in the world today.
Most steam power generators today are one of two types: fossil fuel power plants, or nuclear power plants. Less often seen, but growing in popularity today are concentrated solar power systems (CSP) which use the sun’s heat to heat water into steam.
Steam turbines today can also be used to power large centrifugal pumps, which could be used to pump water through a hydro turbine generator.


In concrete or dry mortar, we know that sand is essential. Although natural river sand is the best material, but it is f…
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Solenoid Poppet Valves are extremely versatile. They can be used in various systems and are flexible in their mounting capabilities. Typical usage includes the control of actuators in a hydraulic system, decompression of hydraulic fluid in heavy cylinders, On-Off systems, Pilot Valves, etc
N.O. De-energised or N.C. Energised: 2 to 1 – full flow, pressure difference through the pilot orifice holds the main poppet open. 1 to 2 – restricted flow, main poppet seated due to pressure differential. N.O. Energised or N.C. De-energised: No flow, pilot orifice closed, main poppet seated due to pressure differential. 1 to 2 – full flow when the solenoid force is overcome.
• High flow capacity with reduced space • No dynamic seals • Standard valve bodies and cavities • One piece encapsulated coil with minimal amperage draw • Oil immersed armature solenoid • Manual override and seal variations available • Sealed coil arrangement to protect stem from corrosion


Using a relief valve in conjunction with a piston pump is crucial for maintaining system safety and preventing damage. Let’s delve into the reasons why incorporating a relief valve with a piston pump is essential and explore the role it plays in ensuring optimal operation.
Firstly, a relief valve serves as a pressure-limiting device in a hydraulic system. As a piston pump generates hydraulic pressure to drive various components and perform work, there is always a risk of pressure exceeding safe levels due to system malfunctions, blockages, or excessive load demands. The relief valve acts as a safeguard by diverting excess pressure and allowing it to bypass back to the reservoir or another low-pressure area.
By diverting excessive pressure, the relief valve protects the entire hydraulic system from potential damage. Components such as hoses, pipes, seals, and valves are designed to withstand specific pressure limits. If the pressure surpasses these limits, it can lead to leakage, seal failure, or even catastrophic failure. The relief valve prevents such situations by relieving the excess pressure, thus preserving the integrity and longevity of the system.
Furthermore, the relief valve ensures system safety by preventing overloading of the piston pump itself. Piston pumps have a maximum pressure rating beyond which their internal components can be subjected to excessive stress. In the absence of a relief valve, a sudden increase in system pressure could cause the pump to operate beyond its safe limits, resulting in damage to the pump’s pistons, valves, or cylinder block. The relief valve helps maintain the pump’s operating pressure within a safe range, safeguarding its performance and prolonging its lifespan.
Moreover, the relief valve aids in maintaining system stability and responsiveness. When pressure exceeds the set limit, the relief valve opens, diverting excess flow away from the working components. This action prevents a sudden drop in system pressure, which can negatively impact the performance of actuators, such as cylinders or motors. By stabilizing the pressure, the relief valve ensures consistent and controlled operation of the hydraulic system.
In summary, using a relief valve with a piston pump is vital for maintaining system safety, preventing damage, and optimizing performance. The relief valve acts as a pressure-limiting device, safeguarding the hydraulic system and its components from excessive pressure. By diverting excess flow, it protects against potential damage and overloading of the piston pump. Additionally, the relief valve helps maintain system stability and responsiveness, ensuring reliable operation. Integrating a relief valve with a piston pump is a crucial aspect of hydraulic system design to ensure safe and efficient performance.


Tue19Mar20194:00 pmLewis Hall 101
Colloquium: Three Dimensional Numerical Modeling of Temperature Distribution in a High Dam Reservoir with the Effect of Channel Curvature on Mekong River
National Center for Computational Hydroscience and Engineering
University of Mississippi
Three Dimensional Numerical Modeling of Temperature Distribution in a High Dam Reservoir with the Effect of Channel Curvature on Mekong River
A three dimensional numerical model has been developed to simulate the flow circulation as well as temperature distribution in a high dam reservoir with the effect of channel curvature. In the model, the density induced buoyant force on the turbulent flow is considered. This “buoyancy-extended version of k-ε model” is used for turbulence closure, and the flow velocity and temperature distribution are simulated simultaneously. The model was first validated using a laboratory case of turbulent buoyant flow in a curved open channel. The secondary flow circulation in the curved channel was simulated and the temperature distribution in the channel was validated using experimental data. The model was then applied to simulate the flow and temperature distribution in Xiaowan Reservoir, a high dam reservoir on Mekong River, with deep water depth and curvature affect. The numerical results are generally in good agreement with field observations. The thermal stratification, temperature distribution in the reservoir and the effect of channel curvature on the temperature distribution are discussed.


Stevie May August 13, 2019 Flowcharts
Flowcharts provide a bird's-eye view of the structure and sequence of a lesson. Elements are represented by simple icons (circles, rectangles, diamonds, or other shapes), with lines and arrows representing connections between events and the direction or order in which they occur.Flowchart helps to anticipate a problem, analyze the problem, plan the solution, and solve the problem.
To begin creating your flowchart in Google Docs, you start by creating a new Google Docs document and then selecting the Insert menu. From the menu, select Drawing to gain access to a window that contains a variety of tools you can use to generate shapes that you can rapidly incorporate into your drawing as needed.
Start event symbol signals the first step of a process. Process is a series of actions or steps taken in order to achieve a particular end. Decision is the action or process of deciding something or of resolving a question. End event symbol stands for the result of a process.
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Reservoir Operational Models
Initially, a reservoir operational model had to be developed to demonstrate purpose and need related to obtaining a Section 404 Permit for the reservoir. Subsequently, after the reservoir had been permitted and built, LWS has conducted numerous operational studies to evaluate the most efficient use of reservoir storage, given the District’s diverse water rights portfolio, including both current Cherry Creek and Newlin Gulch surface water supplies as well as alluvial aquifer water, and Denver Basin aquifer water. LWS has also conducted operational studies to evaluate a projected trans-basin diversion from its Logan County Farms.
Fort Knox Water Supply Reservoir:
The Fort Knox Gold Project proposed to process approximate 35,000 tons per day of ore material and needed a large water supply for the mill. LWS personnel developed a reservoir operational model to assess the water supply availability on Solo and Last Chance Creeks relative to building a water supply dam and reservoir downstream of the confluence of the two creeks. Complicating factors in the reservoir operational model were the extreme cold conditions in north-central Alaska (north of Fairbanks), which results in several feet of ice on a reservoir over an approximate 9-month period, and the presence of permafrost on the north-facing slopes which were expected to thaw once the reservoir filled. The results of the reservoir operational study indicated a sufficient water supply could be provided for the mill, even with the complicating factors and the reservoir was built and has been providing a water supply to the mill.
Orlando and Cucharas Reservoirs:
Orlando Reservoir is an off-stream reservoir located on the Huerfano River, while the Cucharas Reservoir is an on-stream reservoir on the Cucharas River. Both reservoirs are currently adjudicated for irrigation use and reservoir operational model studies have been conducted to assess the future yields from these reservoirs, both for continued irrigation use and for potentially adjudicating a change of use in Water Court. The results of the reservoir operational model studies have helped guide the client with decisions regarding future use of the reservoirs.
Timnath Landing Augmentation Pond:
A residential and commercial development is proposed in Timnath, Colorado and the property is adjacent to the Poudre River and overlies an ancient buried channel of Box Elder Creek. Because of the local geology, a permanent dewatering system had to be designed to allow the residential and commercial development on the property. Water from the Lake Canal is to be used for augmentation of depletions associated with the dewatering operation. A reservoir operational model was conducted to evaluate the on-site storage capacity that would be necessary to manage the changed Lake Canal share water to provide a reliable augmentation supply. The results of the reservoir operational model have assisted the client with evaluating its options relative to the source of its overall augmentation supply.


Site C Clean Energy Project General Hydraulic Features
December 10, 2020
This paper outlines the general hydraulic characteristics of the flow conveyance systems of the Site C Clean Energy Project. The Site C Clean Energy Project is an 1,100 MW hydroelectric generating station with a 60 m high earthfill dam on the Peace River near Fort St. John, BC, Canada. The project spillway and power intakes are fed by a large approach channel on the right (south) abutment. There are six power intakes each with coarse trashracks and antivortex devices. The powerhouse has six units each with a 10.2 m diameter 90 m long penstock. The spillway has a two-stage stilling basin arrangement with three 16.5 m wide surface radial gates, six 6.5 m wide vertical lift low level gates and a 137 m long free crest spillway. The spillway has a central dividing wall and jet deflectors to mitigate Total Dissolved Gas (TDG). The project has two fully submerged diversion tunnels each 10.8 m in diameter located within the left (north) abutment. One of the tunnels will continue to be used after diversion for releasing minimum downstream flows during reservoir filling. This tunnel will be outfitted with orifices just prior to reservoir filling to increase energy dissipation and reduce tunnel capacity in order to safely discharge minimum required flows while the reservoir rises.
Croockewit, J., J. Bruce, F. Yusuf, J. Nunn and A. Watson. 2017. “Site C Clean Energy Project General Hydraulic Features,” in CDA 2017 Annual Conference, October 16-18, 2017, Kelowna, BC, Canada.


Hydraulic Control Valve for Fire SuppressionEngineering360 News Desk | December 22, 2016
Victaulic launched the Series 800Y Hydraulic Control Valve Family, the latest of the 800-series hydraulic control valves for fire protection applications.
The company says the valve will fill the need for constant, controlled pressure in fire suppression systems. A Y-pattern globe valve body has optimized flow technology, reducing friction loss, the company says. Its design increases flow capacity by up to 40%.
The company says the Series 800Y valve body is intended for high-rise and high-demand buildings and has proven to be a more durable, user-friendly option for commercial applications.
The valve's rolling elastomeric diaphragm automatically adjusts to throttle flow to a concentrated area. The company says this enables the system to stay operational during low flows, which minimizes the pulsing of water flow. The reduction in water hammer improves valve operating life and minimizes noise.
A four-bolt cover plate allows for removal without detaching the control trim. The company says this streamlines what would otherwise be a more time-intensive maintenance process. It says these elements minimize service downtime to five minutes and eliminate the potential for contamination or damage of internal components.


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analysis applied approach ASME beach blade body bottom boundary breaking breakwater calculated coefficient compared comparison computed connection considered Copyright density depth developed device direction displacement distribution effect efficiency element energy Engineering equation estimated experimental experiments factor Figure floating flow fluid force foundation frequency function given increase installed International length limit linear load maximum mean measured Mechanics method motion natural nonlinear observed obtained Ocean offshore offshore wind operation parameters performance period pile pipe pipeline position potential predicted present pressure problem ratio reference relative reported Research respectively response rotor scale scour selected shown shows significant simulation soil solution speed standard stress structure surface Table Technology tidal unit University velocity vertical wave wave height wind turbine


National Drought Mitigation Center
Utah Division of Water Resources: Drought Conditions
Information on state-wide water supply, precipitation, reservoir storage and more.
Utah Department of Water Resources
The National Drought Mitigation Center | 3310 Holdrege Street | P.O. Box 830988 | Lincoln, NE 68583–0988
phone: (402) 472–6707 | fax: (402) 472–2946 | Contact Us


We offer the following services: public water supply and sewerage system development plans; designs for construction/reconstruction of public water supply and sewerage system external networks; water management feasibility assessments; examination of projects etc.
Designing of water supply and sewerage system includes the following services:
Time of completion of the basic project: 2014View all
Läänemaa water management project. Compilation of funding application for Cohesion Fund for the town of Haapsalu, Ridala, Taebla, Noarootsi and Oru Municipalities. Taebla small town.View all


http://www.sparepartsforhomeappliances.com/spare-parts-for-dishwasher/ Part name:
Water solenoid valve
Servo-assisted solenoid valves
Servo-assisted solenoid valves for water. These valves are typically used on household appliances connected to the hydraulic network. A flow regulator, capable of keeping under control the value of the water flow rate as a function of inlet pressure, is integrated to the valve.
● Approvals: European standard EN 60730-1, EN 60730-2-8. On request UL/CSA
● Potable water approvals: WRAS. On request NSF, FDA
● This product meet the requirement of the European Directive 2002/95/CE on RoHS
● Fast installation bracket. (Integrated with bracket.)


Typical countermeasures against subsequent sediment flow following debris deposition include channel works and sand pockets ; however, these measures require extensive open areas. Therefore, alternative countermeasure designs must be considered for residential areas with high population density. The objective of this study was to propose a novel method for capturing subsequent sediment flow following debris deposition at a sabo dam. We installed three types of debris capture devices (subsequent sediment flow breaker, water-absorbing polymer, and sub-dam) to investigate their effects singly and in combination. Subsequent sediment flow characteristics were evaluated in flume experiments using models of the three capture devices. Simulated debris flow was trapped by the sabo dam model, and subsequent sediment flow was controlled by the three countermeasures installed downstream of the dam. Sediment was separated from water using the subsequent sediment flow breaker and then trapped by the sub-dam, and water was absorbed by the polymer. We measured 1) the volume of sediment collected by the breaker, 2) time elapsed from the sabo dam to the end of the flume, 3) peak discharge, and 4) concentration of the subsequent sediment flow. Sediment volume decreased and elapsed time increased as the sediment flowed through the experimental countermeasure structures, leading to dramatic reductions in peak discharge and sediment concentration downstream of the sabo dam.
A new plane grid-type dam has been recently developed to entrap debris flows including driftwoods. A new
plane grid-type dam supported by sleeve pipes is proposed by connecting with concrete buttresses. The
advantages of this dam are rapid construction, low maintenance costs and enhanced stability. However, the
load-carrying capacity of this dam has not been clarified yet so far. To this end, the load-carrying capacity of
a steel pipe beam supported by sleeve pipes is first investigated experimentally. Second, the FEM analysis is
performed to estimate the load performance which was not measured by the test. Finally, a new design
expression is proposed to evaluate the load-carrying capacity of a steel pipe beam mounted in sleeve pipes.


Plunger pump efficiency
Efficiency is now pursued by many manufacturers. After the work efficiency has been improved, the production capacity of the enterprise will certainly be improved, and the development of the enterprise will be better and better. Under normal circumstances, the efficiency of the enterprise is also related to the equipment of the enterprise. Take the axial piston pump. The axial piston pump you use is inefficient, so the production speed will naturally not go up. Face this What kind of situation should we solve?
The actual effective use of axial piston pump engineering machinery is only 5% to 7%. There are many factors affecting the efficiency of the axial piston pump system, mainly the energy loss generated by the operation of hydraulic components.
Extensive research has been carried out around improving the efficiency of hydraulic components, reducing the throttling losses of piping and liquid valves, optimizing system design and matching, and using measures to improve the efficiency of axial piston pump systems. For example, in the construction machinery, the throttle valve, directional control valve and balancing valve that cause pressure loss in the hydrostatic drive circuit are ideal, but it is an ideal energy-saving system, but only for the closed circuit of the hydraulic motor. System; in open circuit, constant power control variable pump; load sensing technology and proportional control pump; hydraulic source split-flow technology; pressure control technology; energy recovery technology; secondary regulation technology; electronic matching energy-saving technology, etc. .
Through the above methods, we can effectively improve the working efficiency of the axial piston pump, but the efficiency of the axial piston pump has not reached the limit, we can continue to research and develop in the future.


Engineering hydraulic oil cylinder, the hydraulic oil cylinder is a variety in detail, and the hydraulic oil cylinder is relatively empty see penetration and often use a, so it is necessary to be familiar with …
Cylinder: the commonly used materials are seamless steel tubes of no. 20, 35 and 45. After honing or rolling, the steel tubes reach the roughness requirements within 0.4 cm. Low pressure cylinder can be used wi…
Hydraulic cylinder stroke is the difference between the maximum total length of the hydraulic cylinder when ejecting and the minimum total length when retracting.The stroke of the cylinder shall be the stroke o…
The operation principle of the lift platform is formed by hydraulic oil by the vane pump, a certain pressure, the oil filter, flameproof electromagnetic directional valve, throttle valve, hydraulic control one-…
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We produce excellent quality of portable Municipal diesel hydraulic power unit manufacturer products, timely delivery of goods, and competitive prices are the keys to establish and maintain the long term business relationships with our customers in a mutual beneficial way. Sincerely welcome every customer to visit our factory.
Our company is a professional manufacturer of wholesale light weight Defence 3 phase hydraulic power unit in China. We have been the leading supplier and manufacturer portable concrete cutting Power Pack Hydraulic manufacturer in China thanks to our excellent quality and after-sales services.
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The suction inlet of the turbine EH oil main oil pump is where the oil pump absorbs EH oil. It is usually located below the oil pump or on the low-pressure side of the oil system. In this position, the oil pump draws EH oil from the oil system through its suction port, and then compresses and pushes it to the higher pressure side of the oil system to supply to various control systems of the steam turbine.
The filter element DS103EA100V/-W is a filter installed at the suction port of the oil pump. It is used to prevent impurities in the oil from entering the oil pump and protect the internal components of the oil pump from wear. It can filter out metal shavings, dust, fibers, sludge and other suspended particles in the oil.
Because the steam turbine uses special EH oil, the filter element DS103EA100V/-W has some characteristics that are different from ordinary filter elements:
- 1. Chemical stability: Steam turbine EH oil may be affected by high temperature, high pressure and chemical pollution. Therefore, the filter element DS103EA100V/-W used in EH oil systems must be made of materials that are resistant to the chemical properties of the oil to prevent degradation of the filter element itself.
- 2. Anti-fatigue performance: Since the oil in the turbine oil system may exert pressure on the filter element during circulation, the filter element DS103EA100V/-W must have good fatigue resistance performance to withstand long-term use without damage.
- 3. Anti-emulsification and anti-foaming properties: Turbine oil may produce foam or emulsification under high temperature and pressure. The filter element DS103EA100V/-W needs to have good anti-emulsification and anti-foaming properties to ensure the stability of the oil.
- 4. Compatibility: The material of the filter element DS103EA100V/-W needs to be compatible with the oil of the turbine oil system to prevent filter element performance degradation or system failure caused by chemical reactions.
- 5. Temperature resistance: The steam turbine will generate high temperatures during operation, so the filter element DS103EA100V/-W must be able to withstand high temperature environments without losing filtration efficiency due to temperature changes.
In summary, as a filter element that uses steam turbine EH oil as the working medium, the filter element DS103EA100V/-W has its own special features in terms of material selection, filtration performance, durability, anti-foam and emulsification performance, structural design, and ease of maintenance. These are all to ensure that the steam turbine can operate efficiently, safely and stably.
There are other different filter elements used in power plants as below. Contact Yoyik for more types and details.
gas turbine actuator filter DP116EA10V/-W
Filter element QF9732E25HPTC-DQ
oil-return filter HL151E2
FILTER ELEMENT FAX 400*10
cellulose filter ZD.04.003
filter element 21FC1421(160*800/6)
ion-exchange resin filter DRF-8001SA
ion-exchange resin filter DL600508
FILTER ELEMENT LX-HXR25X20
Oil filter element 1300R003ON
actuator inlet working filter AP3E302-01D10V/-W
Post time: Feb-28-2024


Hydrology and hydraulic study is a comprehensive analysis of water systems and their interactions with the environment. Our team of expert engineers at LIN Consulting, Inc. specializes in conducting hydrology and hydraulic studies to help businesses and organizations better understand water systems, identify potential risks, and determine flood zones.
Our hydrology services include tracking and analyzing precipitation and runoff, examining the flow of rivers and streams, and estimating the impact of potential land-use changes on water systems. Our hydraulic services use simulations to analyze water flow and pressure, identify potential blockages, and determine the best ways to manage water flow.
At LIN Consulting, Inc., we use advanced technologies and modeling techniques to deliver accurate results efficiently. Our team of experts performs extensive fieldwork and laboratory studies to get a better understanding of the environmental impact of the water system. We also provide customized solutions for each client.
Our services include feasibility analysis of the design, alternatives to reduce environmental impact, site improvement designs, permit aggregation, construction designing, public participation processes, and risk management to enhance the success of projects.
LIN Consulting, Inc. can help businesses and organizations to design, build, and manage water systems effectively. Our approach provides a complete understanding of the hydrology and hydraulic structures and delivers innovative solutions to complex water management problems.


hydraulic fual tank for power pack
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The company covers an area of 15,000 square meters and the plant construction area is 10,000 square meters. We have introduced more than 50 sets of advanced hydraulic fual tank for power pack production equipment, auxiliary equipment and testing equipment at home and abroad, more than 260 employees, more than 20 middle and senior management staff, more than 10 professional and technical personnel, annual production capacity of 100,000 tons. Main products: flat steel, hydraulic fual tank for power pack steel pipe, steel plate, section steel, steel structure processing parts, etc. We also accept incoming materials and annealing processing.
Mar 25, 2021 · hydraulic power pack tank, hydraulic power pack tank hydraulic fual tank for power packHydraulic Power Pack Tank 3.5l Plastic DC Hydraulic Power Pack Steel TankPower Pack Hydraulic 700 Bar Hydraulic Pump High Efficiency Power Pack 700 Bar Hydraulic PumHydraulic Power Pack 0.75 Kw 1.5 Kw 2.2 Kw 3 Kw 4 Kw Hydraulic Pump 220v 700 Bar Small PortaHydraulic Power Pack Tank 37 Kw Hydraulic Packing Cheap China Manufacturer Hydraulic Dual MoSee a full list on alibaba hydraulic fual tank for power packhydraulic power pack oil tank, hydraulic power pack oil hydraulic fual tank for power pack1.6 Tank internal : Built-in diaphragm in the tank, increasing flow circulation path, can improve the effect of cooling, air separation and precipitation of impurities. 4.2 The fuel tank of the return pipe should be located in the oil under the surface, in order to avoid the oil return oil shocks in oil tank liquid level, make the oil inside the bubble, cause cavitation, adverse effects of hydraulic system.hydraulic oil tank - Ningbo YOYE Hydraulics Co., Ltd hydraulic fual tank for power packChina hydraulic oil tank catalog of Hydraulic Round Steel Oil Tank/Power Unit Reservoirs Fuel Tank, Reservoirs for Vehicle Tailgate Power Unit Hydraulic Oil Tanks provided by China manufacturer - Ningbo YOYE Hydraulics Co., Ltd., page1.
CAPCO provides comprehensive range of Hydraulic Oil Tanks that are used for crushing and screening machines. The company exclusively manufactures these hydraulic tanks according to the customer specifications. Hydraulic tanks can be made available in different sizes and capacities as per the customer specifications and requirements.See all results for this questionWhat is a hydraulic tank?We are a leading manufacturers of Hydraulic Tank. Fully hydraulic lifting and loading system, can be completed whole operation by few labour. CAPCO provides comprehensive range of Hydraulic Oil Tanks that are used for crushing and screening machines.See all results for this questionWhat is a Capco hydraulic tank?Fully hydraulic lifting and loading system, can be completed whole operation by few labour. CAPCO provides comprehensive range of Hydraulic Oil Tanks that are used for crushing and screening machines. The company exclusively manufactures these hydraulic tanks according to the customer specifications.See all results for this question
fuel hydraulic tank combogas hydraulic power packhydraulic power packfuel hydraulic tank splithydraulic power pack pumphydraulic power pack for salehydraulic power pack enginediesel hydraulic power packIncluding results for hydraulic fuel tank for power pack.Do you want results only for hydraulic fual tank for power pack?Power Packs | Consolidated Rig Works, LPCRW Standard Coiled Tubing Unit Power Pack Specifications. Prepped, primed and painted a single color of customer choice. Fitted with 4-point lift and a crash frame. Shackles are of the bolt, nut and locking pin design. Slings are furnished. Standard dimensions: 158 in. long x 98 in. wide x 98 in. high. Industrial water-cooled diesel engine, muffler of spark arresting type, oil drain hose and shutoff valve Portable Hydraulic Power Pack with 470 L Fuel Tank Volume hydraulic fual tank for power packHigh quality Portable Hydraulic Power Pack with 470 L Fuel Tank Volume 240 L/min Max Flow Rate from China, China's leading portable hydraulic power unit product, with strict quality control electric hydraulic power pack factories, producing high quality electric hydraulic power pack products.
Portable Hydraulic Power Pack with 470 L Fuel Tank Volume 240 L/min Max Flow Rate Contact Now Durable Flexible Portable Electric Hydraulic Power Unit Motor Power 37 KW Longlife KPS37 technical specifications Service fluid 32#or46# anti-wear hydraulic oil Capacity of tank Portable Hydraulic Power Pack 14 - LamorThe Hydraulic Power Pack LPP 14 is used as a power source for skimmers and other smaller hydraulically operated equipment such as boom reels, air blowers, etc. The power pack is a lightweight, easily portable power solution for hydraulic equipment that can be operated in remote locations. The main components of the LPP 14 are air-cooled diesel engine, hydraulic pump, hydraulic power outlet connectors, hydraulic oil tank with hydraulic return filter, fuel tank, Parts Manual9 287563-00301 fuel tank 1 10 296267-625 battery, 12v group 24 top post 575 cc amps 1 11 296273-084 bracket, battery 1 hydraulic fual tank for power pack 40 296271-972 filter, fuel 1 power pack, 20hp - hydraulic, electric & fuel system assembly figure 5. hydraulic power supply units p 10 power pack, 20hp - hydraulic, electric & fuel system assembly (2 of 2)
Dec 20, 2015 · Made a bit more progress with this pack today. New switch was fitted,a new gasket was made up for the tank and then assembled. The carb was overhauled and the air filter assembly straightened and fitted. I also refurbished the valve block, luckily the hydraulic filter. is the same as used on some modern CAT power packs.O&R: shaft seals for 3/4HP .85HP & 1HP engines (including 13A & 13B)Jul 19, 2019Wheel Horse C-101Feb 13, 2018JCB Beaver Hydraulic Power Pack.Jan 16, 2015Bolens HDT1000 info neededDec 24, 2014See more resultsHydraulic Tanks at Best Price in IndiaAlumunium Tank - 40l (Yuken), Capacity: 40 litres. 6,500/ Piece Get Latest Price. Usage/Application: hydraulics power pack. Capacity: 40 litres. Product Type: alumunium tank. Storage Material: hydraulic oil. Material: aluminium. Brand: YUKEN.Hydraulic Tank-China Hydraulic Tank Manufacturers hydraulic fual tank for power packChina Hydraulic Tank - Select 2021 Hydraulic Tank products from verified China Hydraulic Tank manufacturers, suppliers on Made-in-China hydraulic fual tank for power pack.
Mar 25, 2021 · Hydraulic Tank for sale | eBayLenz Hydraulic 5" Tank LEVEL TEMP SIGHT GAUGE with 1/2-13 Mounting Bolts T-550-5Find many great new & used options and get the best deals for Lenz Hydraulic 5" Tank LEVEL TEMP SPARKER FLUID SYSTEMS HYDRAULIC POWER UNIT, TANK CAPACITY 10 GALLON, 3HPFind many great new & used options and get the best deals for PARKER FLUID SYSTEMS HYDRAULIDouble Acting Hydraulic Pump 12V Dump Trailer Pump 10 Quart Metal Tank/ReservoirQUICK LIFTING & LOWERING- The hydraulic dump kits are built to start quickly and reliably. WitSee a full list on ebay hydraulic fual tank for power packHydraulic Power Packs | TJ HydraulicsThe power packs comply with CE regulations, ISO9001 quality management standard, have low noise levels, and boast quality workmanship. With the available models and options these power packs can be assembled to suit any requirement. Our specialists will be happy to answer any questions you may have on these products.Hydraulic Power Packs - BAUERThe Bauer HD 470 is a hydraulic power pack of the mid- range performance class. As the follow-up model of the successful HD 460 it is suitable for multi-functional appli- cations in specialist foundation engineering. It is character- ized in particular by its low power-to-weight ratio, robust design and high level of cost-effectiveness.
Weathering steel plate for welding structure is made by adding metal materials such as chromium, molybdenum, titanium and vanadium to ordinary molten steel. The addition of these materials can form a protective film on the steel surface, which can resist weathering corrosion for a long time. The advantages of weathering steel plate for welding structure: It has very good welding performance and weather resistance, and is widely used in railways, bridges and other areas that need to be exposed to the atmosphere for a long time. Disadvantages of weathering steel plate for welded structure: It has very high requirements on the production process, and the poorer technology can not produce good weathering steel plate, hydraulic fual tank for power pack.


LGP120/30PI-E Grouting pump for sale is driven by electric motor, which is the power for hydraulic system. It is mainly used for highways, railways, water and electricity, construction, mining etc. ground / underground construction. The symmetrically designed piston pump realizes the continuity of suction and discharge through reciprocating movement of hydraulic cylinder. At the same time, the closed cavity can generate high pressure, so that the mud can be injected with a certain pressure to complete the shotcrete action. LGP120/30PI-E Grouting pump is suitable for handling a wide variety of products including neat cement, PFA cement and sand cement grouts.
The grout injection pump could stepless adjust grouting flow and grouting pressure. It could pumping cement slurry, chemical slurry, etc. LGP120/30PI-E Grouting pump for sale is mainly used for ground/underground construction, such as highways, railways, water and electricity, construction, mining etc.
Features of LGP120/30PI-E Grouting pump for sale:
1. Solid State Relay.
2. LGP120/30PI-E Grouting pump for sale is with PLC and HMI control.
3. Both hydraulic air and water cooler.
4. Grouting pressure and displacement can be adjusted steplessly.
5. Hydraulic system is equipped with oil temperature protection system.
6. Double cylinders piston pump to ensure the continuous slurry flowing (small pulse) and not easily leaking compared with the double acting piston pump.
Maintenance of LGP120/30PI-E Grouting pump for sale:
Before starting the machine every time, check if the lever of hydraulic oil is enough or not, and if the Proximity Switch is fixed in place.
When the grouting pump for saleis working, check if the oil pressure is stabilization or not, the oil temperature is high or not, leakage oil occurs or not.
When the grouting pump for sale is stop, clean the grouting cylinder and conveying hose line in time.
If the main grouting pump doesn’t work for a long time, the antirust oil must be plastered on the inner of material pipes and pressure oil must be released.
Check if the all the bolts and joints is fixed in place or not every three months
When new oil is added in the oil tank, the oil must be filtrated by the less than 20µ filter.
Please feel free to submit your inquiry information to us. We will contact with you as soon as possible.


Dosing pump for water treatment plant, digital display, button to adjust flow, 12 watt, 0.48 L/h flow, stroke 90 N/m, resistant to weak acids and alkalis. Solenoid diaphragm metering pump with diaphragm damage protection and alarm function.
Chemical dosing pump flow 3.12 L/h, 12W, 7.6 bar, digital display, good sealing, strong corrosion resistance, diaphragm dosing pump with cycle timer, button control flow, widely used in industrial wastewater treatment.
Diaphragm dosing pump power 16W, AC 220V, flow 5.04 L/h, press the button to adjust the flow rate, and control the flow rate more accurately. Solenoid metering pump with cycle timer, the pump head is well sealed, suitable for a wider range of medium delivery.
Chemical diaphragm dosing pump for water treatment plant, flow can be adjusted to 16.8L/m by pressing the button, pressure 4.2 bar, the nature of strong acid and strong alkali resistance makes dosing pump used in a wide range of media.
Diaphragm dosing pump flow 4.2 L/h, 40 watt, directly compile external signals without converters, strong acid and alkali resistance, good stability. LCD display chemical metering pump is accurate in metering and convenient to adjust the flow rate. It is an ideal choice for sewage treatment plants.
Selling diaphragm dosing pump with good stability and performance at a low price, flow 6.8 L/h, pressure 11.3 bar, simple structure, accurate measurement, strong acid and alkali resistance.
The dosing pump is a special positive displacement pump that can meter the delivered fluid. It is generally composed of a control part, a driving part, a transmission part and an overcurrent part. The main difference between an electromagnetic diaphragm metering pump and other metering pumps is the driving part.
The rated flow of the ATO metering pump is in the range of 1.08-31.2 L/h, and the output pressure is 1.8-22.7 bar. The outlet flow of the dosing pump can be realized according to the stroke frequency.


Some Problems in Navier-Stokes Theory with Slip Condition
This thesis is concerned with the study of an incompressible Newtonian vis-
cous fluid flow using slip boundary condition. Navier-Stokes equation is applied to
all considered problems. We considered three different problems. The first problem is the unsteady fluid flow between two concentric spheres with slip parameters. In the second problem, the oscillatory fluid flow between two parallel plates with slip conditions under the effect of pressure gradient is considered. The final problem deals with the unsteady fluid flow of a half-space problem using time fractional derivative. In these problems, we focused on slip boundary conditions and its influence on fluid flows of Navier-Stokes theory. It's concluded that the slip coefficient has a considerable contribution to the velocity, shear stress and the resultant torque of the considered problems. Its effects on flow field are discussed through graphs.
Ola Ismail Shaar
Emad Abdel-Aziz Ashmawy


Positive displacement pumps play a critical role in fluid handling and processing applications across a wide range of industries. While centrifugal pumps have replaced them as the standard for low-pressure, high-volume pumping operations, they remain necessary for highly specialized pumping applications. The following article provides an overview of positive displacement pumps, outlining what they are, how they work, and the types available in the market.
What Is a Positive Displacement Pump?
Positive displacement pumps rely on a variety of rotating or reciprocating components—e.g., diaphragms, gears, pistons, rollers, or screws—to draw in fluid into the pump chamber on the suction side and push fluid out of the pump chamber on the discharge side. The suction side has an expanding cavity while the discharge side has a decreasing cavity. This design allows the pump to generate the high pressures needed to move materials with high-viscosities and/or in precise volumes.
How Does a Positive Displacement Pump Work?
Positive displacement pumps rely on the principle of fluid displacement to move fluid from the inlet to the outlet. During each cycle of operation, the rotating or reciprocating component forces a fixed amount of fluid into the expanding cavity and out of the decreasing cavity. The amount of fluid displaced depends on the displacement mechanism employed. The rate of flow will remain constant, regardless of the discharge pressure.
Unlike centrifugal pumps, positive displacement pumps do not have shut-off heads. As a result, they cannot be operated against closed valves on the discharge side. Otherwise, the pump will continue to discharge fluid until the pressure in the discharge line is sufficient enough to damage the line and/or the pump. For this reason, industry professionals often add an internal or external safety or relief valve to the discharge side of positive displacement pumps as a preventative measure.
Types of Positive Displacement Pumps
There are two main classifications of positive displacement pumps: reciprocating pumps and rotary pumps.
Reciprocating Positive Displacement Pumps
Reciprocating pumps rely on components that perform a repetitive linear motion—i.e., up-and-down or back-and-forth—to create the pressure that draws fluid into and pushes fluid out of the pump chamber. Examples of reciprocating pump components include plungers, pistons, and diaphragms. For pumps with pistons or plungers, the suction stroke of the component opens the inlet valve and closes the outlet valve, allowing fluid to enter the pump chamber. The forward stroke of the component closes the inlet valve and opens the outlet valve, allowing fluid to exit the pump chamber. For pumps with diaphragms, the flexible membrane expands and compresses to draw the liquid in and discharge it.
Rotary Positive Displacement Pumps
Rotary pumps utilize components that perform a rotating motion to draw in and push out fluid. Examples of rotary components include gear and screws. The element develops a liquid seal with the pump casing. As a result, it creates suction as it rotates, which pulls fluid into the pump chamber at the suction point and pushes fluid out of the pump chamber at the discharge point.
To learn more about reciprocating and rotary pumps, check out this article. [LINK TO ARTICLE]
Contact the Pump Experts at Glauber Equipment Corporation Today
At Glauber Equipment Corporation, we’ve provided high-quality fluid handling solutions for over 60 years. One of our core product offerings is positive displacement pumps. We maintain a broad selection of equipment from a variety of manufacturers to accommodate the different pumping requirements of our customers. Our experts are available to help identify the best solution for every pumping application.


TTL's synthetically blended hydraulic oils provide maximum anti-wear protection for high pressure, high performance systems. The natural high viscosity indexes and the sophisticated hydraulic additive packages developed by TTL create maximum oil cohesiveness, resulting in leakage reduction– up to 90%!
Extended Drain Cycles
TTL's hydraulic oils increase drain intervals–typically 3 to 5 times longer than conventional oils, reducing waste disposal costs.
Continued System Efficiency
The pressure and temperature stability of TTL hydraulic oils permit continuous, around-the-clock system operation, without loss of equipment efficiencies. These high performance oils increase production output and profits.
T-HYD 32 • T-HYD
46 • T-HYD 68 • T-HYD 10/30
• Anti Wear–Extended pump and
• Anti Leak–Immediate leakage reduction up to 90%
Superior Water and Oil Separation– Vent and drain for uninterrupted
• Non-Foaming–Eliminate system chatter and erratic
operation, minimizing production errors
• Rust and Corrosion
• No sludge, varnish or gummy deposits
Performance–High pressure rating
• Reduced Operating Temperatures
Power Reduction of 2-6% Average
• Seal, Gasket and Component
• Superior Filter ability
High Performance Hydraulic Oils Vane, Piston or
Gear Pump Systems


Figure 10.10 shows a mechanical hydraulic servo system with automotive power steering, the sequential operation of which occurs as follows:
• The input or command signal is the turning of the steering wheel.
• This results in movement of the valve sleeve, which ports oil to the actuator (steering cylinder).
• The piston rod moves the wheels through the steering linkage.
• The valve spool is attached to the linkage, thereby moving it.
When the valve spool has moved far enough, it cuts off the oil flow through the cylinder. This stops the motion of the actuator.
It is therefore clear that mechanical feedback re-centers the valve (servo valve) in order to stop motion at the desired point which in turn is determined by the position of the steering wheel. Additional motion of the steering wheel is required to cause further motion of the output wheels.
Figure 10.9 shows a circuit in which speed control in a hydraulic circuit is accomplished using a pressure-compensated flow control valve.
The operation of the circuit is as follows:
• In the spring-centered position of the tandem four-way valve, the motor is hydraulically locked.
• When the four-way valve is actuated into the left envelope, the motor rotates in one direction. Its speed can be varied by adjusting the setting of the throttle of the flow control valve. The speed can be infinitely varied as the excess oil goes through the pressure relief valve.
• When the four-way valve is de-activated, the motor stops suddenly and gets locked.
• When the right envelope of the four-way valve is in operation, the motor rotates in the opposite direction. The pressure relief valve provides overload protection when the motor experiences an excessive torque load.
Fail-safe circuits are basically designed to prevent injury to the operator or damage to the equipment. In general they prevent any accidental fall or overloading of the equipment.
Figure 10.7 shows a fail-safe circuit in which the cylinder is prevented from falling in the event of a hydraulic line rupture.
To lower the cylinder, the pilot pressure from the blank end of the piston must pilot open the check valve at the rod end, in order to allow the oil to return to the reservoir through the DCV. This happens when the push button valve is actuated to permit pilot pressure actuation of the DCV or with direct manual operation of the DCV during pump operation. The pilot-operated DCV allows free flow in the opposite direction to retract the cylinder when this DCV returns to its spring offset mode.
Figure 10.8 is another example of a fail safe circuit in which overload protection is provided for the system components.
The direction control valve 1 is controlled by a push button three-way valve 2. When overload valve 3 is in its spring-offset mode, it drains the pilot line of valve 1. If the cylinder experiences excessive resistance during its extension stroke, the sequence valve 4 pilot-actuates overload valve 3. This drains the pilot line of valve 1, causing it to return to its spring-offset mode. If push button valve 2 is then operated, nothing will happen unless the overload valve 3 is manually shifted into its blocked port configuration. This ensures the protection of the system components against excessive pressure due to excessive cylinder load during the extension stroke.
From our earlier discussions, we have seen how a sequence valve can be used to create sequential operations in a hydraulic circuit.
The circuit depicted in Figure 10.6 contains a hydraulic system in which two sequence valves are used to control the sequence of operation of two double-acting cylinders.
When the DCV is shifted into its left envelope mode, the left cylinder extends completely and then the right cylinder extends. If the DCV is shifted into its right envelope mode, the right cylinder retracts fully followed by the left cylinder. This sequence of the cylinder operation is controlled by the sequence valves. The spring centered position of the DCV locks both the cylinders in place.
The best example of this circuit is the case of a production operation. The left cylinder should extend in order to accomplish the job of clamping a work piece with the help of a power vice jaw. The right cylinder extends to drive a spindle to drill a hole in the work piece. After the hole has been drilled, the right cylinder retracts first and then the left one. The sequence valve installed in the circuit ensures that these operations occur in a predefined fashion.
Figure 10.5 illustrates the use of a counterbalance or backpressure valve to keep a vertically mounted cylinder in upward position during pump idling.
The counterbalance valve is set to open at a pressure slightly above the pressure required to hold the piston up. This permits the cylinder to be forced downward, when pressure is applied on the top. The open center direction control valve unloads the pump. The DCV used here is a solenoid-actuated, spring-centered valve with an open center flow path configuration.
Figure 10.4 depicts a circuit used for unloading a pump using an unloading valve.
In this circuit, the unloading valve opens as the cylinder reaches the end of its extension stroke. This is because the check valve keeps the high-pressure oil in the pilot line of the unloading valve. When the DCV is shifted to retract the cylinder, the motion of the cylinder reduces the pressure in the pilot line of the unloading valve. This resets the unloading valve until the cylinder is fully retracted at the point where the unloading valve unloads the pump. It is thus seen that the unloading valve unloads the pump at the end of the extending and retracting strokes as well as in the spring-centered position of the DCV.
This circuit is designed as shown in Figure 10.2.
When the four-way valve is in its spring-centered position, the cylinder is hydraulically locked. Also the pump is loaded back to the tank at atmospheric pressure.
When the four-way valve is actuated into the flow path configuration of the left envelope, the cylinder is extended against its force load (Fload) as oil flows from port P through port A. The oil at the rod end of the cylinder is free to flow back into the reservoir through the four-way valve from port B through port T. The cylinder will not extend if the oil in the rod end is not allowed to flow back to the reservoir.
When the four-way valve is de-activated, the spring-centered envelope prevails, and the cylinder is once again hydraulically locked.
When the four-way valve is actuated in the right envelope configuration, the cylinder retracts, as oil flows from port P through port B. Oil in the blank end is allowed to flow back to the reservoir from port A through port T of the four-way valve. At the end of the stroke, there is no system demand for oil. Therefore the pump flow goes through the relief valve at its set pressure, unless the four-way valve is de-activated. In any event, the system is protected from cylinder overloads.
The check valve prevents the load from retracting the cylinder, while it is being extended using the left envelope flow path configuration.


License issued: 12/17/2009
License expires: 12/16/2059
This project proposed by Symbiotics, LLC will be located at an existing Army Corps dam on the Applegate River approximately 23 miles southwest of Medford, OR. The Applegate River lies within the Applegate subbasin and is part of the larger Rogue River Basin.
The 242-foot-high Applegate dam currently impounds the 988-acres of area forming the Applegate Lake. The dam is usef for water supply, irrigation, and recreational purposes.
The proposed 10 MW project would operate in a run-of-release mode using flows made available by the Corps in accordance with current dam operations.
FERC terminated the license for this project in October 2014 for failure to start construction.
|License Application Submitted||08-31-2004|
|Draft EA Issued||06-14-2007|
|Final EA Issued||05-02-2008|


heavy-duty centrifugal slurry pump manufacturer american quality availability technical expertise and value schurco slurry manufactures high quality heavy-duty horizontal slurry pumps vertical slurry pumps replacement pump parts and provides pump services to a wide array of markets worldwide.
for a hydrocyclone to work at peak efficiency the volume of slurry and the feed pump delivery pressure must remain constant. if the cyclone feed pump is allowed to surge the up and down pressure will cause poor separation at the point of high and low operating pressure. there is a cycle to a surging pump box that causes this pressure fluctuation.
over the last fifteen years numerical methods have been developed to enable the calculation of centrifugal slurry pump wear. the solids and slurries involved vary tremendously and with the limitations of the calculating methods total accuracy cannot be obtained. however by calibrating the results with field data the calculated data has proven to be quite useful in predicting the difference
pumping mining slurries with a peristaltic pump- peristaltic pumps - hose and tube pumps manufacturer - peristaltic pumps slurry pumps have significant process water demands : on a plant processing 75 tonnes of ore per hour and at 65% solids every time a hose pump replaces a process slurry pump it saves over 1100 million litres of water.
our pump is designed to pump slurry similar with the above condition. and our slurry pump for gold mining has good performance on wear and corrosive resistance. our slurry pump material can be high chrome rubber or ceramic to match all the required conditions.


Building a water irrigation system in Burkina Faso
Vulnerable communities in Burkina Faso are at risk. Despite the high demand, no access to a basic water source in Burkina Faso bursts the water crisis in the area. To this day, around 8 million people lack access to “at least basic” water.
- 50 volunteers needed for this cause (both online & offline).
- Locating the areas where the water demand is higher.
- Studying the ground and finding adequate spots where the water irrigation system can be installed successfully.
- Installing the water storage systems along with the water filtration systems.
- Showing the locals how the water irrigation system is used & maintained.


We design, develop and manufacture hydraulic products based on our customer’s requirements.
Here are some of the jobs we have completed:
1. Constructing hydroelectric power projects: pull-out/anchorage hydraulic jacks for roof/rock bolt testing, hydraulic cylinders and power unit for shuttering, rib bending machines of 250 Tonne capacity and more, pre-stressing hydraulic jacks, hydraulic splicing machines, hydraulic system for the concrete batch mixing plant.
2. Hydroelectric power plants: brake jack assemblies, brake jack control panels, hydrostatic lubrication units, hydraulic servo motor etc.
3. Steel plants: cylinders and power-packs for hot/cold rolling mills, blast furnace operations, coke ovens, hydro-electric actuators, hydraulic pullers and hydraulic tools for maintenance.
4. Coal mines: hydraulic system for maintenance for both underground and open cast.
5. Oil-drilling rigs: hydraulic system for maintenance.
6. Construction: hydraulic system for pile testing, heavy engineering, cement plants, ship yards, bridge construction etc.
7. Thermal power stations: hydraulic system for lifting and alignment of turbo generator.


|Part Number: ||PMPUMP75AUTO |
|Capacity: ||0.75 Horsepower |
|Weight: ||31 lbs. |
|Ships From: ||TX |
|Shipping: ||Calculate Shipping |
|Manufacturer: ||Poly-Mart |
The RainMaster MHP75A is an automatic 115V/60Hz 4-stage 3/4 HP centrifugal surface pump with all stainless steel 304 construction in the water end of the pump. The RainMaster MHP75A automatically activates when water begins to flow from user demand such as an irrigation valve opening or a hose end sprayer being operated. When water flow stops, the pump shuts off. The pump control unit also features run-dry protection with a built-in pressure gauge. These pumps are great for whole home rainwater harvesting systems, irrigation systems or well water storage systems.
Ship Notes: Box Dimensions 18”L x 9”W x 18”H


Five more hydro power stations are to be built by 2015 on the Wujiang river, which flows through Guizhou Province in southwest China.
The proposed hydro stations are Hongjiadu and Suofengying – 600MW each, Goupitan – 3000MW, Silin – 1120MW, and the 1000MW Shatuo station. Goupitan, the largest to be built on the Wujiang river, will go into operation in 2009, and construction of the Silin and Shatuo power stations are slated to begin in 2005 and 2006 respectively.
The 1037km long Wujiang river, with a fall of 2124m, has a runoff of 53.4Bm3. As one of China’s 12 major water power bases, the river has a reserve of power totalling 18.47MkW, ranking sixth in China.


TA-7629 VIE: Capacity Building for River Basin Water Resources Planning
- Gửi bởi: admin
- Thể loại: Tin Tức
2012-05-28Hanoi 28 May 2012. The consortium between AECOM Asia Co. Ltd. and GFD has been awarded project TA-7629 VIE: Capacity Building for River Basin Water Resources Planning in Vietnam.
This 2 year project aiming at i) supporting the preparation of the amended Law on Water Resources and ii) planning task for the development of water resources of the Red-Thai Binh river basin. The work under the 2nd component will address the whole river basin, sub-basins, provincial area, river segments, regional economic development areas, and main ground water areas.
The specific task of the planning task is to identify main issue, water resources functions, assess current water demands, agreed priorities and general solution needs as a basis for developing a river basin water resources plan.


A gear pump uses the meshing of gears to pump fluid by displacement. They are one of the most common types of pumps for hydraulic fluid applications.
Typical applications of this pump are the circulation of gearbox or differential oil for remote oil cooling. The model show delivers 330 l/hr @ 25°C.
It has a maximum working pressure of 2.5 bar and can handle temperatures up to 137°C.


A new discharge computational model is proposed on the basis of the integration of the velocity profile across the flow cross-section in an internally corrugated pipe flowing partially full. The model takes into account the velocity profiles in the pressurised pipe to predict the flow rate under free-surface flow conditions. The model was evaluated through new laboratory experiments as well as a literature datasets. The results show that flow depth and pipe slope may affect the model accuracy; nevertheless, a prediction error smaller than 20% is expected from the model. Experimental results reveal the influence of the pipe slope and flow depth on the friction factor and the stage-discharge curves: the friction factor may increase with pipe slope, while it reduces as flow depth increases. Hence, a notable change of pipe slope may lead to the variation of the stage-discharge curve. A part of this study deals with numerical simulation of the velocity profiles and the stage-discharge curves. Using the Reynolds-Averaged Navier-Stokes (RANS) equations, numerical solutions were obtained to simulate four experimental tests, obtaining enough accurate results as to velocity profiles and water depths. The results of the simulated flow velocity were used to estimate the flow discharge, confirming the potential of numerical techniques for the prediction of stage-discharge curves.
This is an open access article distributed under the Creative Commons Attribution License
which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited


- Conference date: 21–23 October 2009
- Location: Kuala Lumpur (Malaysia)
Experimental and numerical investigations were conducted for the internal flow of the stator of the diagonal flow fan. Corner separation near the hub surface and the suction surface of the stator blade are focused on. At low flow rate of 80% of the design flow rate, the corner separation between the suction surface and the hub surface can be found in both experimental and numerical results. Separation vortices are found in the computed oil flow on both suction and hub surfaces at 80% of the design flow rate in the three‐dimensional numerical simulation.
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deaerator be designed for a possible 15 percent increase in the pressure from that shown
on the manufacturer's heat balance.
b) Safety valve manufacturers recommend that a suitable margin be
lowest set relief valve. This prevents any undesirable operation of the relief device.
They suggest that this margin be approximately 10 percent above the maximum operating
pressure or 25 psi, whichever is greater.
c) The deaerator design pressure shall be specified with a design
pressure equal to maximum extraction pressure x 1.15 plus allowance for safety valve.
The allowance for safety valve shall equal maximum extraction pressure x 1.15 x 0.1 or
25 psi, whichever is greater. The design pressure should be rounded up to the nearest
even 10 psi.
The maximum allowable working pressure shall be assumed to be equal to
the design pressure.
d) If the deaerator design pressure is 75 psi or greater, the
deaerator shall also be designed for full vacuum (thereby eliminating the need for a
Deaerator Storage Volume. The deaerator storage volume, elevation, and boiler
Thurston's paper "Design of Suction Piping: Piping and Deaerator Storage Capacity to
Protect Feed Pumps," Journal of Engineering for Power, Volume 83, January 1961, ASME pp
69-73. The boiler feed pump NPSH is calculated using the following equation:
NPSH = (Pa + Ps - Pv) x (144/D) + hs - f
Pa = Atmospheric pressure, psia
Ps = Steam pressure in deaerator, psig
Pv = Vapor pressure of boiler feedwater at boiler feed pump
D = Density of boiler feedwater, lb/cu. ft.
hs = Static head between deaerator water level and centerline
of boiler feed pump, ft
f = Friction loss in piping from deaerator to boiler feed pump


Difference between rotor single flow water meter and rotor multi flow wet water meter
Rotor single flow meter is one of the most simple structure, smallest volume, lightest weight and lowest cost among all kinds of water meters. The requirements and functions of the main parts of the rotor single flow water meter are roughly the same as those of the rotor multi flow wet water meter. Here are some differences:
1. Watch case
Compared with multi beam water meter, single beam water meter has less gear box and impeller box, and some functions are borne by the meter case. If the inner hole on the upper part of the watch case is matched with the counter, it replaces some functions of the gear box. The water inlet and outlet hole of the watch case and the central screw hole of its inner hole replace the function of the impeller box. Therefore, the machining accuracy requirements of single flow meter case are much higher than those of multi flow meter. For example, it shall have high-precision hole diameter, roughness and tangent radius of inlet and outlet holes. The upper shoulder of the watch case and the central screw hole shall maintain a high coaxiality. Without high-precision multi station special machine tools, it is difficult to meet these requirements and achieve high production efficiency.
2. Adjusting plate
The single flow water meter has only internal mode but no external mode. Its error adjustment is achieved by changing the angle of the three adjustment plates under the counter. Its adjustment principle is similar to the up regulation plate in lxs-80 ~ 150 rotor multi beam water meter.
3. Water filtering net
The water filter screen of single flow water meter is a spherical sheet with many small holes. The water filter screen is placed at the inlet end of the watch case to block the passage of impurities in the water. However, limited by the diameter of the inlet end of the meter case, the total area of the holes of the water filter network is difficult to reach 1.5 times of the nominal diameter area of the water meter required by the design. Therefore, when the single water meter is slightly blocked by impurities in the water, under the same flow conditions, the water flow speed passing through the water filter and driving the impeller to rotate is greater than that before blocking, so as to increase the impeller speed and make the water meter faster. Therefore, single flow water meter has high requirements for water quality and flow field.
4. Lower tip
Only one stream of water in the single stream water meter drives the impeller to rotate, so when the impeller rotates at a higher speed, it always receives a thrust perpendicular to the tangent direction of the water flow, causing unilateral wear on the top. Therefore, the lower center is required to be made of wear-resistant materials.


A hemispherical tank of water (radius 10 ft) is being pumped out. Find the work done in lowering the water level from 2 feet below the top of the tank to 4 feet below the tank given that the pump is placed a) at the top of the tank and b) the pump is placed 3 feet above the top of the tank. Clearly indicate how force and distance are represented and indicate where the 0 position is on the diagram. Density of water is 62.4 pounds per cubic foot.
a) to the rim of the tank
b) 3ft above the rim of the tank
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he sizing of the pump can be obtained from the following specification.1. Flow. The need for oil.
2. The pressure being used.
3. Size electric motors. Or engine driving the pump.
Suppose to 200 bar maximum pressure cylinder size ID 100 mm. Speed of movement of the cylinder was 3 cm / sec.
A = 10 x 10 x 0.785 = 78.5 cm2.
V = 3 cm / sec.
Q = V x A = 3 cm / sec x 78.5 cm2 = 235.5 cm3 / sec = 14.13 L / min.
Rotate pump drive motor speed 1450 rpm. Therefore, pump size should be 9.7 cc / rev.


Pressure Generating Units
Poppe + Potthoff Maschinenbau supplies ready-for-connection units to increase pressure in hydraulic and pneumatic applications. The performance ability of existing systems can be expanded flexibly and efficiently in this manner.
LEVER FOR GENERATION OF PRESSURE
Core technology of the compact unit is pressure intensification. The pressure is levered from a primary to a secondary surface in a specific transmission ratio. A pressure reservoir makes it possible to modulate the pressure continuously or selectively.
- Hydraulic units and press-fit carts up to 4.000 bar
- Pressure booster to separate primary and secondary medium and to increase the hydraulic pressure up to 14,000 bar
- Compressed air amplifiers to double the air pressure without intervention into the compressor system


1. Take the water pump off.
2. Take off two the oil hoses which hook up to the pump
3. lose the two bolts
4. Take the pump off.
5 put new pump on
6.put oil hose back on and put water pump back on.
7.open or loose this cap, wait until oil coming out. Then tighten this cap.
8.make sure you can see the oil here. if not, add more oil, hydraulic #46


Excavator is the product of modern industrial development,also the construction industry indispensable equipment. Excavator hydraulic system is indeed a set of precision equipment, when it does not work, there will be a variety of problems. So how do you determine whether the hydraulic filter of the excavator needs to be maintained?
First you need to determine where is the problem?
It's a very common thing, the excavator can not be used normally, you need to check the hydraulic system of the excavator, and consider replacing the oil, cleaning or replacing the hydraulic filter or other related parts when the excavator action becomes weak.
The role of hydraulic filter:
Excavator hydraulic system is a set of sophisticated equipment, so in the operation of the equipment, we need to ensure that the hydraulic oil cleaning system. The hydraulic filter is the removal of impurities in the hydraulic oil, which is the role of the hydraulic filter in the hydraulic system.
Replace hydraulic filter:
When replacing the hydraulic filter of the excavator, it is necessary to park the engine with a hydraulic oil level on a relatively flat floor, and turn off the engine.Then dismantle the hydraulic system according to the different excavator hydraulic system structure to instead the corresponding model filter elements of excavator hydraulic filter.


To prevent floods, embankments built along Sutlej river in Bholewal Jadid village under MGNREGA
The project worth Rs 3.5 crores was completed in two monthsUpdated: Aug 28, 2020, 21:15 IST
A project worth Rs 3.5 crores to build embankments along Sutlej river in Bholewal Jadid village to prevent soil erosion has been completed in two months’ time.
District Programme Coordinator, Ludhiana had passed the project under Mahatma Gandhi National Rural Employment Guarantee Act (MGNREGA) for construction of embankments along the Sutlej river in Bholewal Jadid village as a flood control measure.
Cost of labour under this project accounted for ₹40 lakhs.
Using tangible flood mitigation methods, wire craters were designed and filled with boulders to make long-lasting embankments. These embankments diverted the flow of water avoiding soil erosion and each embankment was placed at a suitable distance to protect the banks from caving in.
The entire funding was carried out under the MGNREGA scheme under the drainage department. This project has helped around 25 villages from getting waterlogged, said Sandeep Kumar, Ludhiana additional deputy commissioner (development). The project took around two months to complete and has proved to be a boon for the surrounding villages.
“In fact, it has even helped the MGNREGA job cardholders to avail employment in the ongoing pandemic,” he said.


We supply the precision Hydraulic Valve to our esteemed clients. This device is designed to direct the flow of liquid medium like oil through the hydraulic system. There is a spool fabricated in this valve to determine the direction of the oil flow. A hydraulic system functions as per the position of the spool the value. We have made available the Hydraulic Valve in varying sizes and designs. Clients can approach us to get the complete gamut of the valve within the stipulated time frame.
Main Export Market(s) : Worldwide
Payment Terms : Online


High Pressure Air Driven Liquid Pump (BYQA-65H)
|FOB Price:||US $0.9 / Piece|
|Min. Order:||1 Piece|
|Min. Order||FOB Price|
|1 Piece||US $0.9/ Piece|
|Transport Package:||Standard Plywood Case|
|Payment Terms:||L/C, T/T, Western Union|
- Model NO.: BYQA-65H
- Type: Portable
- Structure: Piston Pump
- Applicable Working Medium: Water, Hydrulic Oil, Corrosive Liquid
- Drive Air Pressure: 3-8 Bar
- Trademark: SHINEEAST
- Origin: Jinan, China
- Pressure Medium: Corrosive Liquid (Acid etc)
- Color: Green
- Theory: Pneumatic
- Working Medium: 0-455 Bar
- Pressure Ratio: 65:1
- Specification: ISO9001
- HS Code: 8414809090
It's such a device that uses compressed air as power source and air driven liquid pump as pressure source to get the corresponding outlet pressure through regulating air drive pressure; and the ratio of outlet pressure to air drive pressure is 65:1. When air drive pressure and outlet pressure reach balance, the air driven liquid pump will stop pressurizing, and outlet pressure will be stable at the preset pressure, so it has such features: explosion-proof, output pressure adjustable, small volume, light weight, easy to operate, reliable performance, wide application range etc.
Used for pressurizing water, hydraulic oil, acid etc liquids, making low-pressure liquid to high pressure liquid, the highest can be 455 bar.
BYQA --- BYQA series air driven liquid pump
65------the pressure ratio is 65:1
H------ the pump is used for corrosive liquid
IV) System configuration:
BYQA-65H air driven liquid pump mainly includes pump body, air regulating valve, air pressure gauge, liquid inlet valve etc.
- Don't start up the pump before connecting all pipelines, to avoid damaging the pump and the persons.
- Release all the pressure of the pipelines before repairing the machine, avoiding high pressure damage.
- Ensure the system does not operate before repairing it.