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PVL are variable displacement vane pumps equipped with mechanical compensator for outlet pressure and max displacement adgustment. these low noise pumps are available in 3 different size, have flange ports according to ISO 3019/2 and are designed to operate with anti - wear oil
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PB 32.5 fixed displacement
Displacement: 0.0027cu.in/rev
(0.045cm3 /rev)
5080PSI (350bar)
5000rpm
3 pistons
Maximum operating temperature: 392°F (200°C)
Weight: 0.66lbs (0.3kg)
Rotates either CW or CCW
Excellent suction properties
The following may be modified on request:
■ input and outlet ports,
■ mounting flange or thread,
■ drive shaft,
■ addition of a filter/screen.
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Lee Pre-Set and Variable Volume Pumps are the solution for automated chemistry systems. Designed for "install and forget" operation with outstanding features and performance.
* Standard volume ranges: 50 µl, 250 µl, 750 µl per full stroke
* Full volume dispense as fast as .3 seconds for Pre-Set Pumps, 1 second for Variable Pumps
* Low Power Consumption means less heat in the cabinet to manage
* Long Life -- Millions of cycles
* Compact -- Made small to fit inside the machine, near the chemistries
* Light Weight -- Made light to fit on moving arms, gantries, etc.
* Robust construction
* Many custom configurations possible
* 100% inspected and function tested
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PMP - Mini pumps
• Two models for connecting either one (PMP1211) or two tools (PMP1221).
• Operates one tool at a time.
• Black painted protection frame with rubber feet.
• Effective cooling during operation.
Mini pumps are the right choice when there is need for small and portable pumps for quick rescue tasks. When space is highly limited and therefore valuable, a mini pump may be the solution for your tool problem.
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Why use a variabledisplacement pump?
•precise control of all movements ;
• multi-function capabilities: simultaneous movements, all independant
of load ;
• avoid problems of fluid overheating ;
• reduce energy consumption.
Variable displacement : only advantages !
Installing a TXV variable displacement pump will transform your hydraulic equipment. Slow or rapid movements are done with precision, to the constant adjustment of pump flow rate. The TXV ranges are the result over 40 years' experience in hydraulic pumps. HYDRO LEDUC, France's leading pump manufacturer, is proud to present these high performance products.
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Type PR4-Mini:
- Sizes 0.4 to 2.0
- Radial piston pump with 3 pistons
- Very compact build, hence installation-friendly dimensions
- 5 sizes
Type PR4:
- Sizes 1.6 to 20.0
- Radial piston pump with 3, 5 or 10 pistons
- Self-aspirating, valve-controlled
- Long bearing life due to hydro-dynamically lubricated plain bearings
- Several pressure ports with various cylinder combinations possible
- Optional combination with fixed and variable displacement vane and axial piston pumps
-14 sizes, favourable gradation for optimum matching to the application at hand
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Qtwo Two Stage Pump
Powerful two stage midship split drive line pump can exceed 2000 NFPA rating and may exceed up to 2600 GPM from a sufficient water source or in relay mode.
Ideal for the following applications:
* Pumper
* Aerial
* Tanker
* Rescue Pumper
* Pumper Tanker
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Parker CK cartridge kits are used in the PFVI and PFVH series fixed displacement vane pumps for application on mobile and industrial hydraulic equipment. These cartridge kits are completely assembled and tested for quick and cost effective service of the pump in the field.
The CK**PFVH (mobile) is a 10 vane cartridge designed to meet the higher operating pressures and shaft speeds of mobile equipment and the CK**PFHI (industrial) is a 12 vane cartridge designed for use in the quieter in-plant environment. Flows from 5 to 60 GPM @ 1200 RPM with operating pressures to 3000 PSI can be achieved.
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Self-controlling vane pumps type PSV
Special features: Long service life due to hydrodynamic, spherically located friction bearings
Low tolerance between adjustment and spacer ring = minimal oil leakage
Almost constant oil leakage over the compete pressure range due to hydraulic play compensation
Technical specifications:
Installation position: Unrestricted. The pump drive shaft must not be subjected to radial loads.
Operating temperature: To prevent corrosion, the oil temperature in the tank should not exceed 55°C.
Suction: 152 mm HG
76 mm with aqueous fluids
Operating pressure: Max. 140 bar
Pressure limits: A pressure control valve should b e used with pressures in excess of 100 bar, as this would guarantee higher service life of the pump with high pressure peaks.
Direction of rotation: The SV pumps are available with clockwise and counter-clockwise rotation. The respective direction of rotation is marked by arrows located on the side of the pump housing. The direction of rotation is seen from the end of the shaft.
Pressure fluids: HLP - Mineral oil i.a.w. DIN 51525
Filtering: to ensure long service life of the pump, a return line filter with a mesh of at least 1 my is recommended. Suction filters should not be used.
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Vane pumps, fixed displacement
Types PVV, PVQ:
- Sizes 18 to 193
- Low operating noise
- Low flow pulsation
- Suitable for wide speed and viscosity ranges
- Combination of several pumps possible
- Can be combined with axial piston pumps and internal gear pumps
Vane pumps, direct operated
Type PV7...A:
- Sizes 10 to 25
- Very short control times
- Low operating noise
- Lower zero stroke power
- Mounting and connection dimensions according to VDMA 24 560/1 and ISO 3019/2
- Good efficiency
- Pump combination possible
Vane pumps, pilot operated
Type PV7:
- Sizes 14 to 150
- Variable displacement
- Low operating noise
- Pressure and flow can be controlled
- Controller actuator can optionally be locked
- Low hysteresis
- Very short control times
- Pump combination possible with standard pumps
- Mounting and connection dimensions according to VDMA 24 560/1 and ISO 3019/2
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Capacity to control minimum displacement
The DELTA pumps are designed to regulate flow from maximum flow to flow cancellation mode. However, some applications require a minimum outlet flow to be maintained, regardless of how flow is controlled from maximum to minimum.
Capacity to have a high speed rotation
The rotating speed of the DELTA pumps depends on:
• flow supplied by the pump,
• the fluid viscosity,
• the pressure at inlet point of the pump.
For applications at higher speeds than those indicated, please contact our Technical Department with details of these parameters, to enable us to advise what can be recommended.
■ Features of DELTA pumps
The DELTA pumps are equipped with a maximum displacement control.
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Our range of Variable Displacement Pumps are some of the most reliable on the hydraulic market. We offer a wide range of displacement ranges, pressure ratings, speed ratings, and types of mounting configurations to meet your needs.
Designed for power and speed, PVV open loop, axial piston hydraulic pumps by Oilgear deliver the punch that is required for large, heavy-duty systems. Utilizing advanced engineering, the PVV pump line now delivers up to 560 horsepower - four times the horsepower at approximately one-third the cost of previous models. Computer-optimized for maximum performance, PVV is compact in design and available in three displacements.
PVV pumps offer a large selection of controls that are readily interchangeable. With improved high-response controls and reduced noise levels, the rugged cylinder design of the PVV pump enhances optimal performance. The patented design of its pressure lubricated swashblock offers high performance for high-cycling operations, and contributes to the pump's ability to run on low-viscosity and other special fluids.
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The variable volume, pressure compensated design features of this pump combined with significant advancements in noise reduction make this pump a perfect match for many industrial applications.
The controls available provide for standard pressure compensation, load sensing, remote pressure control, and horsepower limiting. These control options permit the machine designer to utilize efficient pump controls that are tailored for the requirements of a hydraulic system. PVX controls are available in both single stage and two stage designs. All of the PVX controls exhibit very good response and recovery times and can incorporate a shock clipper that reduces shock pressure by up to 50%. This feature increases system component life and system stability.
The hydrodynamic journal bearing design is a feature that enhances the quiet operation of this pump, and eliminates the B-10 rating of the unit. A one piece rotor shaft contributes to this rugged design with minimized deflection when under high system loads. The rotor design allows the designer to easily configure a tandem mount rear drive option that provides the flexibility of driving multiple pumps with a common input shaft. This eliminates the need for additional prime movers, when multiple pumps are required.
Porting plates that provide proper timing for the inlet and discharge cycles of the pump, are designed for efficient and quiet operation. These pressure loaded port plates provide optimum running clearance to the rotor and contribute to high volumetric and overall efficiency.
Specifications
Mountings: SAE and ISO mounts
Capacities: 8 to 75 GPM
Operating Pressures: 200 to 3000 PSI
Recommended Fluids:
Petroleum-base, most phosphate esters, water emulsions and water glycol
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PUMP SIMPLE EFFECT HAS DOUBLE FLOW WITHOUT TANK
- Hand pump steel, compact, light, resistant.
Fixing ensured by 4 screws.
It is appropriate to supply the jacks simple effect including race and of important size.
- Important Flow for a better productivity. For a jack having a piston of Ø 50 mm = advances of 1 cm per blow of pump.
- The manual pump with two flows: automatically passes from the function advanced to the focntion work, it automatically passes from the function advanced to the focntion work.
- Equipped with a valve of limitation of pressure for safety in the event of overload.
- Decompression with wordwrap.
Characteristics:
- Pressure (in low pressure): 50 bar
- Pressure (in high pressure): 600 bar
- Flow by blow (in low pressure): 21 Cm3
- Flow by blow (in high pressure): 5 Cm3
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Mini hydraulic pumps model PAY
With compressed air driven motor 700 bar
These mini-pumps are driven by an air-powered motor and can be connected to any supply source of compressed air. These compact low-cost pumps can operate all single-acting or double-acting hydraulic cylinders up to a max. operating pressure of 700 bar.
Features
- Pedal in neutral position - motor stands still, cylinder stands, pressure is held.
- Pedal depressed - motor starts, cylinder advances, pressure is built-up.
- Pedal pushed forward - motor stands still, pressure is released, cylinder retracts.
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External gear units are classic hydraulic units and come in the form of pumps and motors. Individual pumps, multiple pumps and lownoise SILENCE versions in seven different series open up a virtually unlimited range of possible uses.
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Axial piston units are available in the form of pumps and motors in bent axis design or swashplate design for medium- and high-pressure ranges. They are the main components in the hydrostatic transmission. Compact size and high power density, economy and reliability are characteristic advantages which speak for the use of hydrostatic transmissions, together with the fact that they meet the demand for high speed and high torque, as well as optimum efficiency.
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Compact design. With integrated low-pressure switch-off valve and high-pressure pressure limiting valve. Direct installation of motor without bell housing and coupling.
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