Hydraulic components are used throughout the world and the the widest variety of application areas. We focus ourselves on high specifications, high pressure, non standard applications. An effective partnership with our experienced manufacturers network will guarantee satisfaction of your technical specifications. We proudly serve the oil an gas, offshore, defense, oceanography, and automotive industries.
"When space is a constraint...When pressure is building up... When standard components are not good enough..." . We offer a range of micro-hydraulic components to address issues beyond standard mechanical options. Micro hydraulics allow you to achieve the highest power density in the smallest possible space. Packages to suit the most diverse requirements can be developed.
Power Systems Division stands up to any pressure
Our diverse range of products includes hydraulic components for the widest variety of demands and applications. Reliability and quality are no options.
Range of products
Axial and radial piston pumps, valves, pressure switches, level switches and control blocks are just as much a part of the program as are complete drive assemblies and control systems. |
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| Standard Components |
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| Pumps |
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Axial piston pumps - up to 500 bar up to 0,35 cm³/rev |
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High overall efficiency at very low speed. Low noise. High speed range. Above-average lifetime. Optimal price / performance ratio. Continuous self lubrication and cooling through the inflow.
Particularly suitable for use where low flow rates and extreme speeds require a high overall efficiency. |
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Radial piston pumps |
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3, 5 and 7 piston versions
Self priming, self venting
Valve controlled
High volumetric efficiency
Working pressure up to 1000 bar
Displacement 0.47 - 6.33 cm 3 /rev.
Speed range 500 - 2000 rpm |
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Combination pumps |
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Combination of BRK pump with gear pump
Outstanding energay to power ratio
Fixed displacement
Any installation position possible
Low working pressure up to 250 bar
Low pressure displacement up to
63.1 cm 3 /rev.
Max. speed 2000 rpm |
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Combination pumps |
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2- and 3- piston high-pressure pumps
Suction and pressure side valve controlled
High-pressure relief valve
Max. working pressure LP 100 bar
Displacement LP 4.5 - 16.7 cm 3 /rev.
Max. working pressure HP 700 bar
Displacement HP 0.5 - 2.7 cm 3 /rev. |
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Combination pumps |
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1- and 2- piston high-pressure pump
Suction and pressure side valve controlled
High-pressure relief valve
Max. working pressure LP 60 bar
Displacement LP 1,11 - 2,65 cm3/rev.
Max. working pressure HP 700 bar
Displacement HP 0,17 - 0,24 cm3/rev. |
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| Valves |
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Seated valves |
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Positive overlap
100% duty cycle
Dry DC-solenoid 4 x 90° mounting position
Solenoid or manual operated |
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Pressure valves |
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As screw-in cartridges or intermediate plate valves
Excellent pressure adjustement over the entire operating range
Pressure relief valves
Unloading valves
Presure reducing valves
Proportional pressure relief valves
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Shut-off valves |
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Non return valves
Shut-off valves
Check valves |
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Flow valves |
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Flow control valves
Load holding and lowering valves
Orifice plates
Throttle valves |
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| Accessories |
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Pressure switch |
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Pressure switchws with one change-over switch
Degree of protection IP 64
Switching hysteresis of the scale end value 5 - 10%
Repeat accuracy of the scale value 1%
7 Pressure ranges (60 - 1000 bar)
Minimal dimensions
Turnable under full pressure around 360°
Pressure switches with two change-over switches
Degree of protection IP 54
Switching hysteresis of the scale end value 2 - 10%
Repeat accuracy of the scale value 1%
7 Pressure ranges (70 - 1000 bar)
Suitable for panel mounting
Provided with two change-over switches
Indication of actual pressure and pressure settings |
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Oil level switches |
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Minimal dimensions
Lenth up to 1200 mm
Removable without disassembling of reservoir cover
Various types available with 1 or 2 level contacts and additional temerature swicht
Temperature contact up to 90° C |
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Subplates and stacking plates, accessories |
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| Tailor made solutions |
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Individually for you
PAI Power Systems Division partners and development specialists turn all customer requirements into practice. With more than 20years of experience and the know how in hydraulics combined with power of innovation, PAI Power Systems offers solutions to customer requests - as complex they may be.The 3D CAD technology, work shops for prototypes equipped with modern machineries are guarantors for the realisation of the high placed goals. Modern production machines ensure a cost optimised manufacturing of all tailor made products. We tailor made solutions - individually for you. |
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Micro Hydraulic Power pack |
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Type: Radial piston pump
Operating presssure: HP 10000 psi - LP 870 psi
Displacement: HP 0.003 - LP 0.003
Speed: 1200 rpm
Diameter: 1.95 in
Temperature: -30° F > 180° F |
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Oil exploration |
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Type: Axial Piston pump
Max pressure: 12500 psi
Speed: 6000 rpm
OD: 1.7 in
Temperature: up to 500° F
Volumetric efficiency @ 10000 psi: 92 % |
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Military use |
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Type: Axial Piston Pump
Operating pressure: 7500 psi
Displacement: 0.007 cu.in
Viscosity:850 Cst
Temperature: up to -25.6° F
Speed range: up to 5000 rpm
Diameter: 2.55 in
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