Pressure reducing valves type DMM
BIERI cartridge directional poppet valve WS700 are compact, highly reliable and designed for high duty cycles and a long lifetime. The patented valve design is space saving and ready to use in tight installation conditions.
Operating pressure
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up to 700 bar
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Max. flow rate
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25 l/Min
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Porting
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NG 6 Cartridge
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Features
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Advantages
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Available as 2/2 or 3/2 directional poppet cardridges with solenoid actuation
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Poppet tight (bidirectional)
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Directly operated
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High operational safety and relieble switching
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Hidden manual override
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High duty cycles and long lifetime
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360° turnable and exchangeable plug-in coil
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High corrosion resistance
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Patented valve design
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Replacement of coils without opening of the pressure tight spaces
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Pressure compensated design of hardened and specially grinded valve cones
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All connections can be loaded to the maximum operating pressure
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- Portable power units
- Control of cylinders as superior and space saving alternatives
to spool valves which require additional leakage free shutoff valves - Forming technology - clamping
- Presses, test benches and systems
- Lifting and transport systems
- Hydraulic tools
- Accumulator charching systems
- Seat-tight pilot control of passive and/or active logic valves
- Pressure compensated design of hardened and specially grinded valve cones
- Available as 2/2 or 3/2 directional poppet valve cartridges with solenoid actuation
- Strong return springs
- 360° turnable and exchangeable plug-in-coil
Hydraulic fluid
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mineral oil according to DIN 51524 T1+T2 (other fluids on request)
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Fluid temperature range
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-20 to 120 °C
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Ambient temperature range
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-20 to 120 °C
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Viscosity range
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10 to 420 mm²/s
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Porting
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NG 4 according to Bieri standard
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Max. operating pressure connection P, A
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700/450 bar
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Pressure setting connection A
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50 - 450 bar
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Pressure setting range of the optional pressure protection
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50 - 500 bar
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Max. flow rate
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30 l/min
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Filtration (recommendation)
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according to NAS 1638 class 6 resp. ISO/DIN 4406 17/15/12
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Weight
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see technical data sheet
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Materials
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valve body: stainless steel
cartridge body: high tensile steel
cone: hardened steel
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