Cartridge directional poppet valve WS700

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 up to 700 bar
Max. flow rate 25 l/Min
Porting NG 6 Cartridge

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Features Advantages
Available as 2/2 or 3/2 directional poppet cardridges with solenoid actuation Poppet tight (bidirectional)
Directly operated High operational safety and reliable switching
Hidden manual override High duty cycles and long lifetime
360° turnable and exchangeable plug-in coil High corrosion resistance
Patented valve design Replacement of coils without opening of the pressure tight spaces
Pressure compensated design of hardened and specially grinded valve cones All connections can be loaded to the maximum operating pressure

Applications

  • 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

Design

  • 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

Technical Data

Hydraulic fluid Mineral oil according to DIN 51524 (other fluids on request)
Fluid temperature range – 20 to 80 °C
Ambient temperature range – 30 to 50 °C
Viscosity range 5 bis 400 mm²/s
Porting NG 6
Max. operating pressure 700 bar
Max. flow rate 25 l/min (see technical data sheet)
Filtration (recommendation) according to NAS 1638, class 6 resp. ISO/DIN 4406 class 17/15/12
Duty cycle ED 100 %
Solenoid voltage (nominal power) 24 VDC (26,7 W)
Voltage tolerance +/– 10 %
Switching time see technical data sheet
Degree of protection IP 65 according to EN 60529/DIN 40050 (or according to coil choice)
Service life B10: 1 million according to ISO 19973
Weight with solenoid coil: 3/2 = 400g, 2/2 = 380g
without solenoid coil: 3/2 = 170g, 2/2 = 150 g
Material/ surface finish solenoid coil: ZnNi-plated (1000 h salt spray test)