Pressure relief valves DV2

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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[Translate to EN:] Druckbegrenzungsventile Typ DV2
Features Advantages
Available as 2/2 or 3/2 directional poppet cardridges with solenoid actuation Poppet tight (bidirectional)
Directly operated High operational safety and relieble 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

Features

  • Direct operated valve
  • High degree of pressure stability
  • Safe operation
  • Precise pressure adjustment
  • Maximum pressure setting with lock nut

Applications

  • as cartridge  
  • as modular valve with one or two cartridges

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
Max. operating pressure port P see product information
Max. operating pressure port T see product information
Max. flow rate see product information
Filtration (recommendation) according to NAS 1638, class 6 resp. ISO/DIN 4406, class 17/15/12
Weight see dimension drawings
Material valve body: galvanized steel (black chromated)
cartridge: galvanized steel