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
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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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- Direct operated valve
- High degree of pressure stability
- Safe operation
- Precise pressure adjustment
- Maximum pressure setting with lock nut
- as cartridge
- as modular valve with one or two cartridges
Hydraulic fluid
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Mineral oil according to DIN 51524 (other fluids on request)
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Fluid temperature range
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– 20 to 80°C
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Ambient temperature range
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– 30 to 50°C
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Viscosity range
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5 bis 400 mm2/s
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Max. operating pressure port P
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see product information
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Max. operating pressure port T
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see product information
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Max. flow rate
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see product information
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Filtration (recommendation)
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according to NAS 1638, class 6 resp. ISO/DIN 4406, class 17/15/12
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Weight
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see dimension drawings
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Material
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valve body: galvanized steel (black chromated)
cartridge: galvanized steel
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