Pressure relief valves DVM

Operating pressure up to 700 bar
Max. flow rate 30/Min
Porting NG 4 according to Bieri standard

Features Advantages
Poppet valve Excellent stability over the entire volume flow range
Directly operated Low hysteresis and precise pressure control
External surfaces galvanised Low pressure drop due to CFD optimised flow geometry
Cartridge and block design Adjustable over the entire pressure range
  Minimal wear and long service life due to hardened and ground valve components


Technical data

Hydraulic fluid mineral oil according to DIN 51524 (other fluids on request)
Fluid temperature range -20 to 120 °C
Ambient temperature range -20 to 120 °C
Viscosity range 7.4 to 420 mm²/s
Porting NG 4 according to Bieri
Max. operating pressure port 1 700 bar
Max. operating pressure port 2 100 bar
Pressure setting range port 1 70 to 700 bar
Max. flow rate 30 l/min
Filtration (recommendation) according to NAS 1638, ISO/DIN 4406 class 21/19/16
Weight See standard design
Material/surface treatment Cartridge body: high tensile steel
Cone: hardened steel
Supporting ring: PTFE