Pilot operated check valves ERVM

Operating pressure up to 700 bar
Max. flow rate 25 l/Min
Porting NG 4

Features/Design Advantages
Seated valve Leakage free in closed position
Cartridge and in manifold Compact design
External surface corrosion-free Operating pressure supported closing


Technical data

Hydraulic fluid Mineral oil according to DIN 51524 (other fluids on request)
Fluid temperature range -20 to 80 °C
Ambient temperature range -20 to 80 °C
Viscosity range 5 to 400 mm²/s
Porting NG 4
Max. operating pressure port A/P 700 bar
Unlock pilot pressure port X see technical data sheet
Max. flow rate 25 l/min
Pressure loss at 12 l/min: 12 bar
at 25 l/min: 30 bar
Cracking pressure (P - A) 5 bar
Filtration (recommendation) According to NAS 1638, class 6 resp. class 17/15/12 ISO/DIN 4406
Weight 0,055 kg (cartridge)
Material/surface treatment Cartridge body: high tenisile corrosion-free steel
Cone: hardened steel