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Check valve type RVM/RVH

  • Porting NG 4
  • Operating pressure: up to 700 bar
  • Flow rate: up to 45 l/min

Features

  • Leakage free in closed position  
  • With open or closed flow in direction of screwing-in
  • Screw-in thread G1/8 and G 1/4, G3/8 and 9/16-18 UNF

Applications

It is a spring-loaded seat valve. The check valve is used for blocking of the flow in one and low-loss flow in the other direction. The closing element is guided.

Design

  • Seated valve 
  • Cartridge type

Technical data

Hydraulic fluidmineral oil according to DIN 51524 part 1 and 2 (other fluids on request) 
Fluid temperature range-20 to 120 °C
Ambient temperature range-20 to 120 °C
Viscosity range2.8 to 800 mm2/s
Max. flowrate20 to 45 l/min
Max. operating pressure port A500 (RVM) resp. 700 bar (RVH)
Max. operating pressure port R500 (RVM) resp. 700 bar (RVH)
Max. Pressure losssee pressure loss chart
Opening pressure0,138 bar
Filtration (recommendation)According to NAS 1638, class 10 resp. ISO/DIN 4406 class 21/19/16
MaterialsValve: free-cutting steel (hardened)
Ball: bearing steel
Seat: free-cutting steel (hardened)