SpecificationsPressure pmax = 500 bar Flow Qmax = 100 lpmFeatures and BenefitsHAWE RHV valves are check valves employed to block (zero leakage) spool valve controlled hydraulic cylinders and/or to prevent decompression shocks (pressure surges), in particular when relieving large volumes at high pressures.RHV valves have hydraulic release with pre-relieving feature.