In applications where the hydraulic actuator can suffer shocks or other accidental events with consequent sudden pressure peaks, the VBDC shockproof valves limit the damage to the actuator itself and to the hydraulic system. A typical application of these valves is on the extensions of a telescopic cylinder or on hydraulic motors that govern rotating parts. Depending on the size chosen, the VBDC valves can work with flow rates up to 40 lpm (10.6 gpm) and operating pressures up to 350 bar (5075 PSI). The BSPP-GAS threaded ports make it possible to install them in line. The body and other external components are made of steel and protected from corrosion by galvanizing.