By Pass Check Valve

Seat type modular are meant for bypassing Reducing valves, Pressure control valves. Free flow is either from port A to B or from port B to A depending upon the model and leak-free closure in opposite direction. Interface conforming to ISO 5781, DIN 24340 or IS 10187 with four cracking pressures : 0.5, 1.5, 3  and 5 bar