Valves that prevent backflow are recommended after traps discharging into closed systems to guarantee non return or no reverse flow. These check valves are equipped to to be mounted between pipe flanges in any direction. Dcvs feature a compact and Durable stainless steel design and are compatible with any process liquid & gas, Apart from steam. Disc check valves are intended to be sandwiched between flanges i. E. Wafer type. They are suitable suitable for deployment on a extensive selection of fluids suitable for hot water systems, Steam and use in, Condensate systems process lines etc. Face, To, Face dimensions conform to en 558 part 2, Series 52