CHECK VALVE JIS 20K Body : Ductile Iron (FCD-S), Union Bonnet, Threaded ends to JIS B 0203, Lift Type Disc - 120 °C Static Water……….400 PSI - 220 °C Steam, Air, Gas, Oil……….350 PSI - 300 °C Steam, Air, Gas, Oil……….330 PSI - 350 °C Steam, Air, Gas, Oil……….290 PSI
