Steel check valve Features: 1) The check valves supplied are mainly used for preventing the water mand steam medium from flowing backward 2) Material: A) Valve body and bonnet: Ductile iron ASTM-A-536, GGG500-7 B) Disc: Grey iron/ bronze, grey iron or grey iron/ rubber 3) Size: 50 - 400mm/ 2" - 16" 4) Pressure grade A) 250 PSI B) PN10 C) PN16 5) Coating A) Fusion-bonded epoxy 200-250 microns inside and outside. B) Coating as per customers' requirement 6) Package: Cartons and wooden cases.
