1.EN1092-2 PN10/16 flange mounting.
2.Face-to-Face dimension conforms to ISO 5752 / BS EN558.
3.Epoxy fusion coating.
Material of main parts:
Cast ion/Ductile iron
Ductile Iron / Al Bronze / Stainless Steel
NBR / EPDM
Pressure and Temperature ratings:
PN10 / PN16 / PN25
Shell: 1.5 times rated pressure,
Seat: 1.1 times rated pressure.
-10°C to 80°C (NBR)
-10°C to 120°C (EPDM)
Water, sewage etc.
The silent check valve is mainly used for draining water and installed in the outlet of pump to prevent the damage of back flow of water hammer.