Cast iron wafer type dual plate check valve spring type, back pressure check valve


Name:Cast iron wafer type dual plate check valve spring type, back pressure check valve
Design confirms:DIN3356
Flanges drilled confirms:DIN2501/EN1092-2 PN10/16/25
Tightness check:API 598/ISO 5208/EN12226-1
Face-to-face conform:DIN3202,F6/EN558-1 series 48
Normal pressure:1.6MPa
Shell test pressure:2.4Mpa
Seal test prressure:1.76Mpa
Suitable medium:water and neutral liquid
Working temperature:-20 to 120 centigrade. (EPDM: -20 to 120, NBR: -10 to 80)
Body/Bonnet/Disc:CAST IRON/DUCTILE IRON
Seat:EPDM/NBR
Stem:Zinc Plated Steel/ Stainless Steel/ 2Cr13 stainless steel etc.
Gland follower:CAST IRON/DUCTILE IRON

  • Cast iron wafer type dual plate check valve spring type, back pressure check valve