Dual disc wafer butterfly check valve
Used for preventing the back-going of medium in pipelines and equipment, and the pressure of medium will bring the result of opening and closing automatically. When the medium is back-going, valve disc will automatically closed to avoid accidents
Size: DN50-DN900 or 2"-36"
Pressure: PN16-PN250 or 150LB-2500LB
Body: Ductile Iron, Cast Iron, Stainless Steel
Disc: Ductile Iron, Carbon Steel, Stainless Steel
Seat: EPDM, VITON, NBR
Medium: Fresh Water, Sewage, Sea Water, Air, Vapour, Acid and Alkalis
Excellent seal, without leakage under the medium pressure.
Economical, light weight and compact construction
Easy to install and maintain
Flange standard: meeting single or multiple standards including DIN PN 10/16, ANSI or JIS standard