Dual plate check valve

Key Attributes.

Dharmi Dual Plate, Wafer Check Valve has One Piece stronger Body configuration provides reduced weight and size compare to a swing check valve or lift check valve. This results savings in Initial cost, space and pipe support element installation. Dharmi The Dual Plate, Wafer Check Valve employs two-spring-loaded plates hinged on a central hinge pin. When the flow decreases, the plates close by the action of torsion spring before flow reversal takes place. All features put together make the Dual Plate Check Valve as the most efficient & versatile design. It is also referred to as SILENT CHECK VALVE It is much easier to install between standard gaskets and line flanges, and therefore is more cost effective to install and to maintain. Its design complies with API 594 and API 6D, testing with API 598. Material of Construction: Body ¤ Cast Iron to ASTM A 126 Class B ¤ Cast Iron to IS 210 GR. FG 200 / 220 / 260 ¤ Ductile Iron / S.G. Iron ¤ Cast Carbon Steel to ASTM A 216 GR. WCB ¤ Stainles