Double Disc Duo Plate Check Valve

Wafer dual plate check valve is used for pure pipeline, industry, environmental protection, water treatment, high-rise building water supply and drainage pipeline to prevent reverse flow of medium. The check valve adopts wafer type connection, butterfly plate is two semicircular. The sealing surface can be body welding wear resistant material or rubber lining.

Features:

• Double butterfly disc, duo plate

• Connection : wafer, lug, double flange, clamp

• Metal to metal sealing or soft rubber sealing

• Body material : cast steel, stainless steel, alloy steel, bronze, ductile iron

• Pressure range : Class 150 to Class 2500

• Size range : DN50 to DN1200

Material List:

Part Name Material
Body GGG50, WCB, CF8, CF8M, CF3, CF3M, C95800, 904L
Disc GGG50, WCB, CF8, CF8M, CF3, CF3M, C95800, 904L
Seal ring SS304, SS316, Bronze, EPDM, NBR,PTFE
Spring F304, F316, Inconel X750
Stem F6a, F304, F316, Inconel X750

 

Applications:

Pipeline of water treatment, oil and gas industry, chemical and paper industry.