republic of malawi F1503 Series Flexible Check Valve

Design Standard:AWWA C508 Testing Standard:AWWA C508 Sizes:2"-12" Pressure Rating:250 PSI Face-to-face Dimensions:ANSI B16.10 Connecting Ends:Double FF Flanges, Drilled To ANSI B16.5

Product Description

■  Design Features

Heavy design, body and cover are able to withstand hydro testing at twice norminal pressure
Reliable Low-Pressure Sealing Performance
45° golden passageway to reduice the headloss
Plugs on both body and cover
Body and cover both are internal & external coated with  epoxy resin powder
Disc metal core fully covered with rubber, metal core free from medium
Body and cover both have standard convex for functional expansion
 

■  Materials

Parts Materials
Body Ductile Iron:GGG50,With Internal & External Epoxy Coating, ASTM A351 CF8M
Cover Ductile Iron:GGG50,With Internal & External Epoxy Coating, ASTM A351 CF8M
Disc Metal core covered with rubber Buna, EPDM or VITON, special rubber Upon To Request
Cover Gasket NBR,  EPDM or VITON
Plug ASTM A351 CF8, CF8M