Designed to provide a rugged mechanical joint for grooved end stainless steel piping systems,

Style 77S coupling sizes 1" – 4"/24 – 100mm are cast of CE8MN (duplex stainless steel). Coupling

Sizes ¾"/20mm and 6" – 18"/150mm – 450mm are cast of CF8M (316 stainless steel). Style 77S

Couplings come standard with WRAS-certified, Grade "EW" EPDM gasket material with approved

Microbiological resistance .