DESIGN STANDARDS Ductile Iron Body and Bonnet / GGG 40 ( EN GJS400) Wedge of ductile iron fully rubberized with vulcanized EPDM Stainless steel stern Internal thread both ends ISO 228 EPDM sealing ring and O-Ring Both inside and outside valve surfaces are coated with epoxy powder Available from 1/2" to 2" Smooth waterway %100 Leak-Tight closure      Quick Menu