Surge Anticipator Valve: Design Standards: CJ/T219, EN1074-5, BS EN1567 Test Standard: ISO5208, EN12266-1 Connection: EN558-1, ISO5752 Flange Drilling: EN1092-2, ISO7005-2, ANSI,JIS,AS2129 Body and Cover: Ductile Iron,Cast Stainless Steel,Bronze Size: DN50 to DN600 Disc Retainer and Diaphragm Washer: Ductile Iron,Stainless Steel,Bronze Trim, Disc, Guide and Seat: Stainless Steel,Bronze Seal: NBR, EPDM, HNBR Diaphragm: Nylon Reinforced EPDM […]