Idustrial Water Worm Gear Operated Flanged Butterfly Valve

Product standardStandard of design and manufacture:GB/T12238  BS5155  API609Flange connection standard:GB/T17241.6  EN1092-2  Top flange standard:ISO5211Structural length standard:GB/T12221,BS EN558Test standard:GB/T13927  BS EN12266-1  API598technical parameterinside nominal diameter : DN50 ~ DN600Nominal pressure : PN16working temperature : -5ºC--85ºCPressure  Testing :-Shell : PN*1.5-Seal : PN*1.1Applicable medium : water1- Body: Ductile Iron GGG40/50 or Cast Iron GG25 or CF8/CF8M or WCB2- Spindle: SS420/SS431/SS4163- Disc: Ductile Iron, Cast Iron. SS304 (CF8) Stainless steel4- Seat: EPDM or PTFE5- Pin: Stainless Steel6- Epoxy Resin coating internal & external, thickness above 250 micron7- Connection: Wafer type, lug type, flange type8- Work pressure: PN10/16; Size Range: 2" to 72 "9- Design Standard: DIN, EN558-1, API609; Top flange: ISO 5211;10- Operate: Handwheel or Worm GeaContact us/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1