Cast Iron/Steel Flange Gate Valve

GOST Cast Steel Gate Valves (Z40) Standard specificastion: Design standard: GOST Face to Face: GOST Flange Ends: GOST Welding connection: GB/T 12224 Test & Inspection: ISO5208 Pressure and temp: GB/T 12224   Main parts materials: Body: WCB+13Cr, CF8, CF8M, CF3, CF3M, LCC+STL Disc: WCB+13Cr, CF8, CF8M, CF3, CF3M, LCC+STL Stem: 2Cr13, F304, F316, F304L, F316L, F304 Bolt: 45#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 35CrMoA Nut: 35#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 45# Gasket: SS+Flexible Graphite Bonnet: WCB+13Cr, CF8, CF8M, CF3, CF3M, LCC Packing: Graphite Bolt: 45#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 35CrMoA Nut: 35#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 45# Bearing: Bearing steel Stem nut: ZQAL9-4 Bearing Cover: 25# Packing Cover: WCB, CF8, CF8M, CF3, CF3M, LCC Pin: 2Cr13, 304 Bolt: 45#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 45# Nut: 35#, OCr18Ni9, OCr18Ni9, OCr18Ni9, OCr18Ni9, 35# Yoke: WCB, CF8 Oil cup: Bronze Flat key: 35# Handwheel: GGG40 Lock nut: 25#   9BonnetEN-GJL-25012Stem SealingEPDM O Ring13Stuffing NutBrass21Dust GuardEPDM/NBR Main DimensionsSizeLDD1D2bn-dHWW.TDN4014015011088164-182601308.6DN50150165125102184-1826513010.9DN65170185145122184-1829313014.2DN80180200160138208-1831815020.3DN100190220180158208-1834918522.8DN125200250210188208-1841618533.9DN150210285240212228-2245619542DN200230340295268248-2253722563.4DN2502503953503202612-2265924591.8DN3002704454003702612-22718285138.6  DN(mm)Nominal DiameterLHmaxDD1N-Φd 1.0/1.6MPa2.5MPa1.0MPa1.6MPa2.5MPa1.0MPa1.6MPa2.5MPa401165 1451104-185021783801601254-186521904251801454-188-188032033831951604-184-188-1810042294212152301801908-188-2312552545502452702102208-188-2515092675272853002402508-238-2520082929093353602953108-2312-2312-252501033071539040542535035537012-2312-2512-303001235679144046048540041043012-2312-2516-3035014381959500520/460470/16-2316-25/400164061175565580/515525/16-2516-30/450184321195615640/565585/20-2520-30/500204571216670715/620650/20-2520-34/600245081371780840/725770/20-3020-41/700286101550895910/840840/24-3024-41/80032660175010151025/950950/24-3424-41/9003671119501115  1050  28-34  10004081121701230  1160  38-38    /* 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