Keystone Valve Keystone butterfly valve keystone蝶阀keystone胶圈keystone胶套 keystone阀门使用于各个行业。有keystone EPDM食品级蝶阀 keystone NBR食品级蝶阀 keystone船用蝶阀 keystone石油蝶阀。keystone蝶阀 keystone耐油蝶阀 keystone阀门 keystone气动执行器 keystone阀座 keystone密封圈 keystone胶圈 KEYSTONE耐油阀座 keystone EPDM阀座 keystone NBR阀座等产品都有现货。

　　SizeRange:50-300mm

　　FigureNo.AR1-Waferstyleresilientseatedbi-directionalButterflyvalve.

　　AR2-Luggedstyleresilientseatedbi-directionalButterflyvalve.

　　TrimCode

　　FigureNo.NumericAlphaBodyDiscShaftSeatBearingPackingTorquePlug AR1/AR2723CEE3CastIron316S/S316S/SBuna-NSinteredBuna-N316S/S

　　AR1/AR2805CEE2CastIron316S/S316S/SEPDMSinteredBuna-N316S/S

　　K-LOK,specifythevalvesize,thevalvefigure

　　number(listedontheright)andthespecificapplicationtrim

　　code.Themostcommoncodes,togetherwiththematerialsof

　　construction,arelistedbelow.(Example:10-inchF360-104)

　　FigureValve

　　F360ANSIClass150,Wafer

　　F362ANSIClass150,Full-lug

　　F370ANSIClass300,Wafer

　　F372ANSIClass300,Full-lug316SS17-4PHSSRTFE/polyesterRTFE/fiberglassepoxyPTFE