Keystone Valve Keystone butterfly valve keystone蝶閥keystone膠圈keystone膠套 keystone閥門使用于各個行業。有keystone EPDM食品級蝶閥 keystone NBR食品級蝶閥 keystone船用蝶閥 keystone石油蝶閥。keystone蝶閥 keystone耐油蝶閥 keystone閥門 keystone氣動執行器 keystone閥座 keystone密封圈 keystone膠圈 KEYSTONE耐油閥座 keystone EPDM閥座 keystone NBR閥座等產品都有現貨。

　　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