适合法兰：国标或EN1092PN16/PN25/PN40尺寸范围：1/2”至4”压力范围：PN16-PN40阀体材质：不锈钢SS304、不锈钢SS316阀球材质：不锈钢SS304、不锈钢SS316阀座材质：强化PTFEFlangeaccomodation:EN1092PN16/PN25/PN40SizeRange:1/2”to4”PressureRating:PN16-PN40Connectingscrew:NPT,BSPTBody:SS304，SS316Ball:SS304，SS316Seat:RPTFE)