Stainless steel groove fitting Standard:JIS,DIN,EN10312 Material:304/316 stainless steel O Ring:EPDM,HNBR,CIIR,FPM Description: stainless steel groove fittingMain material: 304 stainless steel Nominal.dia:65--200O.D: 76.1mm--219mmHow to use: groove and pressAdvantage:can be used for high pressure water system;and very convenient. Stainless Steel Groove Fitting