Standard:JIS,DIN,EN10312 Material:304/316 stainless steel O Ring:EPDM,HNBR,CIIR,FPM Advantage: easy to install, healthy an • Process: 1/2"-20" : Cold Extrusion Forming 22" -48" : Hot Extrusion Forming• Size: Seamless Type: 1/2"-20" Weleded Type: 1/2"-48" • Standards: SH3408, SH3409, ASME/ANSI B16. 9, B16. 28, ASTM A403, MSS SP-43, DIN 2605, DIN2609, DIN2615, DIN2616, JIS B2311, JIS B2312, JIS ...