Txuj: ASTM A182, ASTM SA182 Qhov Loj: ASME 16.11 Loj: 1/4 "NB-4" NB Chav Kawm: 2000LBS, 3000LBS, 6000LBS, 9000LBS Daim ntawv: Txo Hla Hla, Tsis sib xws Hla, Sib npaug Hla, Forged Hla Hom: Socketweld Fittings & Screwed-Threaded NPT, BSP, BSPT Fittings