Lus piav qhia luv luv:

Tag Nrho Welded Pob Valve Specification Tsim qauv: Tsim API6D, ASME B16.34 Test API598 Cov khoom lag luam: Loj 2 "~ 48" (DN50 ~ DN1200) Kev Ntsuas 150LB ~ 1500LB Lub Cev Khoom Siv Carbon steel, Stainless hlau Trim A105 + ENP, 13Cr, F3 ib, f316