... AD2000-W0 certificate 3)ASTM A105 ,RST37.2,S235 JR G2 All the products mainly export to European Market ,north America ... F304L, F316,F316L,F321 ,ASTM A350 ,ASTM A181, S235 JR G2, 20#, 20Mn ,16Mn, CH2.8, C22.83)Rating : ANSI 150LBS ... 5K - 30K HG PN0.25 - PN25 PN2.0 - PN42.04)Specification: from 1/2" to 80" (DN15 to DN20005)Special designavailable ...