... :2000 Size:DN15-DN5000 Process:free forgingDie F OEM forged auto valve parts1.Material a)carbon steel SA234 WPB, SA234 WPC ... 304,304L ,316, 316L, WP304L, 3 WP316 WP347 (H) ,WP317 (L),WP321.DIN 1.4301, 1.4306, 1.4401, 1.4571 ... cutting6.Typea)Flat, Slip on, Blind, Welding Neck, Threaded, Lapped Socket welding etc b)Orifice, c) Figure & Blind, Swivel,long welding ...