① type: butt welding flange, including flat welding flange, sliding sleeve, loose flange, and grooved surface flange, blind flange/flange cover, loose tube with neck flange;
② size: 1/2 "~ 60" (DN15 ~ DN1500); Class pressure: 150 lb to 2500 lb.
③material: carbon steel, 20 #, 16 mn, ASTM A105, A350LF2, A350LF3; Stainless steel, ASTM A182 F304 F304L, F304/304 l, F316, F316L, F316/316 l, F317L, F321, F321H, F347, F347H;