Including plate flat welding flange welding flange, with neck flat welding flanges. Plate flat welding flange (PL) Schematic plate flat welding flange welded flange for nominal pressure of not more than 2.5MPa of pipe connections. Welded flange sealing surface can be made smooth style weld neck flange mounds production, lenticular and tenon slot three. smooth application of welded flange largest multi-media for under relatively mild conditions of the case, such as low-voltage non-purify compressed air, low pressure circulating water. Flange Standard: HG20592-2009 (PN series) \ HG20615-2009 (Calss series) cover flange (BL) flange cover, also known as the blind flange, the middle hole of the flange, sealed pipes for blocking head with. Species form large sealing surface, with flat, convex, concave and convex surfaces, tongue and groove, ring joint face. Sealing surface: flat (FF), raised face (RF), convex surface (MFM), tongue and groove (TG), ring joint face (RJ) production materials: carbon (Carbon Steel): ASTM A105 weld neck Act Lan, 20 #, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2 Hebei production weld neck flange, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56 for sale cheap with a neck welding flange, F60, F65, F70; stainless steel (Stainess Steel): ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti ,321,18-8; alloy (Alloy Steel): ASTM A182 F1, F5a, F9 , F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8 / Ⅲ. Weld neck flange, Hebei Cathay Pacific, weld neck flanges provided mounds produced by Hebei Cathay. Cathay Pacific Pipeline Equipment Co., Ltd. Hebei (www.hbgtgd.com) in the elbows, flanges, tees, reducers, crosses, the socket, forgings, threaded pipe fittings and other products and other industries have a higher visibility, integrity management, both quality service, welcome to inquire, or consult our "Business League call" it!