Kingpai Machine Manufacturing Company supplies flange from DN15 to DN6000 mm with 150lbs to 3000 lbs. The material can be stainless steel flange ( 304, 304, 321, 316, 316L), carbon steel flange(A105, A216, WCB) and alloy flange by casting and forging craftwork according to ANSI/ ASME, UNI, API, MSS, AWWA, DIN, JIS, BS and GB for the world market. We can also make nonstandard flange( OEM )according to customer's drawing. The flange type normally is (PL)Plate-type Flat Welding Flange, (SO) Slip-on Neck Flange, (WN) Weld Neck Flange, (SW) Socket Welding Flange, (TH) Threaded Flange, (PJ/PR) Flat Welding Ring Loose Flange, (PJ/SE) Butt Welding Ring Loose Flange, Large-diameter Flange, Marine Flange, (BL)Blind Flange, Fission Flange. Please visit our site.