| Flange | 1/2"~60"/ 15~1500 | 150#, 300#, 600#, 900#, 1500# & 2500# | A105, A350 LF2 | Flat Face Flange (FF); Raised Face Flange (RF); Groove Flange (GF); Male Flange (M); Ring type Joints Face (RTJ) | Blind Flanges; Lap Joint Flanges; Socket Welding Flanges(SW); Slip-On Flanges;Threaded Flanges; Welding neck Flanges; | Used in Electrical power, petroleum, natural gas, chemical, shipbuilding, heating, papermaking, metallurgy |