① Type类型 对焊法兰(Weld neck flange,)平焊法兰( Sip-on flange), 松套法兰(Lap joint flange), 槽榫面法兰(Tongue and groove face flange), 盲板法兰/法兰盖( Blind flange), 承插焊法兰(Socket welding flange), , 异径法兰(Reducing flange), 螺纹法兰(Threaded flange) Loose hubbed flange, Welding plate flange, Orifice flangeetc. ②尺寸Dimension 压力磅级Pressure Rate1/2”~60” (DN15~DN1500) 150Lb~2500Lb ③材质Material碳钢 ASTM A105, 20#,16Mn低温钢: A350LF2, A350LF3;不锈钢:ASTM A182 F304, F304L, F304/304L, F316, F316L, F316/316L, F31 |