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 Rate 1/2”~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, F317L, F321, F321H, F347, F347H; 合金钢:ASTM A182F5, F11, F22, F91, F51 管线钢:ASTM A694 F42, F46, F48, F50, F52, F50, F60, F65, F70 双相钢&镍基合金钢:Monel, Duplex S.S, Al-Alloy, Inconel, 904L ④ 标准Manufacture Standard ASME/ANSI B16.5,ASME/ANSI B16.47A/B, ASME/ANSI B16.36, MSS SP-44, JIS B2220~2001, DIN2527/2636/2637/2638/2566/2576/2632/2633/2635/2642/2653/2656/2655, EN1092-1, JP17S-15, JP17S-43, API605,API 7S-15, API 7S-43, BS1560-3.1, BS 4504-3.1