① Type類型 對焊法蘭（Weld neck flange,）平焊法蘭（ Sip-on flange）, 松套法蘭（Lap joint flange）, 槽榫面法蘭（Tongue and groove face flange）, 盲板法蘭/法蘭蓋（ Blind flange）, 承插焊法蘭（Socket welding flange）, , 異徑法蘭（Reducing flange）, 螺紋法蘭（Threaded flange） Loose hubbed flange, Welding plate flange, Orifice flangeetc. ②尺寸Dimension 壓力磅級Pressure Rate 1/2”~60” (DN15~DN1500) 150Lb~2500Lb ③材質Material 碳鋼 ASTM A105, 20#，16Mn 低溫鋼： A350LF2, A350LF3; 不銹鋼：ASTM A182 F304, F304L, F304/304L, F316, F316L, F316/316L, F317L, F321, F321H, F347, F347H; 合金鋼：ASTM A182F5, F11, F22, F91, F51 管線鋼：ASTM A694 F42, F46, F48, F50, F52, F50, F60, F65, F70 雙相鋼&鎳基合金鋼：Monel, Duplex S.S, Al-Alloy, Inconel, 904L ④ 標準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