ASTM A105 A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 A516.60 A694 (F42, F46, F48, F50, F52, F56, F60, F65, F70) A182 F304/304L, F316/316L, F316H, F310, F321 A182 F11, F22, Type: Welding neck, slip-on, threaded, lap-joint, socket welding and blind Manufacturing standards: API, ANSI, BS, JIS, UNI, MSS and SP Pressure: ANSI class 150 to 2, 500 Size range: 1/2 to 64 inches (DN15 to DN1, 400mm Standard: Socket flangeDIN2527, DIN2543 DIN2545, DIN2566 DIN2572, DIN2573 DIN2576, DIN2627 DIN2628, DIN2629 DIN2631, DIN2632 DIN2633, DIN2634 DIN2635, DIN2636 DIN2637, DIN2638 DIN2641, DIN2642 Types: Welding Neck Flange(WN) Slip on Flange(SO) Threaded Flange(TH), Socket Welding Flange(SW) Blind Flange(BL) Pressure Grade: 6Bar 10Bar 16Bar 25Bar 40Bar Size: DN10~DN2000 Other Specifications available upon Request. We can also manufacture special Application flanges and forgings that customers Require.