Long Weld Neck Flanges

We are the leading supplier of Long Weld Neck Flanges.Long Neck Welding (abbreviated LWN) flanges are similar to a standard Welding Neck flange, but the “Neck” is considerably longer. Long weld neck flanges, also called LWN flange, are similar to standard weld neck flanges but the neck is considerably longer.Specifications:Product TypeLong Neck Weld Flanges, ASME 16.5 Long Weld Neck Flanges / LWNSize½” (15 NB) to 36″ (900NB)Pressure Class150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBSStainless Steel Long Neck Weld FlangesASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904LCarbon Steel Long Neck Weld FlangesASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70Alloy Steel Long Neck Weld FlangesASTM / ASME A/SA 182 A 387 F1, F5, F9, F11, F12, F22, F91Duplex Steel Long Neck Weld FlangesASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61SpecializeAs per drawingStandardANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642,DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673Flanges FormsWeld Neck Flanges – WNRF, Socket Weld Flanges – SWRF, Slip On Raise Face – SORF, Blind RaiseFace- BLRF, Spectacle Blind, Ring Joint, Large Dia Flanges, Orifice Flanges, Girth Flange, Lap Joint Flanges, Screwed (Threaded) Flanges, Long Weld Neck Flanges, Reducing.