Long Weld Neck Flanges

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Long Weld Neck Flanges

We are Manufacturer, Supplier and Exporter of ASME 16.5 Long Weld Neck Flanges. Long weld neck flanges, also called LWN flange, are similar to standard weld neck flanges but the neck is considerably longer. Long weld neck flanges are available in following specifications:

Size 1/2" (15 NB) to 36" (900NB)
Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
Material Grade
In Form SORF, WNRF, BLRF, SWRF, LAP Joint, Threaded, Reducing, Spectacle, etc.
Specialize As per drawing
Standard ANSI : 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, DIN2673.
Type of Flanges Weld Neck Flanges - WNRF, Socket Weld Flanges - SWRF, Slip On Raise Face - SORF, Blind Raise Face- BLRF, Spectacle Blind, Ring Joint, Large Dia Flanges, Orifice Flanges, Girth Flange, Lap Joint Flanges, Screwed (Threaded) Flanges, Long Weld Neck Flanges, Reducing.
Stainless Steel Long Neck Weld Flanges ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Carbon Steel  Long Neck Weld Flanges ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70
Alloy Steel  Long Neck Weld Flanges ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex Steel Long Neck Weld Flanges ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61