Expander Flanges

We are Manufacturer, Supplier and Exporter of ASME 16.5 Expander Flanges. Expander Flanges is a Welding Neck pipe flange where the nominal size of the non-flanged end is larger than the nominal size of the flanged end. The expander flange can be used to connect pipe to pumps, compressors and Valves. Expander Flanges are available in following specifications:

Size 1/2" NB to 48" NB.
Class 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
Material Grade
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 Expander Flanges ASTM A 182, A 240, F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L, Duplex stainless steel UNS S31803, 2205, 2507 Super Duplex stainless steel UNS S32750.
Carbon Steel  Expander Flanges ASTM A 105, ASTM A 350
Alloy Steel  Expander Flanges ASTM A 182, GR F1, F11, F22, F5, F9, F91
Nickel Alloy Expander Flanges Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276,Cupro Nickel,Alloy 20.
Non Ferrous Alloys Expander Flanges Copper, Brass, Aluminum Bronze, Titanium, Phosphor Bronze & Gunmetal.