主页 » Products » Steel Flanges All Steel Flanges We supply ASME B16.5 & EN 1092-1 pipe flanges. Flange types include WN, LWN, SO, SW, THD, PL, BL with RF and RTJ faces. Sort by NewestSort by Name A350 LF2 class 1 forged rings Galvanized backing ring flanges WELD NECK FLANGE 4-1/16″ 5000PSI R39 API 6A 6B 4130 60K Duplex steel flange SORF 14″ Class 150 A182 F60 ASME B16.5 SS316 Stainless Steel Flange with RILSAN PA11 GREY 5161 MAC coating Spade Flanges Spacer Flanges ANSI B16.36 WN Orifice Flange, 300 LB, 3 Inch, RF Black Weld Neck Orifice Flange, 300#, 2 Inch, SCH 80 Orifice Welded Neck Flanges, 10 Inch, 900LB, RF