Flanges and Fittings

Flanges are made as per ASME/ANSI Standard B16.5Slip On Raised Face (SORF)Slip On Flat Face (SOFF)Slip On Lap Joint (SOLJ)Socket Weld Raised Face (SWRFSocket Weld Flat Face (SWFF)Weld Neck Raised Face (WNRF)Weld Neck Flat Face (WNFF)Weld Neck Ring Joint (WNRTJ)Long Weld Neck Raised Flange (LWNRF)Blind Raised Face (BLRF)Blind Flat Face (BLFF)Flanges are offered in various materials, depending on the intended use.High Temperature Services : For High Temperature services, we supply Stainless Steel Flanges as per ASTM A 182 - Gr. F 304L, 304H, 304LN, 309, 309S, 309H, 310S, 310H, 316, 316L, 316H, 316LN, 317, 317L, 321, 321H, 347, 347H, 348, 348H, 904L (UB6) etc. For High Temperature, flanges are also offered in Alloy Steel as per ASTM A 182 - Gr. F1, F2, F5, F9, F11, F12, F22 & F91.Elevated Temperature Services: For elevated temperature, Carbon Steel Forged Socket Weld & Screwed Fittings & Flanges are offered as per ASTM A 105Low Temperature Services : Carbon Steel Fittings & Flanges for Low Temperature Services are supplied as per ASTM A 350 - Gr. LF1, LF2, LF3, LF5, LF6 & LF9.Flange Accessories: as per ANSI - B 16.9, B 16.28 & MSS SP-43 etcStudding OutletsOrificeSpectacle Blinds

Sealfasten supplies Flanges for High Temperatures, Elevated Temperatures and Low Temperatures Services along with the fittings.