304/304L Groove & Tongue Flanges, 310/310S Groove & Tongue Flanges, 316/316L Groove & Tongue Flanges, 317/317L Groove & Tongue Flanges, 321/321H Groove & Tongue Flanges, 446 Groove & Tongue Flanges, 347/347H Groove & Tongue Flanges.
Carbon Steel, Monel, Alloy Steel, Duplex steel, Alloy 20, Copper Nickel Alloy, Hastelloy, Stainless Steel, Titanium & Inconel Groove & Tongue Flanges.
The Groove & Tongue faces of this flange should match each other. Out of them one of the flange face will have a raised ring (Tongue) which is machined onto the flange face while the other one is mating flange which has a matching depression (Groove) machined into it's face. Tongue-and-groove facings Flanges are available in both large as well as small types. They only differ in male-and-female types that is the inside diameters of the tongue-and-groove do not extend into the flange base, therefore retaining the gasket on its inner as well as outer diameters. These Groove & Tongue Flanges are mostly used on Valve Bonnets and pump covers. Tongue-and-groove joints have many advantage that they are self-align as well as act as reservoir for the adhesive. General flange faces like the F&M, T&G and RTJ which can never be bolted together. The reason is that is those contact surfaces do not match each other and there are no gaskets that has one type on one side and another type on the other side.
|Material of Construction||Standard||Grades|
|Stainless Steel Tongue & groove Flanges||ASTM A182, A240
||201, 202, 317, 317L, 316Ti, 316H, 316, 316L, 316LN, 310S, 310H, 309S, 309H, F304, 304H, 304L, 321, 321H, 347, 347H, 904L|
|Carbon Steel Tongue & groove Flanges||ASTM A105||Gr. F70, 65, 60, 56, 52, 46, 42|
|Alloy Steel Tongue & groove Flanges||ASTM A182||F1, F5, F9, F11, F22, F91|
|Nickel Alloy Tongue & groove Flanges||ASTM SB564, SB472, SB160, SB162||Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Nickel 200 (UNS No. N02200), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600)|
|Copper Alloys Tongue & groove Flanges||ASTM SB 61, SB62, SB151, SB152||UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 12200, 12000, 10800, 10300, 10200, 10100
|Low Temperature Carbon Steel Tongue & groove Flanges||ASTM A350||LF3, LF2
|Duplex Steel Tongue & groove Flanges||ASTM A240, A182
||UNS F 61, F 60, F 55, F 53, F51, F 45, F 44|
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