Ring Joint Flange is a special type of flange connection in which a metal ring (resting in a groove in the flange) serves as a pressure seal between the two flanges. RTJ flanges seal when tightened bolts compress the gasket between the flanges into the grooves, deforming (or "Coining") the gasket to make Intimate Contact inside the grooves, creating a metal to metal seal.
Specifications :
Stainless Steel: ASTM A 182, A 240
Grade: F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Duplex stainless steel: UNS S31803, 2205
Super duplex stainless steel: UNS S32750
Carbon Steel: ASTM A 105, ASTM A 181
Alloy Steel: ASTM A 182, GR F1, F11, F22, F5, F9, F91
Nickel alloys: Monel 400 & 500, inconel 600 & 625, incolloy 800, 825, hastelloy C22, C276
Copper alloys: Copper, brass & gunmetal
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