Wenzhou Senfeng Flange Pipefitting Co., Ltd.  

Product Name: ASTM A182 / F61/2205 /304/316 Rtj Ring Joint Flange Manufacturing Way: Forging Sealing Surface: RF Connection: Welding Structure: Flanges Material: Stainless Steel Type: Welding Flange Standard: ANSI, DIN, GB, JIS, GOST, BSW Material Type: 304.304L.316/316L.904L.2520.317L,F51.F2205.317 Delivery: 15days Production Process: Billet-Cutting-Forging-Heating-Lathe-Drilling-Insp Packing: Wooden Case Trademark: SF Transport Package: Plywood Cases, Pallets, Nylon Bags, Wooden Catron Specification: 10-2000 Origin: China HS Code: 7307210000 Product Description A Ring Joint Flanges (RTJ) is used when a metal -to -metal seal between the mating flanges is required (which is a condition for high-pressure and high-temperature applocations,i.e.above 700/800c)A Ring joit flange features a circlar groove to accommodate a ring joint gasket(oval, or rectangular)As the two ring joint flanges are bolted together and then tightened ,the applied bolting force deforms the gaskets inside the flange groove creating a very tight metal- to -metal seal, to make this happen, the material of the ring joint gasket has to be softer(more dectle)than the material of the flange.RTJ flanges can be sealed by RTJ gaskets of different styles (R.RX.BX) and profilesThe most common RTJ gaskets is the R style with an octagonal section, as it ensures a very strong seal (the oval section is an older type). A "flat groove" design, however, accepts both RTJ gaskets having an octagonal or oval section.Stainless SteelASTM A182 F304,F304L,F316,F316L,1cr18Ni9Ti,0cr18Ni9Ti,321,18-8