Ring Joint Gaskets, Ring Joint Gaskets Suppliers, Ring Joint Gaskets Manufacturers

Mechanical :: Flanges :: Gaskets :: Ring Joint Gaskets
Ring Joint Gaskets are produced from different solid metal types. They are used to stand high pressure and temperatures and they are employed where corrosive agents are present. These gaskets are obtained by mechanical working from forged or laminated metals in one single piece. They are employed in production and refining process of oil and chemical industries.

Ring Joint Gaskets are strictly manufactured to API-6A/ASME B16.2 specifications.

Ring Joint Gaskets shall be either octagonal or oval in cross section and identify by R, RX or BX number that relates to flange size (NPS), pressure class and appropriate flange standards.
Ring Gasket Materials:
Gasket Material Identification Max. Hardness


Brinell Rockwell B Scale
Soft Iron D 90 56 R No. D "PMT Engineers"
Low Carbon Steel S 120 68 R No. S "PMT Engineers"
4-5 Chrome Half Moly F5 130 72 R No. F5 "PMT Engineers"
Type 410 S410 170 86 R No. S410 "PMT Engineers"
Type 304 S304 160 83 R No. S304 "PMT Engineers"
Type 316 S316 160 83 R No. S316 "PMT Engineers"
Type 347 S347 160 83 R No. S347 "PMT Engineers"
RJ Oval 700 ASME B16.20
RJ Octogonal 700 ASME B16.20
Rx 700 ASME B16.20
Bx 1500 ASME B16.20
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