Ningbo Rilson Sealing Material Co., Ltd.  

Product Name: Rx Style Ring Joint Gasket Material: Stainless Steel Type: O Type Application: Valves and Flange Certificate: ISO9001/API Feature: High Temperature Resistance OEM &ODM: Yes Manufacture: Yes Experience: 11 Years Trademark: Rilson Transport Package: 1. Inner Packing Is Protective Film and Paper Box Origin: China Product Description Rilson manufactures and supplies a large variety of ring joint gaskets. The RTJ standard size gaskets are manufactured in accordance to API-6A and ASME B16.20 specifications. Rilson is licensed by the American Petroleum Institute (API).RX Ring Designations for API 6B FlangesRX gaskets are designed for pressures up to 10,000 PSI. These gaskets are interchangeable with R-oval or R-octagonal rings used on API 6B flanges. RX types of gaskets are more costly than your standard oval or octagonal rings, therefore not as popular. RX type gaskets perform excellent in 6B flanged blowout preventer stacks, which requires the additional mass of the RX gasket to support the higher pressures with higher vibrations and heavier weights of these units. Gaskets that have been torqued initiating a metal-to-metal seal should be discarded and not reused. Standard sizes are stocked in low carbon steel, 304 and 316.Hardness and temperatureMaterialMaximum Hardnedd (BRINELL)T( °C)Soft Iron90530Low carbon Steel120530F5130500304 Stainless Steel160750316 Stainless Steel160750321 Stainless Steel160750347 Stainless Steel160750410 Stainless Steel170500Monel140600Inconel 8251601000Inconel6251801100