Zhejiang, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
OEM/ODM Service
Sample Available

Ring Joint Gasket, Metal Gasket, API Gasket manufacturer / supplier in China, offering Rx Style Ring Joint Gasket, Oval Ring Joint Gasket, Spiral Wound Gasket for Flange and so on.

Diamond Member Since 2007
Audited Supplier

Rx Style Ring Joint Gasket

Min. Order / Reference FOB Price
50 Pieces US $3-15/ Piece
Port: Ningbo, China
Production Capacity: 5000000 Piece/Pieces Per Month
Payment Terms: T/T
Type: O Type
Material: Stainless Steel
Application: Valves and Flange
Certificate: ISO9001/API
Feature: High Temperature Resistance

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Basic Info.

11 Years
Transport Package
1. Inner Packing Is Protective Film and Paper Box
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 Flanges

RX 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 temperature
MaterialMaximum Hardnedd (BRINELL)T( °C)
Soft Iron90530
Low carbon Steel120530
304 Stainless Steel160750
316 Stainless Steel160750
321 Stainless Steel160750
347 Stainless Steel160750
410 Stainless Steel170500
Inconel 8251601000

Rx Style Ring Joint Gasket

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