Surface finish of the Style R Ring Type Joint sealing faces (radiused ends of an Oval and the 23° angled faces of an Octagonal shape) shall not be greater than 1.6 μm Ra /63 μin RMS. Flexitallic Style R Ring Type Joints can bemanufactured in accordance with all relevant standardsto suit the following flange designations:

API 6A

ASME16.20

R Oval & Octagonal gasket ring Can be used for ASME B16.5 flange class 150 to 2500 and
API 6B to Class 5000
»Soft iron and carbon steel gaskets are zinc plated to prevent
corrosion
» All rings are marked with the ring number, material and the
date of manufacture and API designation.

Wenzhou Jingwei Seals Technology Co., Ltd. is a manufacturer and supplier of threaded products, gaskets & seals, and precision machined components. Jingwei manufactures Ring Joint Gaskets are suitable for high pressure and high temperature applications. The Gaskets are available in R, RX, BX styles and in oval/octagonal profiles. we manufactures gaskets in accordance with specific tolerances on CNC machines and the they are fully comply with the ASME B16.20 standardand the API spec 6A requirements .
We have worked with many different national and international companies, in a variety of sectors and industries. Our industry experience ranges from advising on product design and development on sealing applications, to shipping large product volume to our customers’ production lines. Our gaskets and seals have been used in well known oil & gas industry as well as the industrial, marine, power generation, and transportation industries.
We know how materials act in different conditions and environments.We work with our customers to advise on product design and development. We can provide custom prototypes and samples in different materials, to help you decide on how best to specify your product or design.