Bonnet Seal Ring Gasket Sizes

We currently offer bonnet gaskets for Type MS check valves in two sizes:

1-13/16” - 2-1/16” 5M-20M

3-1/16” - 4-1/16” 5M-20M

If you need help identifying the size needed, please contact us for personal assistance. We may also have compatible parts in stock that aren’t currently listed.

Competitive Pricing on Quality Bonnet Gaskets

Replacement parts for the oil and gas industry don’t have to be expensive. Heshka Oil has made a name in the industry by producing a variety of equipment that meets API standards using high-grade materials that can withstand the workload. By bringing the order and distribution process online we’re able to cut costs and pass the savings on to our customers.

API 6A Monogrammed MS Check Valves

All of our Type MS check valves are API 6A monogrammed and all replacement parts are built to the same high standard. Our quality control measures provide assurance that every part will perform under the harshest conditions.

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.