Gaskets Blog

We are the leading industry source for educational information on gasketing products. We influence, support, harmonize and develop gasket standards. This is accomplished through collaboration with national and international standards bodies and in partnership with customers. The division serves as a forum for the exchange of technical information and the development of consensus actions on the issues that are recognized as of common interest and benefit to the member companies and their customers.

Bolting Considerations for Bolted Flange Joints, Part 2

Part 1 of this article, which ran in the Pumps & Systems’ July 2020 issue, discussed various properties related to bolt strength, as well as some challenges often encountered in developing and maintaining a successful clamping load. Part 2 will use the short form torque equation to evaluate the required bolt load necessary to develop a given gasket sealing stress and resist the design hydraulic pressure. This article will also review the challenges discussed in Part 1 and will enumerate the additional bolt load that might be used to account for each of these.

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