Regarding manhole gaskets

2021-04-13View Original

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Manhole gasket/Specification DN450 PN4.0Mpa/Material 0222. I know that this gasket is of the external-ring type wound gasket, but I’m not sure about its dimensions. Are there any standards for manhole gaskets? How can I determine the dimensions?

Reply #22021-04-13

Many manhole standards are set by enterprises; it’s best to contact the manufacturer!

Reply #32021-04-14

In China, there are many design standards for manholes in the HG standard, both circular and elliptical. The types of gaskets involved include asbestos sheets, wound gaskets, steel ring gaskets, rubber sheets, PTFE sheets, and toothed composite gaskets.

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Regarding manhole gaskets

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