Is the standard for tube box winding gasket washers 20631 or 47026?

2021-06-20View Original

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Is the standard for tube box winding gasket washers 20631 or 47026?

Reply #22021-06-20

HG/T 20631-2009 is for steel pipe flange wound gaskets. The dimension of the gasket for coiled gasket pipe flanges is GB/T4622.2. NBT 47026-2012 is \"Metal Gaskets\"

Reply #32021-06-20

Look at the standard Fran chose!

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