Problem with gaskets; please ask an expert to help solve it
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I need an expert’s help. I need to replace the gasket; I know it’s a metal wound gasket, but how do I determine its size and specifications?
Please provide your bore diameter, pressure class, and seal face type, so that we can help you determine which gasket to use
Based on valve selection, the nominal diameter of the valve, pressure PN DN
Find the old gasket and look for the permanent identification on the gasket positioning ring; the information you need is on there.
Look for old gaskets; basically all the information you need is available there
Currently, it is only known that the flanged pipe diameter is DN20 and the pressure is CL150
It depends on the size of the pipes, as well as the type of pipeline system; metal gaskets and disposable items are used, and the installation is completed in one go
After opening it, check the old gaskets; if preparation is needed before maintenance, this should be used as a reference. Flange outer ring