What does HG20631 mean on the gasket?
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What do GRAP and HG20631 mean on the gasket? :L
They are mats that are manufactured in accordance with the requirements of the chemical industry standard GB20631. There are many standard specifications for mats, just as compressors come with national standards and API standards; different standards impose varying requirements on their manufacturing process
It is the standard number for gasket manufacturing; it should be a standard set by the Ministry of Chemical Industry.
Gaskets come with different manufacturing standards; HG is a chemical industry standard. What was said above is correct – GRAP is likely an abbreviation for graphite.
There are many standards for gasket manufacturing, such as GB-- for national standards, SH-- for the petrochemical industry, HG-- for the Ministry of Chemical Industry, SY-- for the petroleum sector, API-- for American standards, and so on. The HGGB20631 standard refers to the fact that this gasket is manufactured in accordance with this standard. GRAP is the abbreviation for graphite, with the full name being GRAPHITE.
As a supplementary note: HG20631 \"Wound gaskets for steel pipe flanges (American system)\\"; for more details, refer to this standard
Take a look at this industry standard, HG20631
Ministry of Chemical Industry standard, HG20631 \"Wound gaskets for steel pipe flanges (American system)\"; for abbreviations of other standards, please refer to Floor 5
Thank you to everyone above for their answers; I’ve learned a little bit as well
I agree with what was said on floor 9; I checked just now and it is indeed the case.
Thank you to everyone above for their answers; I’ve learned a little bit as well
Standard code: This refers to chemical standards