What standard should be used for the metal wound gasket DN20 150LB C1222? Could some expert tell me?

2016-08-18View Original

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What standard should be used for the metal wound gasket DN20 150LB C1222? Could some expert tell me?

Reply #22016-08-18

Take a look at NB/T 47025-2012 winding gaskets

Reply #32016-08-18

I usually refer to HG/T20631

Reply #42016-08-23

Is it written wrong? It should be D1222, right?

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