Differences in markings between American standard valves and Chinese standard valves

2010-08-04View Original

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What are the differences in markings between American standard valves and Chinese standard valves? Like gate valves? Thank you.

Reply #22010-08-04

I can’t help you, but you might ask liuzilong152156; he may have standards and books on this topic

Reply #32010-08-04

American-standard valves are usually specified in terms of inches and pounds, for example: gate valve 2\" 150lb; material: WCB/13CR. Chinese-standard valves are generally indicated by DN and pressure in kilograms, for example: gate valve DN50 Z41H-16C

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Differences in markings between American standard valves and Chinese standard valves

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