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English Translations » 历史存档[信息] » What are the standards for ball valves, backpressure valves,

What are the standards for ball valves, backpressure valves, Y-type filters, safety valves, and dampers made of UPVC material? Urgent...

2016-10-25View Original

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What are the standards for ball valves, backpressure valves, Y-type filters, safety valves, and dampers made of UPVC material? Urgent..
Reply #22016-10-25
Ball valves made of UPVC material have standards set by the machinery industry and the chemical industry; it depends on which industry and application they are to be used in
Reply #32016-10-25
What is the standard for water treatment and the delivery of chemicals?

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Translated at 2026-07-20 23:10:49

Original: https://bbs.hcbbs.com/thread-1634681-1-1.html

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