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Português Translations » 历史存档[信息] » Equipamentos de plástico PP, tubulações de plástico PP, válv

Equipamentos de plástico PP, tubulações de plástico PP, válvulas de plástico PP. Qual é o padrão universal de flanges?

2016-07-03View Original

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Gostaria de perguntar a todos: qual é o padrão nacional de flanges utilizado para equipamentos de plástico PP, tubulações de plástico PP e válvulas de plástico PP?
Reply #22016-07-03
Para equipamentos de plástico PP, eu geralmente uso HG20640. Para tubos e válvulas de PP, costumo utilizar as normas da empresa. Se for FRPP, eu geralmente uso HG20539
Reply #32016-08-14
Bem, ainda há pessoas que entendem, eu mesmo nunca tive contato com isso

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Translated at 2026-07-28 21:41:44

Original: https://bbs.hcbbs.com/thread-1599132-1-1.html

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