HG 20592

2018-09-28View Original

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HG 20592 is based on the EN 1092 standard; flange types for butt welding specified in EN 1092 can reach DN3600. Why then are the butt welding flanges with PN6 rating in HG 20592 only available up to DN600? Why isn’t the range larger? GB 9119 has been extended up to DN2000! I would appreciate some guidance from experts, thank you!

Reply #22018-09-29

It is updated only once every few decades. It’s just copying, and yet it can’t even copy everything – there are too many versions. HG20592 SH3406

Reply #32018-09-29

I’m not very sure about this question either. I hope some expert can help clarify this.

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HG 20592

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