GB/T12224-2015 differs significantly from the 2005 version in terms of valve pressure and temperature ratings

2017-06-15View Original

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There are significant differences between GB/T 12224-2015 and GB/T 12224-2005 regarding the pressure and temperature rating values for valves; could someone please help explain this?

Reply #22017-06-16

Take a look at the revision notes for the 2015 version; actually, the best approach is to call those valve manufacturers that were involved in its development.

Reply #32020-04-25

What is the standard number generally required for the steel valves mentioned by the poster?

Reply #42020-06-21

This is also a way to solve the problem; it can be used

Reply #52020-12-22

Teacher, were you able to find out the reason for the low temperature and pressure values of the PN valve later on?

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GB/T12224-2015 differs significantly from the 2005 version in terms of valve pressure and temperature ratings

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