GB/T 24925-2019: Low temperature valve - Technical specifications

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Scope

This Standard specifies the structural style, technical requirements, test
methods, inspection rules, marking, painting, packaging, transportation, and
storage of low temperature valve (hereinafter referred to as "valve").
This Standard is applicable to flange, wafer and welding-connected low
temperature gate valves, globe valves, check valves, ball valves, and butterfly
valves with nominal pressure PN16~PN400, nominal size DN15~DN1200;
pressure class Class150~Class2500, nominal size NPS1/2~NPS48, medium
temperature -196 °C~-29 °C.
Other low temperature valves may refer to it for use.

Basic Data

Standard ID	GB/T 24925-2019 (GB/T24925-2019)
Description (Translated English)	Low temperature valve - Technical specifications
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J16
Classification of International Standard	23.060.99
Word Count Estimation	30,382
Date of Issue	2019-10-18
Date of Implementation	2020-05-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration