GB/T 8464-2023: Cast iron, copper and stainless steel valves with screwed connections

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Scope

This document specifies the structure types, materials, technical requirements, test
methods, inspection rules, marking, packaging, transportation, and storage of cast iron,
copper, and stainless steel gate valves, globe valves, ball valves, and check valves with
screwed connections.
This document applies to.
Gray cast iron valves with a nominal pressure not exceeding PN16 and a nominal size
not exceeding DN100.
Malleable cast iron valves and ductile cast iron valves with a nominal pressure not
exceeding PN25 and a nominal size not exceeding DN100.
Copper alloy valves and stainless steel valves with a nominal pressure not exceeding
PN40 and a nominal size not exceeding DN100.
The operating temperature is not higher than 180 ℃, and the working medium is water,
non-corrosive liquid, air, saturated steam, etc.
Note 1.The valves in this document refer to gate valves, globe valves, ball valves, or
check valves with screwed connections.
Note 2.For valves with a nominal size greater than or equal to DN50, the working
medium does not include air or saturated steam.

Basic Data

Standard ID	GB/T 8464-2023 (GB/T8464-2023)
Description (Translated English)	Cast iron, copper and stainless steel valves with screwed connections
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J16
Classification of International Standard	23.060.01
Word Count Estimation	32,344
Date of Issue	2023-03-17
Date of Implementation	2023-10-01
Older Standard (superseded by this standard)	GB/T 8464-2008
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration