GB/T 46656-2025 Active National standards

GB/T 46656-2025 Valves for cryogenic vessels

Publish Date: 2025-10-31 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46656-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Pressure vessel

ICS Name: Low-temperature container

Publish Date: 2025-10-31

Implement Date: 2026-05-01

Pages: 24 pages

Scope

This document specifies the technical requirements, testing, cleaning, and marking of valves used in cryogenic containers (hereinafter referred to as "valves").
This document applies to valves with a rated minimum temperature not exceeding -40°C, including the design, manufacture, and inspection of vacuum-jacketed cryogenic valves with a nominal size not exceeding DN200. Other valves may be used as reference.

Development Information

Word Count: 31 Thousand words Pages: 24 pages

Referenced Standards

GB/T 12220-1989 General purpose industrial valves—Marking GB/T 12220-2015 Industrial valves—Marking GB/T 12224-1989 General requirements for industrial steel valves GB/T 12224-2005 General requirements for industrial steel valves GB/T 12224-2015 General requirements for industrial steel valves GB/T 13927-1992 Pressure testing for general purpose valves GB/T 13927-2008 Industrial valves—Pressure testing GB/T 13927-2022 Industrial valves—Pressure testing GB/T 17213.1-1998 Industrial-process control valves—Part 1:Control valve terminology and general considerations GB/T 17213.1-2015 Industrial-process control valves—Part 1:Control valve terminology and general considerations GB/T 21465-2008 Terminology for valves GB/T 26479-2011 Fire test for soft-seated quarter-turn valves GB/T 28776-2012 Steel gate,globe and check valve for the petroleum and natural gas industries(for sizes DN100 and smaller) GB/T 31481-2015 Guidance for gas/materials compatibility of cryogenic vessels ISO 11114-1 ISO 11114-2 ISO 21028-1 ISO 21028-2 ISO 23208

Adopt standards

ISO 21011:2008

Related Standards

GB 18442-2001 Replaced

GB 18442-2001 Cryo-insulation pressure vessels

Publish Date: 2001-09-03

GB/T 18443.3-2001 Replaced

GB/T 18443.3-2001 Testing method of cryo-insulation pressure vessels—Leakage measurement

Publish Date: 2001-09-03

GB/T 18443.4-2001 Replaced

GB/T 18443.4-2001 Testing method of cryo-insulation pressure vessels—Leak and outgassing rate measurement

Publish Date: 2001-09-03

GB/T 18443.5-2001 Replaced

GB/T 18443.5-2001 Testing method of cryo-insulation pressure vessels—Static vaporation rate measurement

Publish Date: 2001-09-03

GB/T 18442.1-2011 Replaced

GB/T 18442.1-2011 Static vacuum insulated cryogenic pressure vessel—Part 1:General requirements

Publish Date: 2011-11-21

GB/T 18442.2-2011 Replaced

GB/T 18442.2-2011 Static vacuum insulated cryogenic pressure vessel—Part 2:Material

Publish Date: 2011-11-21