GB/T 8464-2023 Active National standards

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

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

Publish Date: 2023-03-17 Implement Date: 2023-10-01 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 8464-2023
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: \nValve
ICS Name: \nValve Comprehensive
Publish Date: 2023-03-17
Implement Date: 2023-10-01
Pages: 29 pages

Scope

This document specifies the structural types, materials, technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of gate valves, shut-off valves, ball valves, and check valves made of iron, copper, and stainless steel with threaded 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 nodular 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.
Working temperatures not exceeding 180 °C, and working media such as water, non-corrosive liquids, air, and saturated steam.
Note 1: In this document, valves refer to gate valves, shut-off valves, ball valves, or check valves with threaded connections.
Note 2: The working media of valves with a nominal size greater than or equal to DN50 do not include air and saturated steam.

Development Information

Word Count: 53 Thousand words Pages: 29 pages

Replace the following standards

Referenced Standards

GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates—Rating of test specimens and manufactured articles subjected to corrosion tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 13927-2022 Industrial valves—Pressure testing GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 1176-1987 Specification for cast copper alloys GB/T 1176-2013 Casting copper and copper alloys GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 4380-2004 Assessment of departure from roundness—Two-and three-point methods GB/T 5750.6-2006 Standard examination methods for drinking water— Metal parameters GB/T 5750.6-2023 Standard examination methods for drinking water—Part 6:Metal and metalloid indices GB/T 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 1:Parallel internal and taper external threads GB/T 7306.2-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 2:Taper internal and external threads GB/T 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 9440-1988 Malleable iron castings GB/T 9440-2010 Malleable iron castings GB/T 12221-1989 Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions GB/T 12221-2005 Metal valves—Face to face,end to end,center to face and center to end dimensions 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 12225-1989 General purpose industrial valves—Specification of copper alloy castings GB/T 12225-2005 General purpose industrial valves—Specification of copper alloy castings GB/T 12225-2018 General purpose industrial valves—Specification of copper alloy castings GB/T 12226-1989 General purpose industrial valves—Specification of flake graphite iron castings GB/T 12226-2005 General purpose industrial valves—Specification of flake graphite iron castings GB/T 12227-1989 General purpose industrial valves—Specification of spheroidal graphite iron castings GB/T 12227-2005 General purpose industrial valves—Specification of spheroidal graphite iron castings GB/T 12230-1989 General purpose industrial valves—Specification of austenitic steel castings GB/T 12230-2005 General purpose industrial valves—Specification of stainless steel castings GB/T 12230-2023 General purpose industrial valves—Specification of stainless steel castings GB/T 12716-2002 Pipe threads with the thread angle of 60 degrees where pressure-tight joints are made on the threads GB/T 12716-2011 Pipe threads with the thread angle of 60 degrees where pressure-tight joints are made on threads GB/T 15530.8-1995 Specifications for copper alloy and composite flanges GB/T 17241.7-1998 Specifications for cast iron pipe flanges GB/T 29528-2013 Specification of copper alloy forgings for valves GB/T 35741-2017 Specification of stainless steel forgings for industrial valves QB/T 5257-2018 Polytetrafluoroethylene (PTFE) sheet GB/T 12221-2025 Metal valves—Face to face,end to end,centre to face and centre to end dimensions GB/T 12226-2025 General purpose industrial valves—Technical specification for gray iron castings GB/T 12227-2025 General purpose industrial valves—Technical specification for ductile iron castings

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