Standard No.:	GB/T 12226-2005
English Name:	General purpose industrial valve - Specification of flake graphite iron castings
Chinese Name:	通用阀门 灰铸铁件技术条件
Chinese Classification:	J16    Valve
Professional Classification:	GB    National Standard
ICS Classification:	23.060.01 23.060.01    Valves in general 23.060.01
Source Content Issued by:	AQSIQ; SAC
Issued on:	2005-9-19
Implemented on:	2006-4-1
Status:	superseded
Superseded by:	GB/T 12226-2025 General purpose industrial valves - Technical specification for gray iron castings
Superseded on:	2026-5-1
Superseding:	GB/T 12226-1989 General purpose industrial valves-Specification of flake graphite iron castings
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	90.0
Delivery:	via email in 1 business day

1 Scope This Standard specifies technical requirements, test methods, inspection rules, as well as marking, packaging, and storage of general purpose industrial valves - flake graphite iron castings. This Standard is applicable to general purpose industrial valves, flanges, pipe fittings and other pressure-containing flake graphite iron castings(hereinafter referred to as casting). 2 Normative References The following normative documents contain provisions which, through reference in this Standard, constitute provisions of this Standard. For dated reference, subsequent amendments (excluding corrigendum), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this Standard are encouraged to study whether the latest edition of these documents is applicable. For undated references, the latest edition applies. GB/T 6060.1 Roughness Comparison Specimens - Cast Surfaces (GB/T 6060.1—1997，eqv ISO 2632-3;1979) GB/T 6414 Castings - System of Dimensional Tolerances and Machining Allowances (GB/T 6414—1999，eqv ISO 8062:1994) GB/T 7216 Gray Cast Iron Metallography (GB/T 7216—1987，neq ISO 945:1975) GB/T 9439-1988 Grey Iron Castings GB/T 11351 Mass Tolerances for Castings