GB/T 12227-2025 Active National standards

GB/T 12227-2025 General purpose industrial valves—Technical specification for ductile iron castings

GB/T 12227-2025 General purpose industrial valves—Technical specification for ductile iron castings

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

Basic Information

Standard Code: GB/T 12227-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: \nValve
ICS Name: \nValve Comprehensive
Publish Date: 2025-10-31
Implement Date: 2026-05-01
Publisher: 国家市场监督管理总局、国家标准化管理委员会
Technical Committee: 全国阀门标准化技术委员会(SAC/TC 188)
Pages: 16 pages

Scope

本文件规定了通用阀门球墨铸铁件的技术要求、试验方法、检验规则、标志标签和随行文件以及包装运输和贮存。
本文件适用于通用阀门的铁素体珠光体球墨铸铁(以下简称“球墨铸铁”)的设计、生产与检验。

Development Information

Drafting Units:

远大阀门集团有限公司、安徽省白湖阀门厂有限责任公司、中阀控股(集团)有限公司、安徽红星阀门有限公司、中核苏阀科技实业股份有限公司、杭州春江阀门有限公司、上海冠龙阀门节能设备股份有限公司、上海标一阀门有限公司、安徽铜都流体科技股份有限公司、博纳斯威阀门股份有限公司、沪航科技集团有限公司、合肥通安工程机械设备监理有限公司、江苏腾龙石化机械有限公司、成都川力智能流体设备股份有限公司、浙江华龙巨水科技股份有限公司、山东天力机械铸造有限公司、山东亿佰通阀门有限公司、温州技师学院、永康市良工阀门有限公司、天津塘沽瓦特斯阀门有限公司

Drafting Persons:

邵建农、冯玉柱、黄杰、陈春健、严杰、朱文斌、柴璐、张燕、黄志民、王菁、王荣辉、陈文恭、周钦凯、戴义明、张伟、葛兵、杨智森、吕国钦、苏志平、林帆、王展波

Word Count: 17 Thousand words Pages: 16 pages

Replace the following standards

Referenced Standards

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 229-1994 Metallic materials—Charpy notch impact test GB/T 229-2007 Metallic materials—Charpy pendulum impact test method GB/T 229-2020 Metallic materials—Charpy pendulum impact test method GB/T 1348-1988 Spheroidal graphite iron castings GB/T 1348-2009 Spheroidal graphite iron castings GB/T 1348-2019 Spheroidal graphite iron castings GB/T 5611-1998 Foundry terminology GB/T 5611-2017 Foundry terminology GB/T 6414-1999 Castings—System of dimensional tolerances and machining allowances GB/T 6414-2017 Castings—Dimensional tolerances and geometrical tolerances and machining allowances GB/T 9441-1988 Metallographic test for spheroidal graphite cast iron GB/T 9441-2009 Metallographic test for spheroidal graphite cast iron GB/T 9441-2021 Metallographic test method for spheroidal graphite cast iron GB/T 9441-2021 Metallographic test method for spheroidal graphite cast iron GB/T 11351-1989 Mass tolerances for castings GB/T 11351-2017 Mass tolerances of casting GB/T 12220-1989 General purpose industrial valves—Marking GB/T 12220-2015 Industrial valves—Marking 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

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