GB/T 5625.1-1985
Replaced
GB/T 17241.2-2024
Active
National standards
GB/T 17241.2-2024 Cast iron pipe flanges—Part 2:Class designated
GB/T 17241.2-2024 Cast iron pipe flanges—Part 2:Class designated
Basic Information
Standard Code:
GB/T 17241.2-2024
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Piping accessories
ICS Name:
Flanges, pipe joints, and connectors
Publish Date:
2024-04-25
Implement Date:
2024-11-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国管路附件标准化技术委员会(SAC/TC 237)
Pages:
36 pages
Scope
本文件规定了Class系列铸铁管法兰和法兰盖的类型与参数、型式与尺寸、技术要求、压力试验、检验与验收、标志与标记、供货要求。
本文件适用于材料为灰铸铁和球墨铸铁、公称压力Class 25~Class 300、公称尺寸DN 25~DN 1200(NPS 1~NPS 48)的铸铁管法兰和法兰盖。
Development Information
Drafting Units:
中机生产力促进中心有限公司、玫德集团有限公司、新兴铸管股份有限公司、辽宁爱维尔金属成型科技股份有限公司、安徽同发设备股份有限公司、安徽欧泰祺智慧水务科技有限公司、山西天宝集团有限公司、河北建支铸造集团有限公司、博纳斯威阀门股份有限公司、高安市璐克斯机械有限公司、江阴金童石化装备有限公司
Drafting Persons:
任艳青、冯峰、李晓勤、左超、周占虎、焦祥静、王敬玉、王荣辉、艾晨光、胡大为、王道群、姚明华、卢晓斌、王小娟
Same series standard
Replace the following standards
GB/T 17241.1-1998 Synoptic table for cast iron pipe flanges
GB/T 17241.2-1998 Cast iron pipe blank flanges
GB/T 17241.3-1998 Hubbed threaded cast iron pipe flanges
GB/T 17241.4-1998 Hubbed slip-on-welding and hubbed socket welding cast iron pipe flanges
GB/T 17241.5-1998 Loose hubbed cast iron pipe flanges for lapped pipe end
GB/T 17241.6-2008 Integral cast iron flanges
GB/T 17241.7-1998 Specifications for cast iron pipe flanges
Referenced Standards
GB/T 152.4
GB/T 1047-1995 Nominal size for pipe components
GB/T 1047-2005 Pipework components—Definition and selection of DN (nominal size)
GB/T 1047-2019 Pipework components—Definition and selection of nominal size
GB/T 1048-1990 Nominal pressure for pipe components
GB/T 1048-2005 Pipework components—Definition and selection of PN
GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure
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 9439-1988 Grey iron castings
GB/T 9439-2010 Grey iron castings
GB/T 9439-2023 Grey iron 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
Related Standards
GB/T 5625.2-1985
Replaced
GB/T 5625.2-1985 Flared type tube fittings—Straight thread connector—Body
GB/T 5626.1-1985
Replaced
GB/T 5626.1-1985 Flared type tube fittings—Male connector—Assembly
GB/T 5626.2-1985
Replaced
GB/T 5626.2-1985 Flared type tube fittings—Male connector—Body
GB/T 5627.1-1985
Replaced
GB/T 5627.1-1985 Flared typed tube fittings—Straight thread long connector—Assembly
GB/T 5627.2-1985
Replaced