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

Publish Date: 2024-04-25 Implement Date: 2024-11-01 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 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

Pages: 36 pages

Scope

This document specifies the types and parameters, models and dimensions, technical requirements, pressure testing, inspection and acceptance, marking and labeling, and supply requirements of Class series cast iron pipe flanges and flange covers.
This document is applicable to cast iron pipe flanges and flange covers made of gray cast iron and nodular cast iron, with nominal pressures ranging from Class 25 to Class 300, and nominal sizes from DN 25 to DN 1200 (NPS 1 to NPS 48).

Development Information

Word Count: 54 Thousand words Pages: 36 pages

Same series standard

GB/T 17241.1-2024 Cast iron pipe flanges—Part 1:PN designated

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 5625.1-1985 Replaced

GB/T 5625.1-1985 Flared type tube fittings—Straight thread connector—Assembly

Publish Date: 1985-11-25

GB/T 5625.2-1985 Replaced

GB/T 5625.2-1985 Flared type tube fittings—Straight thread connector—Body

Publish Date: 1985-11-25

GB/T 5626.1-1985 Replaced

GB/T 5626.1-1985 Flared type tube fittings—Male connector—Assembly

Publish Date: 1985-11-25

GB/T 5626.2-1985 Replaced

GB/T 5626.2-1985 Flared type tube fittings—Male connector—Body

Publish Date: 1985-11-25

GB/T 5627.1-1985 Replaced

GB/T 5627.1-1985 Flared typed tube fittings—Straight thread long connector—Assembly

Publish Date: 1985-11-25

GB/T 5627.2-1985 Replaced

GB/T 5627.2-1985 Flared type tube fittings—Straight thread long connector—Body

Publish Date: 1985-11-25