GB/T 4622.2-2022
Spiral wound gaskets for pipe flanges—Part 2: Class designated (English Version)
- Standard No.
- GB/T 4622.2-2022
- Language
- Chinese, Available in English version
- Release Date
- 2022
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 4622.2-2022
- Replace
- GB/T 4622.1-2009 GB/T 4622.2-2008 GB/T 4622.3-2007
- Scope
- This document specifies the types and codes, dimensions, technical requirements, inspection methods, inspection rules, markings, signs, ordering information, packaging and Storage and transportation. This document is applicable to the nominal pressure specified in GB/T9124.2 as Cl
GB/T 4622.2-2022 Referenced Document
- GB/T 12385-2008 Test method for sealing performance of gaskets for pipe flanges
- GB/T 12622-2008 Standard test method for compressibility and recovery of gaskets for pipe flanges
- GB/T 2054 Nickel and nickel alloy plates*， 2023-11-27 Update
- GB/T 27793 Beater addition non asbestos gasket materials
- GB/T 3003 耐火纤维及制品
- GB/T 3274 Hot-rolled plates、sheets and strips of carbon structural steels and high strength low alloy structural steels
- GB/T 3280 Cold rolled stainless steel plate, sheet and strip
- GB/T 5019.4 Specification for insulating materials based on mica.Part 4:Mica paper
- JB/T 6618 Specifications of PTFE filler for spiral wound gaskets
- JB/T 7758.2 Specifications of flexible graphite sheets
GB/T 4622.2-2022 history
- 2022 GB/T 4622.1-2022 Spiral wound gaskets for pipe flanges—Part 1: PN designated
- 2009 GB/T 4622.1-2009 Classification for spiral wound gaskets
- 2008 GB/T 4622.2-2008 Dimensions for spiral wound gaskets for pipe flanges
- 2007 GB/T 4622.3-2007 Specification of spiral wound gaskets
- 2003 GB/T 4622.2-2003 Types and dimensions for spiral wound gaskets for pipe flanges
- 1993 GB/T 4622.3-1993 Specification of spiral wound gaskets
GB/T 4622.2-2022 Spiral wound gaskets for pipe flanges—Part 2: Class designated has been changed from GB/T 4622.1-2009 Classification for spiral wound gaskets.
GB/T 4622.2-2022 Spiral wound gaskets for pipe flanges—Part 2: Class designated has been changed from GB/T 4622.3-2007 Specification of spiral wound gaskets.
