SH/T 3402-2013
Polytetrafluoroethylene envelope gaskets for steel pipe flanges in petrochemical industry (English Version)
- Standard No.
- SH/T 3402-2013
- Language
- Chinese, Available in English version
- Release Date
- 2013
- Published By
- Professional Standard - Petrochemical Industry
- Latest
- SH/T 3402-2013
- Replace
- SH/T 3402-1996
- Scope
- This standard specifies the requirements for types, dimensions, tolerances, technical conditions, inspection and testing of polytetrafluoroethylene-coated gaskets for petrochemical steel pipe flanges. This standard is applicable to polytetrafluoroethylene for raised face steel pipe flanges with nominal pressure less than or equal to PN50 (Class300) and operating temperature less than or equal to 150℃ as specified in SH/T 3406 "Petrochemical Steel Pipe Flanges" Manufacturing and acceptance of covered gaskets.
SH/T 3402-2013 Referenced Document
- GB/T 12385 Test method for sealing performance of gaskets for pipe flanges
- GB/T 12621 Standard test method for stress relaxation of gaskets for pipe flanges
- GB/T 12622 Standard test method for compressibility and recovery of gaskets for pipe flanges
- JC/T 2052 Compressed non-asbestos fibre gasket materials *， 2020-12-09 Update
- QB/T 3625-1999 Polytetrafluoroethylene plate
- QB/T 4041 Polytetrafluoroethylene rod
- SH/T 3406 Specification for steel pipe flanges in petrochemical engineering*， 2022-04-08 Update
SH/T 3402-2013 history
- 2013 SH/T 3402-2013 Polytetrafluoroethylene envelope gaskets for steel pipe flanges in petrochemical industry
- 1996 SH/T 3402-1996 Polytetrafluorothylene envelope gaskets for pipe flanges
