SH/T 3401-2013 (English Version) PDF

Scope: This standard specifies the requirements for types, dimensions, tolerances, technical conditions, inspection and testing of non-metallic flat gaskets for petrochemical steel pipe flanges. This standard applies to the manufacture and acceptance of non-metallic flat gaskets for steel pipe flanges with nominal pressures PN11 (Class75) ~ PN110 (Class600) specified in SH/T 3406 "Petrochemical Steel Pipe Flanges".

SH/T 3401-2013 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
GB/T 22308 Standard test method for density of a sheet gasket material
GB/T 3280 Cold rolled stainless steel plate, sheet and strip*， 2015-09-11 Update
GB/T 528 Rubber,vulcanized or thermoplastic.Determination of tensile stress-strain properties
GB/T 531.1 Rubber,vulcanized or thermoplastic.Determination of indentation hardness.Part 1:Duromerer method( Shore hardness)
JB/T 6628 Reinforced flexible graphite (sheets) gaskets*， 2016-01-15 Update
JB/T 7758.2 Specifications of flexible graphite sheets
JB/T 7758.4 Test method for Cl content in flexible graphite sheets
JB/T 7758.7 Test method for stress relaxation of flexible graphite sheets
JB/T 9141.4 Flexible graphite sheets.Part 4: Test method for compressibility and recovery*， 2013-12-31 Update
JC/T 2052 Compressed non-asbestos fibre gasket materials *， 2020-12-09 Update
QB/T 3625-1999 Polytetrafluoroethylene plate
SH/T 3406 Specification for steel pipe flanges in petrochemical engineering*， 2022-04-08 Update

2013 SH/T 3401-2013 Nonmetallic flat gaskets for steel pipe flanges in petrochemical industry
1996 SH/T 3401-1996 Asbestos-rubber sheet gaskets for pipe flanges