JB/T 8872-2016 (English Version) PDF

Scope: This standard specifies the product classification, requirements, inspection methods, inspection regulations, marking, packaging, transportation and storage of carbon graphite sealing rings for mechanical seals. This standard applies to the selection of carbon graphite seal ring materials and seal ring design for mechanical seals.

JB/T 8872-2016 Referenced Document

GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 1958 Geometrical Product Specifications(GPS)—Geometrical tolerance—Verification*， 2017-11-01 Update
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
GB/T 3177 Geometrical Product Specifications(GPS).Inspection of plain workpiece sizes
JB/T 2934 Carbon material and carbon products for mechanical engineering
JB/T 8133.14 Test method for physical-chemical properties of electrical carbon product.Part 14:Volume density
JB/T 8133.15 Test method for physical-chemical properties of electrical carbon product.Part 15:Porosity
JB/T 8133.4 Test method for physical-chemical properties of electrical carbon product.Part 4:Shore hardness
JB/T 8133.7 Test method for physical-chemical properties of electrical carbon product.Part 7:Transverse strength
JB/T 8133.8 Test method for physical-chemical properties of electrical carbon product.Part 8:Compressive strength
JB/T 9580 Classification and type arrangement method of carbon-graphite products

2016 JB/T 8872-2016 Specification for carbon-graphite sealing ring for mechanical seals
2002 JB/T 8872-2002 Specification for carbon-graphite sealing ring for mechanical seals
0000 JB/T 8872-1999