JB/T 11957-2014 (English Version) PDF

Scope: This standard specifies the basic types and parameters, technical requirements, inspection regulations, inspection methods, instruments, meters, packaging, transportation and storage of mechanical seals used in the food and pharmaceutical industries. This standard applies to mechanical seals of centrifugal pumps and mixing devices in the food and pharmaceutical industries that meet food hygiene requirements.

JB/T 11957-2014 Referenced Document

GB 14881 National Food Safety Standards General Hygienic Practices for Food Production
GB 16798 Food machinery safety requirements*， 2023-09-08 Update
GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
HG/T 2269 Technical conditions for mechanical seals for kettles*， 2020-04-16 Update
JB/T 11107 Cylindrical coil spring for mechanical seal*， 2023-12-29 Update
JB/T 4127.1 Mechanical seal.Part 1:Specification
JB/T 6374 Technical specifications of silicon carbide sealing rings for mechanical seals*， 2020-08-31 Update
JB/T 7757.2 The rubber O-ring for mechanical seal
JB/T 8871 Blank of hard alloy sealing ring for mechanical seal
JB/T 8872 Specification for carbon-graphite sealing ring for mechanical seals*， 2016-01-15 Update
JB/T 8873 Technical specifications for filled polytetrafluoroethylene and polytetrafluoroethylene blanks for mechanical seals*， 2023-12-29 Update