JB/T 7255-2007
Water ring vacuum pumps and compressors (English Version)

Standard No.
JB/T 7255-2007
Language
Chinese, Available in English version
Release Date
2007
Published By
Professional Standard - Machinery
Status
 2021-04
Replace By
JB/T 7255-2020
Latest
JB/T 7255-2020
Replace
JB/T 7255-1994
Scope
This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules, use guarantee, marking, packaging, transportation and storage of water ring vacuum pumps and water ring compressors (hereinafter referred to as pumps). This standard is applicable to water ring vacuum pumps and water ring compressors that pump or transport gases that do not contain solid particles, are insoluble in water, and have a temperature of generally -10°C to 40°C. For liquid ring pumps that use non-aqueous liquids as working fluids, please refer to this guide.

JB/T 7255-2007 Referenced Document

  • GB/T 11352 Carbon steel castings for general engineering purpose*2008-03-05 Update
  • GB/T 13306 Plates*2011-05-12 Update
  • GB/T 13384 General specifications for packing of mechanical and electrical product*2008-07-18 Update
  • GB/T 1348 Spheroidal graphite iron castings*2019-12-31 Update
  • GB/T 13929 Methods of testing for water-ring vacuum pumps and compressors*2010-09-26 Update
  • GB/T 2100 Corrosion-resistanst steel castings for general applications*2017-11-01 Update
  • GB/T 4662 Rated static load of rolling bearing*2012-11-05 Update
  • GB/T 4879 Rustproof packaging*2016-02-24 Update
  • GB/T 6391 Rolling bearings.Dynamic load ratings and rating life*2011-01-14 Update
  • GB/T 9439 Gray cast iron parts*2023-09-07 Update
  • JB/T 4127.1 Mechanical seal.Part 1:Specification*2013-04-25 Update
  • JB/T 4127.3 Mechanical seal.Part 3: Product acceptance specification*2011-05-18 Update
  • JB/T 4297 Pump product painting technical conditions*2021-12-02 Update
  • JB/T 8097 Methods of measuring and evaluating vibration of pumps
  • JB/T 8098 Methods of measuring and evaluating noise of pumps

JB/T 7255-2007 history

Water ring vacuum pumps and compressors



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