GB/T 21540-2008 Replaced National standards

GB/T 21540-2008 Hydraulic fluid power—On-line automatic particle-counting systems for liquids—Methods of calibration and validation

Publish Date: 2008-03-31 Implement Date: 2008-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21540-2008

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Hydraulic and pneumatic devices

ICS Name: Filter, sealing gasket, and fluid impurities

Publish Date: 2008-03-31

Implement Date: 2008-09-01

Pages: 17 pages

Scope

This standard establishes calibration and verification procedures for online automatic counting systems of suspended particles in liquids. It is mainly used for multiple pass-through tests of filters conducted in accordance with GB/T 18853.

Development Information

Word Count: 27 Thousand words Pages: 17 pages

Superseded by the following standards

GB/T 21540-2022 Hydraulic fluid power—On-line automatic particle-counting systems for liquids—Methods of calibration and validation

Referenced Standards

ISO 12103-1:1997 GB 3100-1993 SI units and recommendations for the use of their multiples and of certain other units GB/T 17446-1998 Fluid power systems and components—Vocabulary GB/T 17446-2012 Fluid power systems and components—Vocabulary GB/T 17446-2024 Fluid power systems and components—Vocabulary GB/T 17489-1998 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system GB/T 17489-2022 Hydraulic fluid power—Particulate contamination analysis—Extraction of fluid samples from lines of an operating system GB/T 18853-2002 Hydraulic fluid power filters—Multi-pass method for evaluating filtration performance of a filter element GB/T 18853-2015 Hydraulic fluid power filters—Multi-pass method for evaluating filtrationperformance of a filter element GB/T 18854-2002 Hydraulic fluid power—Calibration of liquid automatic particle counters GB/T 18854-2015 Hydraulic fluid power—Calibration of automatic particle counters for liquids

Adopt standards

ISO 11943:1999

Related Standards

GB/T 17486-1998 Replaced

GB/T 17486-1998 Hydraulic fluid power—Filter—Evaluation of pressure drop versus flow characteristics

Publish Date: 1998-09-02

GB/T 14039-2002 Active

GB/T 14039-2002 Hydraulic fluid power—Fluids—Method for coding the level of contamination by solid particles

Publish Date: 2002-10-11

GB/T 18853-2002 Replaced

GB/T 18853-2002 Hydraulic fluid power filters—Multi-pass method for evaluating filtration performance of a filter element

Publish Date: 2002-10-11

GB/T 18854-2002 Replaced

GB/T 18854-2002 Hydraulic fluid power—Calibration of liquid automatic particle counters

Publish Date: 2002-10-11

GB/T 3452.1-2005 Active

GB/T 3452.1-2005 Fluid power systems—O-rings—Part 1:Inside diameters, cross-sections, tolerances and size identification code

Publish Date: 2005-07-11

GB/T 20082-2006 Active

GB/T 20082-2006 Hydraulic fluid power—Fluid contamination—Determination of particulate contamination by the counting method using an optical microscope

Publish Date: 2006-01-23