GB/Z 44946-2024 Active National standards

GB/Z 44946-2024 Hydraulic fluid power—Filter element test methods—Service life evaluation

Publish Date: 2024-11-28 Implement Date: 2025-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/Z 44946-2024

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Hydraulic and pneumatic devices

ICS Name: Filter, sealing gasket, and fluid impurities

Publish Date: 2024-11-28

Implement Date: 2025-06-01

Pages: 20 pages

Scope

This document describes the theoretical correspondence between the actual lifespan of the filter element and its test lifespan.
This document is applicable to:
—— Establishing a mathematical model of the actual lifespan of the filter element and its test lifespan;
—— Ensuring that the system's oil viscosity, flow rate, and solid particle contamination levels are essentially stable;
—— Obtaining the operating parameters of the in-use filter element and evaluating its actual lifespan based on laboratory data.

Development Information

Word Count: 25 Thousand words Pages: 20 pages

Referenced Standards

GB/T 14041.1-1993 Hydraulic fluid power—Filter elements—Verification of fabrication integrity GB/T 14041.1-2007 Hydraulic fluid power—Filter elements—Part 1:Verification of fabrication integrity and determination of the first bubble point 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 17486-1998 Hydraulic fluid power—Filter—Evaluation of pressure drop versus flow characteristics GB/T 17486-2006 Hydraulic fluid power—Filters—Evaluation of differential pressure versus flow characteristics 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 28957.1-2012 Road vehicles—Test dust for filter evaluation—Part 1:Silicon dioxide test dust GB/T 28957.1-2023 Road vehicles—Test dust for filter evaluation—Part 1:Silicon dioxide test dust

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