Reference number
ISO 6358-2:2019
© ISO 2025
International Standard
ISO 6358-2:2019
Pneumatic fluid power — Determination of flow-rate characteristics of components using compressible fluids — Part 2: Alternative test methods
Edition 2
2019-08
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Published (Edition 2, 2019)

ISO 6358-2:2019

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Format
CHF 177
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Abstract

This document specifies a discharge test and a charge test as alternative methods for testing pneumatic fluid power components that use compressible fluids, i.e. gases, and that have internal flow passages that can be either fixed or variable in size to determine their flow-rate characteristics. However, this document does not apply to components whose flow coefficient is unstable during use, i.e. components that exhibit remarkable hysteretic behaviour (because they can contain flexible parts that deform under the flow) or that have an internal feedback phenomenon (such as regulators), or components that have a cracking pressure such as non-return (check) valves and quick-exhaust valves. In addition, it does not apply to components that exchange energy with the fluid during flow-rate measurement, e.g. cylinders, accumulators.

NOTE This document does not provide a method to determine if a component has hysteretic behaviour; ISO 6358‑1 does provide such a method.

General information

  • Status
     : Published
    Publication date
     : 2019-08
    Stage
    : Close of review [90.60]
  • Edition
     : 2
    Number of pages
     : 40
  • Technical Committee :
    ISO/TC 131/SC 5
    ICS :
    23.100.01 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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