BS ISO 6358-3:2014
Current
The latest, up-to-date edition.
Pneumatic fluid power. Determination of flow-rate characteristics of components using compressible fluids Method for calculating steady-state flow-rate characteristics of systems
Hardcopy , PDF
English
31-10-2014
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Calculation hypotheses
6 Organization of calculations for systems of components
connected in series
7 Organization of calculations for systems of components
connected in parallel
Annex A (informative) - Example calculation for a system
of components connected in series
Annex B (informative) - Example calculation for an air blow
circuit whose components are connected in parallel
Annex C (informative) - Flow charts of calculation procedures
Annex D (informative) - Additional information concerning
components whose flow rate characteristics are not
expressed in accordance with the ISO 6358 series
Annex E (informative) - Visualization of calculation results
Bibliography
Describes a method that uses a simple numerical technique to estimate without measurements the overall flow-rate characteristics of a system of components and piping with known flow-rate characteristics.
| Committee |
MCE/18/-/5
|
| DevelopmentNote |
Together with BS ISO 6358-1 and BS ISO 6358-2, supersedes BS 7294(1990). Supersedes 08/30176286 DC & 11/30254394 DC. (10/2014)
|
| DocumentType |
Standard
|
| Pages |
70
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of ISO6358 specifies a method that uses a simple numerical technique to estimate without measurements the overall flow-rate characteristics of a system of components and piping with known flow-rate characteristics.
The formulae used in this part of ISO6358 describe the behaviour of a compressible fluid flow through a component for both subsonic and choked flows.
NOTE The conductance of a tube, silencer or filter is influenced by the upstream pressure, so the values of C and b are only valid for the upstream pressure at which they are determined.
This part of ISO6358 also provides methods to obtain equivalent flow-rate characteristics for components whose flow-rate characteristics differ from those defined in the ISO6358 series.
| Standards | Relationship |
| ISO 6358-3:2014 | Identical |
| VDI 3290 : 1962 | PARAMETERS OF PNEUMATIC APPLIANCES FOR CONTROL SYSTEMS; DIRECTIONAL CONTROL VALVES |
| ISO 5598:2008 | Fluid power systems and components — Vocabulary |
| ISO 6358-2:2013 | Pneumatic fluid power — Determination of flow-rate characteristics of components using compressible fluids — Part 2: Alternative test methods |
| ISO 6358-1:2013 | Pneumatic fluid power — Determination of flow-rate characteristics of components using compressible fluids — Part 1: General rules and test methods for steady-state flow |
| ISO 14743:2004 | Pneumatic fluid power — Push-in connectors for thermoplastic tubes |
| VDMA 24575 : 2007 COR 2 2009 | Fluid power - Flow measurement of pneumatic components - Application of ISO 6358:1989 taking into account the influence of flow velocity - Correction to VDMA 24575:2007-06 |
| EN 1267:2012 | Industrial valves - Test of flow resistance using water as test fluid |
| IEC 60534-1:2005 | Industrial-process control valves - Part 1: Control valve terminology and general considerations |
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