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ISO 9644

Agricultural irrigation equipment - Pressure losses in irrigation valves - Test method

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Organization: ISO
Publication Date: 1 August 2018
Status: active
Page Count: 24
ICS Code (Irrigation and drainage equipment): 65.060.35
scope:

This document applies to manually-activated valves only.

This document specifies a test method for determining the pressure loss in agricultural irrigation valves under steady-state conditions when water flows through them. The scope and accuracy of the valve performance specifications presented will assist agricultural irrigation system designers in comparing pressure losses through various types of valves.

The measurement of pressure losses provides a means for determining the relationship between pressure loss and flow rate through the valve.

This document also describes the method of reporting pertinent test data.

No attempt is made to define product use, design or applications.

The test method is suitable for valves with equal inlet and outlet nominal sizes.

Document History

ISO 9644
August 1, 2018
Agricultural irrigation equipment - Pressure losses in irrigation valves - Test method
This document applies to manually-activated valves only. This document specifies a test method for determining the pressure loss in agricultural irrigation valves under steady-state conditions when...
July 1, 2008
Agricultural irrigation equipment — Pressure losses in irrigation valves — Test method
This International Standard specifies a test method for determining the pressure loss in agricultural irrigation valves under steady-state conditions when water flows through them. The scope and...
August 15, 1998
Agricultural irrigation equipment - Pressure losses in irrigation valves - Test method AMENDMENT 1
A description is not available for this item.

References

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