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BSI BS ISO 9644:2018

Agricultural irrigation equipment. Pressure losses in irrigation valves. Test method
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BSI BS ISO 9644:2018

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

PUBLISH DATE 2018
PAGES 26
BSI BS ISO 9644:2018

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.

SDO BSI: British Standards Institution
Document Number ISO 9644
Publication Date Aug. 21, 2018
Language en - English
Page Count
Revision Level
Supercedes
Committee W/-
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