BS ISO 7714:2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Agricultural irrigation equipment. Volumetric valves. General requirements and test methods
Hardcopy , PDF
05-15-2018
English
05-31-2009
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
4.1 According to accuracy of cumulative volume counter
4.2 According to method of operation as a system of
volumetric valves
5 Markings
6 Technical requirements
6.1 General
6.2 Threaded and flanged connections
6.3 Metrological requirements
7 Mechanical, functional and accuracy tests
7.1 General
7.2 Accuracy of measuring devices
7.3 Sampling and minimum acceptance requirements
7.4 Test of resistance to hydrostatic pressure
7.5 Test of manual opening and closing
7.6 Tests of accuracy
7.7 Pressure loss
7.8 Endurance tests
8 Information to be supplied by the manufacturer
Annex A (informative) - Quality of irrigation water
Bibliography
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