BS ISO 11738:2021
$142.49
Agricultural irrigation equipment. Control heads
| Published By | Publication Date | Number of Pages |
| BSI | 2021 | 24 |
This document specifies requirements for the components and method of installation of pressurized irrigation system control heads, referred to hereinafter as irrigation control heads, with a nominal size of up to and including 200 mm (nominal size of an irrigation control head or nominal size of a component).
This document is applicable only to the above-ground components of irrigation control heads for sprinkler irrigation and micro-irrigation (mini-sprinklers, drip irrigation, etc.). It is applicable to the basic irrigation control head, on which other irrigation control and command components (electrical, electronic and hydraulic) can be assembled, but does not deal with these additional components.
This document is not applicable to systems and/or components that can be required to prevent the water from freezing in the irrigation control head, such as dry-barrel hydrants or other types of hydrants.
This document does not specify construction or operating requirements for the individual components that make up the irrigation control head. These requirements are specified in the relevant standards for each component.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 10 | 4 Classification 4.1 General 4.2 Irrigation control head for filtration 4.3 Irrigation control head for automation 4.4 Irrigation control head for pressure or flow regulation 4.5 Irrigation control head for chemigation 4.6 Irrigation control head for measuring flow rate and/or volume 4.7 Irrigation control head for safety 5 General requirements |
| 11 | 6 Materials |
| 12 | 7 Installation of the components |
| 14 | 8 Test methods and requirements 8.1 Visual inspection |
| 15 | 8.2 In situ test of resistance and watertightness under hydraulic pressure 8.3 Test of operation 9 Marking |
| 17 | Annex A (informative) Irrigation control heads ā Examples |
| 22 | Bibliography |
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