BS ISO 9635-3:2014
$102.76
Agricultural irrigation equipment. Irrigation valves – Check valves
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 16 |
This part of ISO 9635 specifies construction and performance requirements and test methods for check valves, intended for operation in irrigation systems with water at temperatures not exceeding 60 °C, which can contain fertilizers and other chemicals of the types and concentrations used in agriculture.
It is applicable to hydraulically operated check irrigation valves of DN 15 diameter or greater, designed to operate in the fully open and fully closed positions, but which can also operate for extended time periods in any intermediate position.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 6 | Foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Design requirements |
| 8 | 5 Performance requirements 5.1 Mechanical strength |
| 9 | 5.2 Watertightness and airtightness |
| 10 | 5.3 Hydraulic characteristics 5.4 Resistance to chemicals and fertilizers 5.5 Endurance 6 Conformity assessment 6.1 General 6.2 Type tests 6.3 Control of production process and quality system |
| 11 | 7 Marking 8 Packaging |
| 12 | Annex A (normative) Test method for endurance of check valves |
| 13 | Bibliography |
