NBN EN 14267 : 2004 COR 2008

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
   4.1 By function
   4.2 By dimension
   4.3 By PN
   4.4 By flow-rate limiter class
5 Quality of irrigation waters
   5.1 General
   5.2 Water quality 1a
   5.3 Water quality 1b
   5.4 Water quality 1c
   5.5 Water quality 2
6 Requirements
   6.1 Dimensional hydrant specifications
   6.2 Requirements for total head loss in the hydrant
   6.3 Conception requirement
7 Connection to the user network
   7.1 Connection piece
   7.2 Closure of the connection piece
   7.3 Decompression valve
   7.4 Protection device
8 Testing and inspection methods
   8.1 Resistance to internal pressure of casing and all components
        subjected to pressure
   8.2 Tightness and hydraulic or air characteristics
   8.3 Verification of the manoeuvring torque
   8.4 Measurement of total head loss
   8.5 Pressure ram test
   8.6 Performance of the pressure regulator
   8.7 Flow-rate limiter performances
   8.8 Performance of meters
   8.9 Measurement and test apparatus
   8.10 Endurance test of the stopper device
9 Marking
   9.1 General
   9.2 Of meters
   9.3 Of hydrant bodies
   9.4 Of outlets
10 Designation
Annex A (informative) Irrigation hydrant - Example of technical data
        sheet (responsibility of the manufacturer)
        A.1 Identification of the hydrant
        A.2 Hydrant body
        A.3 Outlets
        A.4 Particular functions
        A.5 Methods of use
Bibliography

Applies to irrigation hydrants intended to supply equipment for use in water distribution irrigation networks.