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sklademVydáno: 2020-08-18
BS ISO 8779:2020
Plastics piping systems. Polyethylene (PE) pipes for irrigation. Specifications
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| Označení normy: | BS ISO 8779:2020 |
| Počet stran: | 22 |
| Vydáno: | 2020-08-18 |
| ISBN: | 978 0 580 98408 2 |
| Status: | Standard |
Popis
BS ISO 8779:2020
This standard BS ISO 8779:2020 Plastics piping systems. Polyethylene (PE) pipes for irrigation. Specifications is classified in these ICS categories:
- 23.040.20 Plastics pipes
- 65.060.35 Irrigation and drainage equipment
This document specifies the characteristics of pipes (mains, sub-mains and laterals) made from polyethylene (PE), intended for the conveyance of water for irrigation, at a water temperature up to 45 °C.
NOTE 1
For the effect of water temperature on the maximum operating pressure, see Annex A.
This document applies to pipes that will not be subjected to internal pressure for long periods, and not more than 1 500 hours/year. For piping applications with long-term continuous pressure, the ISO 4427 series applies.
NOTE 2
The expected lifetime of pipes covered by this document is ten years or less.
This document also specifies the properties of the material and the parameters for the test methods to which it refers.