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NZS 7646 PDF
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Specification for polyethylene pipes and fittings for gas reticulation
| Published by | Publication Date | Number of Pages |
| NZS | 07/01/1978 | 23 |
NZS 7646 – Specification for polyethylene pipes and fittings for gas reticulation
Specifies the material, dimensions, properties, tests, colour and marking requirements for polyethylene pipes and fusion fittings for use in gas mains and services. Provides for 5 classes of pipe having standard dimension ratios (SDR) of 11, 17, 21, 26 and 32 suitable for maximum pressures of 100 to 420 kPa.
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