NZS 7646:1978 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.

Status: Current

Date published: 01/07/1978

Download the New Zealand standard NZS 7646:1978 [PDF, 1.5 MB]


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