NZS 7646:1978 Specification for polyethylene pipes and fittings for gas reticulation - SPONSORED

Abbreviation: NZS 7646:1978
Valid from: 30/06/1978

Information provider: Standards New Zealand
Author: Standards New Zealand
Information type: New Zealand Standard

Cited By: This resource is cited by 4 documents (show Citations)
Cites: This resource cites 5 documents (show Citations)

Description

This Standard 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 of 11, 17, 21, 26 and 32 suitable for maximum pressures of 100 to 420 kPa.

Scope

Part 1 of this Standard applies to polyethylene pipe for use in gas mains and services for direct burial and reliner applications. Such pipe is intended for use in the distribution of natural gas at pressures up to 4.2 bar (420 kPa).

It also applies to pipe for use with gas produced from liquefied petroleum gas (LPG) and mixtures of LPG and air where the partial pressure of the LPG component does not exceed 2 bar (200 kPa).

The pipe shall be formed from compound complying with AS 1685 which provides only for a high density polyethylene, coloured yellow.

This Standard does not apply to pipe for use with petroleum liquids, including liquid LPG and liquid pentane, or with manufactured or mixed gas distribution systems or systems which may contain more than 1 percent aromatics.

For assistance with locating previous versions, please contact the information provider.

Notes/comments

The Building System Performance branch of MBIE has sponsored access to view and print a single downloadable PDF copy of this standard at no charge.

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For assistance with locating previous versions, please contact the information provider.

The Building System Performance branch of MBIE has sponsored access to view and print a single downloadable PDF copy of this standard at no charge.

This resource is cited by: