Sets out the material, dimensions, properties, tests and marking requirements for black polyethylene pipe of Type 3 for use in cold water services, and in flush, overflow, warning and waste-pipe applications. The type designation refers to the maximum working stress of the material at 20 degrees C, in megapascals, when in pipe form.
Date published: 01/08/1978
Download the New Zealand standard NZS 7601:1978 [PDF, 3 MB]
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