OS GSO ISO 3459:2025
ISO 3459:2022
Omani Standard
Current Edition
·
Approved on
14 October 2025
Plastic piping systems — Mechanical joints between fittings and pressure pipes — Test method for leaktightness under negative pressure
OS GSO ISO 3459:2025 Files
English
6 Pages
Current Edition
Reference Language
OMR
20.35
OS GSO ISO 3459:2025 Scope
This document specifies two methods of testing for checking the leaktightness of assembled joints between mechanical fittings and plastic pressure pipes with diameters up to and including 63 mm. The test applies regardless of the design and material of the fitting used for jointing plastics pipe.
This test method is not applicable to fusion-welded joints.
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