ISO 3459:2022
Plastic piping systems — Mechanical joints between fittings and pressure pipes — Test method for leaktightness under negative pressure
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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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test parameters and requirements
6 Apparatus
6.1 Apparatus for Procedure A
6.2 Apparatus for Procedure B
7 Test pieces
8 Procedure A: Pressure outside
9 Procedure B: Vacuum inside
10 Test report
Annex A (normative) Test parameters
Previous versions
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test parameters and requirements
6 Apparatus
6.1 Apparatus for Procedure A
6.2 Apparatus for Procedure B
7 Test pieces
8 Procedure A: Pressure outside
9 Procedure B: Vacuum inside
10 Test report
Annex A (normative) Test parameters