21/30429636 DC

This standard 21/30429636 DC BS EN ISO 3459. Plastic piping systems. Mechanical joints between fittings and pressure pipes. Test method for leak tightness under negative pressure is classified in these ICS categories:

• 23.040.60 Flanges, couplings and joints

This International Standard 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.