Page 54 - Building services book
P. 54

Paip uPVC (Uniplastic Polyvinyl Chloride)













                  Specification                               Advantages                                 Disadvantages



        Standard length 6                          Corrosion                                 Susceptable to

        meter                                      resistant                                  impact damage

         Norminal diameter  Relatively light-                                               Susceptible to poor

        80mm to 575mml                             weight                                     installation practice

         Used for cold water  Easy of jointing                                               Leakage detection

        service and                                                                           complicated

        distribution pipes,                                                                    Susceptible to
        water main and                                                                        permeation/

        drainage pipes                                                                        degradation by

        systems.                                                                              certain organic
        •Not suitable for hot

        water                                                                                 contaminants
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