Page 127 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)
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Chapter 2 Common processes and techniques
STEP 4 Lubricate the end of the pipe using silicone STEP 5 Check that the seal is in the correct position
grease. Do not use liquid soap as this can adversely in the fitting.
affect the rubber seal.
STEP 6 Push the pipe all the way into the fitting and STEP 7 Withdraw the pipe 10 mm from the fitting. This is to
mark the pipe at the end of the fitting using a pencil. allow for expansion of the pipe. Fittings must be supported
by a pipe bracket to prevent the fitting from slipping.
p Figure 2.36 Making a push-fit joint
Fittings for PVCu soil/vent and waste pipe installations
Fittings for PVCu and MuPVC soil/vent and waste pipes are of the same size.
This means that the two systems are interchangeable. Table 2.28 lists some of
the more common types of soil pipe fitting.
Table 2.28 Common soil pipe fittings
90° bends 45° bends Junctions Sockets
Boss pipes Strap boss Access pipes
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