Geberit HDPE - Page 29

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Geberit Drainage Systems
Jointing methods
Double Sleeve Coupling
Comprising a double pushfit jointed coupling with
one end containing a grab ring to lock the coupling
onto the pipe.
Installation instructions
Connect the fixed end of the coupling onto the pipe.
NB For use as a
160mm expansion
fitting withdraw
the pipe by 15mm,
maximum of 3m
centres between
fixed points.
Insert the pipe into expansion side of the coupling.
1 The fixed end is
only allowed to be
used with Geberit
Silent-db20 pipes
and fittings.
2 Push fully home.
3 Do not attempt to
withdraw grab.
4 Prepare and
chamfer pipe.
5 Lubricate seal.
6 Push pipe fully
into socket.