15
6.3
Hose to Pipework
1.
The hoses are fitted with plastic push-in connectors, which must only
be connected with the following:
a.
15 mm diameter copper pipe to BS EN 1057 R250 (half hard)
(Table 3).
b.
15 mm plastic pipe to BS 7291 part 1 and part 2 (Table 1), or part 3
(Table 1) plus internal support sleeve*.
* The internal bore of the plastic pipe must be supported against
collapse with the pipe manufacturers recommended support sleeve
(pipe insert).
c.
Appropriate plumbing fitting that provides a leak tight connection.
Ensure the pipe is free from all score marks and deformities in the
area of the insertion depth (Figure 9) and cut the pipe square,
removing all burrs and sharp edges to prevent damage to the
sealing ‘O’-ring.
Prior to inserting pipe into fitting, mark the insert depth on the wall of
the pipe with a soft pencil at a distance of 31 mm from the end to be
inserted (Figure 9).
Figure 9
15mm pipe
In
ser
t d
ep
th
=
3
1mm
Pencil mark
Summary of Contents for ST PUMP 15TN
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