Model VIP+
20
Owner's Manual
Bellows Joint
1.
For exhaust pressure up to 60 inches of water column, it will
compensate for up to 3" max of expansion. See
Table 10
for
maximum run with one bellow.
2.
Bellow Joints comes with a liner to protect the bellow and to have a
smooth flow.
3.
Installation is done the same way as described in the
Chimney Joint
Connection
Section.
4.
Bellow Joint is used for axial movements and vibration only and must
be accurately supported and guided. This part has limited lateral
movement. Lateral offsets and parallel misalignments should be
avoided.
5.
The lined bellows requires careful positioning of piping guides to avoid
interference on thermal expansion.
Figure 31
Table 10 - Maximum Run with One Bellows Joint (3" expansion)
Operating temp. [°F]
Max distance for one bellow joint [feet]
700
42.8
800
37.5
900
33.3
1000
30.0
1100
27.3
1200
25.0
1300
23.1
1400
21.4
