54D5032
7
Termination
cap
Figure 4 — Typical pipe connection
Figure 3 —
Typical vertical flex vent installation
Figure 5 —
Typical horizontal flex vent installation
Storm collar
Flashing
Rigid pipe
length
Flex to pipe
adapter
(FPA/8)
Fire stop
UL1777 flex pipe
DVFA/8 Adapter
Roof support
UL1777
Flex vent
MHSC horizontal
vent termination
Gear
clamps
1¾ in. flexible pipe
and termination outer
collar overlap
Securing screws
(three places
equidistant, just
above gear clamp)
Termination to flex
adapter (FTA7/8)
UL1777
Flex vent
Securing
screws
(3 places
equidistant
just above
gear clamp)
Gear clamp
1¾ in. flexible pipe
and adapter outer
collar overlap
Rigid pipe
length
Gear
clamp
Flex to pipe
adapter
(FPA/8)
FLEx VENT INSTALLATION
3. Do not allow the flexible vent to bend in radius tighter than 5" (127mm). Refer to
Figure 2
.
4. Horizontal runs of flexible vent shall be supported at maximum 2 foot intervals; vertical runs, five feet
intervals. Metal strapping, properly secured, is an acceptable means to support the flexible vent.
5. Flexible vent spacers are to be installed at intervals prescribed by the flexible vent manufacture; and in such a
way as to maintain concentric inner and outer vent spacing.
D. Attaching flexible venting to vertical termination assemblies.
1. When using Simpson pipe, a MHSC flex-to-pipe adaptor and/or rigid pipe section(s) is required to connect the
flexible vent assembly to the vertical termination by using three self penetrating screws.
2. Review
Figure 4
and corresponding instructions for proper overlap, clamp and screw placement.
3. Three each self penetrating screws are drilled opposite one another and below the gear clamp.
4. Use only listed and approved terminations and accessories, installed per the installation instructions and
Figure 3.
E. Installing flexible venting to horizontal termination assemblies.
1. Connect the 4" flexible vent to the horizontal termination as in
Figure 5
.
2. Slide termination cap adapter ring over the termination cap’s outside pipe and secure with three screws.
3. Connect the 7" flexible vent to the termination adapter ring as in
Figure 5.
4. Review
Figure 5
for proper overlap and clamp placement
5. Three each self penetrating screws are drilled opposite one another and below the gear clamp.
6. Use only listed and approved terminations and
accessories, installed per the termination instructions
and
Figure 5.
Содержание 300DVBH
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