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DUCT TERMINATORS / TERMINATOR PANELS
APPLICATION:
Duct terminators and terminator
panels are designed for easy, time-saving installation and termination
of all types and sizes of duct. Formex can manufacture duct terminators
as either modular or complete panels, as single hole Form-A-Duct
terminators, and as square to round terminators for situations where
utility standards require the interfacing of square and round conduit.
Duct terminators can be supplied with different size nominal openings
in the same unit, with a maximum of four ducts abreast. If more
than four ducts abreast are required, use combinations of terminators
with two, three, or four ducts. These may be placed on the outer
form jacket butted side by side to achieve any number of openings
per tier.
CONSTRUCTION:
Formex duct terminators are made of high impact,
high strength ABS plastic. Their structural strength is unimpaired
by normal concrete curing temperatures. Duct terminators can be
manufactured with watertight membranes located at the shoulders.
This feature eliminates the added cost of plugs to block openings
until duct is brought to the manhole and/or vault. After all ducts
have been terminated, membranes may be removed with a knife, or
with a hammer and chisel. Duct lines may be individually sealed
using reusable Formex twist locking caps in conjunction with a nonsetting
sealing compound. For gas traps and similar applications, duct terminators
can be manufactured without shoulders.
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Duct Terminators can be supplied with
different nominal size openings in the same unit. Here is a terminator
designed to accept two 5" ducts and one 2" duct.
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| If more than four openings abreast are
required, use combinations of terminators with two, three, or four
openings. These may be placed on the outer form jacket butted side
by side to achieve any number of openings per tier. |
| 1" SEPARATION |
| DUCT |
A |
CH |
CV |
B |
| SIZE |
2-WAY |
3-WAY |
4-WAY |
| 2" |
7 3/8 |
10 13/16 |
14 1/4 |
3 7/16 |
3 7/16 |
4 3/16 |
| 3" |
9 5/8 |
14 3/16 |
18 3/4 |
4 9/16 |
4 9/16 |
5 5/16 |
| 4" |
11 5/8 |
17 3/16 |
22 3/4 |
5 9/16 |
5 9/16 |
6 5/16 |
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| 1 1/2" SEPARATION |
| DUCT |
A |
CH |
CV |
B |
| SIZE |
2-WAY |
3-WAY |
4-WAY |
| 2" |
7 7/8 |
11 13/16 |
15 3/4 |
3 15/16 |
3 15/16 |
4 11/16 |
| 3" |
10 1/8 |
15 3/16 |
20 1/4 |
5 1/16 |
5 1/16 |
5 13/16 |
| 4" |
12 1/8 |
18 3/16 |
24 1/4 |
6 1/16 |
6 1/16 |
6 13/16 |
| 5" |
14 1/4 |
21 3/8 |
28 1/2 |
7 1/8 |
7 1/8 |
7 7/8 |
| 6" |
16 3/8 |
24 9/16 |
32 3/4 |
8 3/16 |
8 3/16 |
8 15/16 |
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| 2" SEPARATION |
| DUCT |
A |
CH |
CV |
B |
| SIZE |
2-WAY |
3-WAY |
4-WAY |
| 2" |
9 1/8 |
13 11/16 |
18 1/4 |
4 9/16 |
4 9/16 |
5 5/16 |
| 3" |
11 1/8 |
16 11/16 |
22 1/4 |
5 9/16 |
5 9/16 |
6 5/16 |
| 4" |
13 1/8 |
19 11/16 |
26 1/4 |
6 9/16 |
6 9/16 |
7 5/16 |
| 5" |
15 1/4 |
22 7/8 |
30 1/2 |
7 5/8 |
7 5/8 |
8 3/8 |
| 6" |
17 1/4 |
25 7/8 |
N/A |
8 5/8 |
8 5/8 |
9 3/8 |
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| 3" SEPARATION |
| DUCT |
A |
CH |
CV |
B |
| SIZE |
2-WAY |
3-WAY |
4-WAY |
| 2" |
11 1/8 |
16 11/16 |
22 1/4 |
5 9/16 |
5 9/16 |
6 5/16 |
| 3" |
13 1/8 |
19 11/16 |
26 1/4 |
6 9/16 |
6 9/16 |
7 5/16 |
| 4" |
15 1/4 |
22 7/8 |
30 1/2 |
7 5/8 |
7 5/8 |
8 3/8 |
| 5" |
17 1/4 |
25 7/8 |
N/A |
8 5/8 |
8 5/8 |
9 3/8 |
| 6" |
19 1/4 |
28 7/8 |
N/A |
9 5/8 |
9 5/8 |
10 3/8 |
| A |
TYPE
OF SPACER |
T - Terminator
Module (Interlocking)
KT - Terminator
Panel
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| B |
Nominal
size of duct to be used |
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| C |
TYPE
OF DUCT |
A - Plastic
duct; Iron pipe size
T - Bell
spec AT 8546, Plastic duct
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| D |
Number
of horizontal openings per Terminator Module |
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| E |
Nominal
horizontal separations of Terminator openings in 1/10" |
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| F |
Nominal
vertical separations of Terminator openings in 1/10". |
| A |
B |
C |
D |
E |
F |
TYPE OF
TERMINATOR |
NOMINAL
DUCT SIZE |
TYPE OF
DUCT |
DUCTS PER
TIER |
HORIZONTAL
SEPARATION |
VERTICAL
SEPARATION |
| T |
5 |
A |
3 |
20 |
20 |
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