ALTITUDE (FT)
0 to 2000
ALTITUDE (FT)
200t to 3000
ALTITUDE (FT)
3001 to 4000
See notes at end of table
TaNe 7--Maximum AHowaNe Pipe Length (ft)
UNiT SIZE
040-08
040-12
060-08
060-12
060-16
080-12
080-16
080-20
100-16
100-20
120-20
140-20
UNIT SIZE
040-08
040-12
060-08
060-12
060-16
080-12
080-16
080-20
100-16
100-20
120-20
140-20
UNIT SIZE
040-08
040-12
060-08
060-12
060-16
080-12
080-16
080-20
100-16
100-20
120-20
140-20
TERMINATION
TYPE
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 3-in
Concentric
2 Pipe or 3-in.
Concentric
2 Pipe or 3-in.
Concentric
TERMINATION
TYPE
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 3-in
Concentric
2 Pipe or 3-in.
Concentric
2 Pipe or 3-in.
Concentric
TERMINATION
TYPE
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 2-in
Concentric
2 Pipe or 3-in
Concentric
2 Pipe or 3-in.
Concentric
2 Pipe or 3-in.
Concentric
PiPE DIA
(IN.)*
1
1-1/2
2
1-1/2
2
1-1/2
2
2-1/2
2
2-1/2
3
2-1/2 one disk
31
3t no disk
2-1/2 one disk
31- one disk
31- no disk
41- no disk
PIPE DIA
fiN.)*
1-1/2
2
1-1/2
2-1/2
2-1/2
3
3
31- no disk
41- no disk
31- one disk
31- no disk
41- no disk
PIPE DIA
(In.)*
1-1/2
2
1-1/2
2
2-1/2
2-1/2
3
31- no disk
41- no disk
31- one disk
31- no disk
41- no disk
NUMBER OF 90 ° ELBOWS
1 2 3 4 5 6
5 NA NA NA NA NA
70 70 65 60 60 55
70 70 70 70 70 70
20 15 10 5 NA NA
70 70 70 70 70 70
10 NA NA NA NA NA
55 50 35 30 30 20
70 70 70 70 70 70
5 NA NA NA NA NA
40 30 20 20 10 NA
70 70 70 70 70 70
10 NA NA NA NA NA
45 40 35 30 25 20
70 70 70 70 70 70
5 NA NA NA NA NA
40 35 30 25 20 15
60 56 52 48 44 40
70 70 70 70 70 70
NUMBER OF 90 ° ELBOWS
1 2 3 4 5 6
67 62 57 52 52 47
70 70 70 70 70 70
17 12 7 NA NA NA
70 67 66 61 61 61
49 44 30 25 25 15
70 70 70 70 70 70
35 26 16 16 6 NA
70 70 70 70 66 61
14 9 NA NA NA NA
70 70 63 56 50 43
70 70 70 70 70 70
20 15 10 5 NA NA
39 35 31 27 23 19
70 70 70 70 70 70
NUMBER OF 90 ° ELBOWS
1 2 3 4 5 6
64 59 54 49 48 43
70 70 70 70 70 70
16 11 6 NA NA NA
68 63 62 57 57 56
46 41 28 23 22 13
70 70 70 70 70 70
33 24 15 14 5 NA
70 70 70 66 61 56
65 58 51 44 38 31
70 70 70 70 70 70
11 6 NA NA NA NA
30 26 22 18 14 10
70 70 70 70 70 70
NOTE: See label on vent extension pipe %r proper installation
This pipe may be shortened if an elbow is used to connect vent
extension robe to/1old-installed vent pipe.
3. Working flora [i/mace to outside, cut pipe to required
length(s).
29
4 Deburr inside and outside of pipe.
5. (hamfcr outside edge of pipe [br better distribution of primer
and cement.
6. (lean and dV all surg_ces to be joined.
7. (hock dry fit of pipe and mark insertion depth on pipe.