ALTITUDE (FT)
UNIT SIZE
024040
036040
024060
036060
048060
036080
048080
060080
048100
0 to 2000
060100
060120
060140
ALTITUDE (FT)
UNIT SIZE
024040
036040
024060
036060
048060
036080
048080
060080
2001 to 3000
048100
060100
060120
060140
ALTITUDE (FT)
UNIT SIZE
024040
036040
024060
036060
048060
036080
048080
060080
3001 to 4000
048100
060100
060120
060140
See notes on page 26.
TABLE 6—MAXIMUM ALLOWABLE PIPE LENGTH (FT)
TERMINATION
PIPE DIA
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
2-1/2 one disk
2 Pipe or 3-In.
Concentric
3† no disk
4† no disk
2-1/2 one disk
3† one disk
2 Pipe or 3-In.
Concentric
3† no disk
4† no disk
TERMINATION
PIPE DIA
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.
3† no disk
Concentric
4† no disk
3† one disk
2 Pipe or 3-In.
3† no disk
Concentric
4† no disk
TERMINATION
PIPE DIA
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
3† no disk
2 Pipe or 3-In.
Concentric
4† no disk
3† one disk
2 Pipe or 3-In.
3† no disk
Concentric
4† no disk
—24—
NUMBER OF 90° ELBOWS
(IN.)*
1
2
1
5
NA
1-1/2
70
70
2
70
70
1-1/2
20
15
2
70
70
1-1/2
10
NA
2
55
50
2-1/2
70
70
2
5
NA
2-1/2
40
30
3
70
70
10
NA
3†
45
40
70
70
70
70
5
NA
40
35
60
56
70
70
NUMBER OF 90° ELBOWS
(IN.)*
1
2
1-1/2
67
62
2
70
70
1-1/2
17
12
2
70
67
2
49
44
2-1/2
70
70
2-1/2
35
26
3
70
70
3
14
9
70
70
70
70
20
15
39
35
70
70
NUMBER OF 90° ELBOWS
(IN.)*
1
2
1-1/2
64
59
2
70
70
1-1/2
16
11
2
68
63
2
46
41
2-1/2
70
70
2-1/2
33
24
3
70
70
65
58
70
70
11
6
30
26
70
70
3
4
5
NA
NA
NA
65
60
60
70
70
70
10
5
NA
70
70
70
NA
NA
NA
35
30
30
70
70
70
NA
NA
NA
20
20
10
70
70
70
NA
NA
NA
35
30
25
70
70
70
70
70
70
NA
NA
NA
30
25
20
52
48
44
70
70
70
3
4
5
57
52
52
70
70
70
7
NA
NA
66
61
61
30
25
25
70
70
70
16
16
6
70
70
66
NA
NA
NA
63
56
50
70
70
70
10
5
NA
31
27
23
70
70
70
3
4
5
54
49
48
70
70
70
6
NA
NA
62
57
57
28
23
22
70
70
70
15
14
5
70
66
61
51
44
38
70
70
70
NA
NA
NA
22
18
14
70
70
70
6
NA
55
70
NA
70
NA
20
70
NA
NA
70
NA
20
70
70
NA
15
40
70
6
47
70
NA
61
15
70
NA
61
NA
43
70
NA
19
70
6
43
70
NA
56
13
70
NA
56
31
70
NA
10
70