SLP98UHV / Page 12
VENT LENGTHS - FEET
STANDARD TERMINATION AT ELEVATION 0 - 7500 ft.
Pipe Size 2 in. 2-1/2 in. 3 in.
Input 070 090 110 135 070 090 110 135 070 090 110 135
No. of
90 ELL
1
91 69 N/A N/A 140 93 43 N/A 162 143 118 114
2
86 64 N/A N/A 135 88 38 N/A 157 138 113 109
3
81 59 N/A N/A 130 83 33 N/A 152 133 108 104
4
76 54 N/A N/A 125 78 28 N/A 147 128 103 99
5
71 49 N/A N/A 120 73 23 N/A 142 123 98 94
6
66 44 N/A N/A 115 68 18 N/A 137 118 93 89
7
61 39 N/A N/A 110 63 13 N/A 132 113 88 84
8
56 34 N/A N/A 105 58 N/A N/A 127 108 83 79
9
51 29 N/A N/A 100 53 N/A N/A 122 103 78 74
10
46 24 N/A N/A 95 48 N/A N/A 117 98 73 69
STANDARD TERMINATION AT ELEVATION 7501 - 10,000 ft.
Pipe Size 2 in. 2-1/2 in. 3 in.
Input 070 090 110 135 070 090 110 135 070 090 110 135
No. of
90 ELL
1
66 44 N/A N/A 115 68 N/A N/A 137 118 93 89
2
61 39 N/A N/A 110 63 N/A N/A 132 113 88 84
3
56 34 N/A N/A 105 58 N/A N/A 127 108 83 79
4
51 29 N/A N/A 100 53 N/A N/A 122 103 78 74
5
46 24 N/A N/A 95 48 N/A N/A 117 98 73 69
6
41 19 N/A N/A 90 43 N/A N/A 112 93 68 64
7
36 14 N/A N/A 85 38 N/A N/A 107 88 63 59
8
31 N/A N/A N/A 80 33 N/A N/A 102 83 58 54
9
26 N/A N/A N/A 75 28 N/A N/A 97 78 53 49
10
21 N/A N/A N/A 70 23 N/A N/A 92 73 48 44
CONCENTRIC TERMINATION ELEVATION 0 - 7500 ft.
Pipe Size 2 in. 2-1/2 in. 3 in.
Input 070 090 110 135 070 090 110 135 070 090 110 135
No. of
90 ELL
1
83 67 N/A N/A 130 89 39 N/A 146 139 114 105
2
78 62 N/A N/A 125 84 34 N/A 141 134 109 100
3
73 57 N/A N/A 120 79 29 N/A 136 129 104 95
4
68 52 N/A N/A 115 74 24 N/A 131 124 99 90
5
63 47 N/A N/A 110 69 19 N/A 126 119 94 85
6
58 42 N/A N/A 105 64 14 N/A 121 114 89 80
7
53 37 N/A N/A 100 59 N/A N/A 116 109 84 75
8
48 32 N/A N/A 95 54 N/A N/A 111 104 79 70
9
43 27 N/A N/A 90 49 N/A N/A 106 99 74 65
10
38 22 N/A N/A 85 44 N/A N/A 101 94 69 60
CONCENTRIC TERMINATION ELEVATION 7501 - 10,000 ft.
Pipe Size 2 in. 2-1/2 in. 3 in.
Input 070 090 110 135 070 090 110 135 070 090 110 135
No. of
90 ELL
1
58 42 N/A N/A 105 64 N/A N/A 121 114 89 80
2
53 37 N/A N/A 100 59 N/A N/A 116 109 84 75
3
48 32 N/A N/A 95 54 N/A N/A 111 104 79 70
4
43 27 N/A N/A 90 49 N/A N/A 106 99 74 65
5
38 22 N/A N/A 85 44 N/A N/A 101 94 69 60
6
33 17 N/A N/A 80 39 N/A N/A 96 89 64 55
7
28 12 N/A N/A 75 34 N/A N/A 91 84 59 50
8
23 N/A N/A N/A 70 29 N/A N/A 86 79 54 45
9
18 N/A N/A N/A 65 24 N/A N/A 81 74 49 40
10
13 N/A N/A N/A 60 19 N/A N/A 76 69 44 35