40
GNA-2538 R0
Table 7.
BTU'S per Gauge Pressure (PSI) - Propane Models (Approximate)
Model
Gas Manifold Pressure -PSI
Orifice
dia"
2
4
6
8
10
12
14
16
18
20
24"
0.14
308900
436800
534900
617800
690600
756600
817100
873600
926600
976700
0.2
630300
891400
1091700
1260600
1409400
1543900
1667600
1782800
1890900
1993200
28"
0.156
383500
542300
664200
766700
857500
939300
1014600
1084600
1146100
1208100
0.25
984900
1392800
1705800
196700
2202200
2412400
2605700
2785600
2943500
3102700
Table 8.
Gauge Pressure (PSI) Required to Maintain Temperature Rise - Propane Models (Approximate)
Heat Rise (F)
Model
Orifice
Diameter
Static
Pressure
in wc
50
60
70
80
90
100
110
120
130
140
150
160
7.5HP
24" dia
.14"
1
8
11
15
19
20
2
6
8
11
15
17
19
20
3
5
6
8
11
12
14
17
20
4
3
5
6
8
9
10
12
14
16
18
20
5
.20"
1
2
3
4
5
6
7
8
9
10
11
2
1
2
3
4
5
6
7
8
9
3
1
2
3
4
5
6
7
8
4
1
2
3
4
5
6
6
5
10HP
24" dia
.14"
1
11
15
19
20
2
8
12
15
17
20
3
7
10
12
16
18
20
4
6
9
11
14
17
19
5
3
4
5
7
8
9
11
13
15
17
19
.20"
1
1
2
3
4
5
6
7
8
9
10
11
13
2
1
2
3
4
5
6
7
8
8
9
3
1
2
3
4
5
6
7
8
10
4
1
2
3
4
5
6
7
8
5
1
2
3
4
5
7
15HP
28"dia
0.155"
1
13
16
18
20
2
8
10
12
15
18
3
3
4
5
6
7
8
9
11
13
14
16
16
4
1
2
3
4
5
6
7
8
9
5
.25"
1
2
3
4
6
7
9
10
11
12
13
14
16
2
1
2
4
5
6
7
8
9
10
11
12
3
1
3
4
5
6
7
8
9
4
1
2
3
4
5
6
7
5
AXIAL FAN HEATER – LP AND NG-FIRED HEATER