Operating procedure – Grain Systems PNEG-591 User Manual
Page 19
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19
Series 2000 Downwind Heater
1
2
3
4
5
6
7
ALL
MODELS
1,597,824
2,266,320
2,770,656
3,195,648
3,573,216
3,919,776
4,234,416
Fan
Static
Model
Pressure
60
80
100
120
140
160
180
2"
0.75
1.25
1.75
2.5
3.25
4.25
5.5
20 hp
4"
0.5
1
1.5
2
2.75
3.5
4.5
6"
0.5
0.75
1.25
1.75
2.25
3
3.75
2"
1
1.75
2.25
3.5
4.75
6.25
25 hp
4"
0.75
1.5
2.25
3.25
4
5.25
6.25
6"
0.5
1.25
1.75
2.5
3.25
4.25
5.5
2"
1.25
2
3
4.5
6
30 hp
4"
1
1.75
2.75
3.75
5
7
6"
0.75
1.5
2.25
3
4
5.25
7
2"
1.75
3
4.5
6.25
40 hp
4"
1.5
2.5
4
5.5
6"
1.25
2.25
3.5
4.75
6.75
OPERATING PRESSURE (psi)
Gauge Pressure (psi) Required to Maintain Temperature (Approximate)
(20-40 hp High Temperature Natural Gas Units Only)
Heat Rise (°F)
20-40 hp Units
BTUs Per Gauge Pressure (psi) NATURAL GAS MODELS (Approximate)
High Temperature 20-40hp 15/32" (0.469") Orifice
OPERATING PROCEDURE
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