Appendix B - Technical Data
QGB 20
Full Load Operating Pressure
psig
100
125
150
175
Max. Operating Pressure
psig
115
140
165
190
Min. Operating Pressure
psig
75
Max. Ambient Operating Temp.
°F
130
Min. Ambient Operating Temp.
°F
40
Compressor Drive Motor
Nameplate HP
20
Inlet Capacity
acfm
89
80
70
59
Service Line Connection Size
In. (FLG)
1
Rotor Diameter
mm
85
Male Rotor Speed
rpm
6589
5962
5287
4602
Male Tip Speed
m/sec
29.3
26.5
23.5
20.5
Aftercooling Data
Heat Rejection - Fluid Cooler
btu/min
728
Aftercooler
btu/min
107
Aftercooler Approach to Cooling
Air (@ std. conditions)
°F
15
Max Static Backpressure
in./H
2
0
0.125
Fan Motor
Nameplate HP
1
Fan Motor
rpm
3524
Fan Flow
cfm
1530
Compressor Fluid Data
Fluid Flow
gpm
5.2
5.8
6.4
6.8
Total Fluid Capacity
gal
2.7
Reservoir Fluid Capacity
gal
1.3
Normal Airend Discharge Temp.
°F
190
Typical Fluid Carryover
ppm
<3
Sound Data (at 1 meter)
Unenclosed
dB(A)
77
Standard Enclosure
dB(A)
70
Energy Consumption (air-cooled)
Full Load Drive Motor HP
Bhp
21.3
Unloaded Drive Motor HP
Bhp
5.2
Fan Motor HP
Bhp
0.8
FL Drive Motor Consumption
kW
17.6
17.08
17.08
17.08
FL Fan Motor Consumption
kW
0.8
0.75
0.75
0.75
Total Package Consumption
kW
18.03
17.93
17.93
17.93
Total Package Specific Power
kW/100 cfm
20.3
22.4
25.6
30.4
bhp/100 cfm
24.8
27.6
31.6
37.5
Dimensions
Length
in (mm)
63 (1600)
Width
in (mm)
34 (834)
Height
in (mm)
47 (1190)
86
Quincy Compressor-QGB
™
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