Appendix B - Technical Data
QGV-75
s
Tandard
Full Load operating Pressure
psig
100
110
125
150
Minimum Operating Pressure
psig
75
Maximum Ambient Operating Temperature:
Less Cabinet
°F
5
With Cabinet
°F
0
Minimum Ambient Operating Temperature
°F
40
Compressor Drive Motor
HP
75
Rotor Diameter
mm
204
Male Rotor Speed
rpm
2830
2685
2540
2265
Rotor Tip Speed
m/sec.
30.2
28.7
27.
24.2
Maximum Inlet Capacity
acfm
380
360
345
302
Minimum Inlet Capacity
acfm
74
69
68
6
Service Line Connection Size
in. (npt)
2
aftercooling
Heat Rejection: Fluid Cooler
BTU/min.
3070
3072
3078
3080
Aftercooler
BTU/min.
530
528
525
528
Aftercooler Approach (standard conditions)
°F
5-7
Maximum Allowable Static Backpressure
in./H
2
O
0.25
Fan Motor
HP
5
Fan Motor
rpm
743
Fan Flow
cfm
6290
Water-cooled Cooling
Water In/Out Size
In. (npt)
Recommended Inlet Water Pressure
psig
45-00
Vent Fan Motor
HP
/9
Aftercooler Approach to Cooling:
Water Temperature
°F
3-8
Water Flow with Aftercooler at:
70°F
gpm
0
90°F
gpm
8
Consult factory for water temperatures under 50ºF or over 90ºF and for water/glycol cooling systems.
Compressor Fluid
Total Fluid Capacity
gallons
4
Reservoir Fluid Capacity
gallons
Fluid Flow
gpm
23.6
Typical Fluid Carryover
ppm
-3
Normal Airend Discharge Temperature
°F
95
Sound (at 1 meter)
Unenclosed (AC/WC)
dB(A)
83/8
Standard Cabinet (AC/WC)
dB(A)
79/77
Quincy Compressor-QGV Series
75
Summary of Contents for QGV Series
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