
Appendix A - Technical Data
Quincy Compressor-QSI
®
129
QSI 1250
Standard
Full Load Operating Pressure
psig
100
110
125
Maximum Operating Pressure
psig
115
125
140
Minimum Operating Pressure
psig
75
Maximum Ambient Operating Temperature:
Less Cabinet
°F
115
With Cabinet
°F
110
Minimum Ambient Operating Temperature
°F
32
Compressor Drive Motor
HP
250 300
Rotor Diameter
mm
321
Male Rotor Speed
rpm
1790 1785
Female Rotor Speed
rpm
1193 1190
Rotor Tip Speed
m/sec.
30.11
30.03
Inlet
Capacity
acfm
1269 1264 1255
Displacement at Operating Speed
cfm
1389 1385
Volumetric Efficiency
%
91.3
91
90.6
Aftercooling
Heat Rejection:
Fluid Cooler
BTU/min.
9592
10096
10853
Aftercooler
BTU/min.
1913
2014
2165
Aftercooler Approach (standard conditions)
°F
3-5
Maximum Allowable Static Backpressure
in./H
2
O
0.125
Fan Motor
HP
10
Fan Motor
rpm
1170
Fan Flow
cfm
26500
Water-cooled Cooling
Recommended Inlet Water Pressure
psig
40-100
Vent Fan Motor
HP
1/2
Aftercooler Approach to Cooling:
Water Temperature
°F
13-18
Water Flow less Aftercooler at: 50°F
gpm
13.9
17.2
70°F gpm
19.9
26.4
90°F gpm
36.7
62.5
Water Flow with Aftercooler at: 50°F
gpm
18.5
22.9
70°F gpm
25
33.8
90°F gpm
47 80
Compressor Fluid
Total Fluid Capacity
gallons
55
Reservoir Fluid Capacity
gallons
46.5
Fluid Flow
gpm
59.5
Typical Fluid Carryover
ppm
1.5-5
Normal Airend Discharge Temperature
°F
175-195
Sound (at 1 meter)
Unenclosed (AC/WC)
dB(A)
95/92
Standard Cabinet (AC/WC)
dB(A)
91/84
Low Sound Cabinet (AC)
dB(A)
85
Содержание QSI Series
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Страница 7: ...Section I General Quincy Compressor QSI 5 MODEL IDENTIFICATION...
Страница 62: ...Section IV Operating Procedures 60 Quincy Compressor QSI 1 Week Timer 2 Remaining Running Time...
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