Appendix A - Technical Data
122
Quincy Compressor-QSI
®
QSI 245
Standard
Full Load Operating Pressure
psig
100
110
125
150
Maximum Operating Pressure
psig
115
125
140
165
Minimum Operating Pressure
psig
75
Maximum Ambient Operating Temperature:
Less Cabinet
°F
120
With Cabinet
°F
115
Minimum Ambient Operating Temperature
°F
32
Compressor Drive Motor
HP
50 60
Rotor Diameter
mm
204
Male Rotor Speed
rpm
1775 1785
Female Rotor Speed
rpm
1183 1190
Rotor Tip Speed
m/sec.
18.96
19.07
Inlet
Capacity
acfm
246 245 243 241
Displacement at Operating Speed
cfm
264
265.5
Volumetric Efficiency
%
93.2
92.8
91.5
90.8
Aftercooling
Heat Rejection:
Fluid Cooler
BTU/min.
1893
1994
2124
2387
Aftercooler
BTU/min.
352
Aftercooler Approach (standard conditions)
°F
3-5
Maximum Allowable Static Backpressure
in./H
2
O
0.125
Fan Motor
HP
2
Fan Motor
rpm
1725
Fan Flow
cfm
5500
Water-cooled Cooling
Recommended Inlet Water Pressure
psig
40-100
Vent Fan Motor
HP
1/9
Aftercooler Approach to Cooling:
Water Temperature
°F
13-18
Water Flow less Aftercooler at: 50°F
gpm
3.5
4
70°F gpm
5.3
6.7
90°F gpm
12.5
22
Water Flow with Aftercooler at: 50°F
gpm
4.5
5.3
70°F gpm
6.8
8.6
90°F gpm
16 28
Compressor Fluid
Total Fluid Capacity
gallons
11
Reservoir Fluid Capacity
gallons
7.4
Fluid Flow
gpm
19
Typical Fluid Carryover
ppm
1.5-5
Normal Airend Discharge Temperature
°F
175-195
Sound (at 1 meter)
Unenclosed (AC/WC)
dB(A)
82/80
Standard Cabinet (AC/WC)
dB(A)
76/73
Low Sound Cabinet (AC)
dB(A)
71
Содержание QSI Series
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Страница 7: ...Section I General Quincy Compressor QSI 5 MODEL IDENTIFICATION...
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