Appendix B - Technical Data
Quincy Compressor
®
- QSB/T
™
75
QSB/T 20
Full Load Operating Pressure
psig
100
125
150
Maximum Operating Pressure
psig
115
140
165
Minimum Operating Pressure
psig
"
75
!
Maximum Ambient Operating Temperature
°F
"
110
!
Minimum Ambient Operating Temperature
°F
"
35
!
Compressor Drive Motor
HP
"
20
!
Full Load Drive Motor HP
BHP
20.8
20.7
20.1
Unloaded Drive Motor HP
BHP
5.4
4.8
4.1
Drive Motor Service Factor
"
1.15
!
Drive Motor Speed
RPM
"
1770
!
Rotor Diameter
mm
"
127.5
!
Male Rotor Speed
rpm
1613
1405
1211
Female Rotor Speed
rpm
1075
937
807
Rotor Tip Speed
m/sec.
10.77
9.38
8.09
Inlet Capacity
acfm
86
73
64
Aftercooling
Heat Rejection:
Fluid Cooler
BTU/min.
750
747
725
Aftercooler
BTU/min.
150
129
107
Aftercooler Approach (standard conditions)
°F
"
9
!
Maximum Allowable Static Backpressure
in./H
2
O
"
0.125
!
Fan Flow
cfm
"
2126
!
Water-cooled Cooling
(Consult factory for water temperatures under 50°F or over 90°F and for water/glycol cooling systems.)
Recommended Inlet Water Pressure
psig
"
40-100
!
Aftercooler Approach to Cooling (water temperature)
°F
"
10
!
Water Flow with Aftercooler at: 50°F
gpm
"
1.5
!
70°F
gpm
"
2.0
!
90°F
gpm
"
3.5
!
Compressor Fluid
Total Fluid Capacity
gallons
"
3.8
!
Reservoir Fluid Capacity
gallons
"
2.5
!
Fluid Flow
gpm
8.4
9.3
11.4
Typical Fluid Carryover
ppm
"
3-5
!
Normal Airend Discharge Temperature
°F
"
175-195
!
Sound (at 1 meter) (Base/Tank)
Unenclosed (AC/WC)
dB(A)
"
77/77
!
Standard Cabinet (AC/WC)
dB(A)
"
74/76
!
Low Sound Cabinet (AC)
dB(A)
"
68/70
!
Summary of Contents for QSB 15 HP
Page 2: ......
Page 9: ...Section I General Quincy Compressor QSB T 5 MODEL IDENTIFICATION ...
Page 21: ...Quincy Compressor QSB T 17 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 27: ...Quincy Compressor QSB T 23 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 71: ...Quincy Compressor QSB T 67 THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 72: ...Appendix A Dimensional Drawings 68 Quincy Compressor QSB T QSB 15 50 HP air cooled ...
Page 73: ...Appendix A Dimensional Drawings Quincy Compressor QSB T 69 QSB 15 50 HP water cooled ...