Appendix B - Technical Data
Quincy Compressor
®
- QSB/T
™
79
QSB/T 50
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
"
50
!
Full Load Drive Motor HP
BHP
55.0
55.1
55.5
Unloaded Drive Motor HP
BHP
"
12.5
!
Drive Motor Service Factor
"
1.15
!
Drive Motor Speed
RPM
"
1775
!
Rotor Diameter
mm
"
127.5
!
Male Rotor Speed
rpm
4306
3846
3523
Female Rotor Speed
rpm
2870
2564
2349
Rotor Tip Speed
m/sec.
28.63
25.57
23.42
Inlet Capacity
acfm
235
206
187
Aftercooling
Heat Rejection:
Fluid Cooler
BTU/min.
1983
1987
2001
Aftercooler
BTU/min.
"
350
!
Aftercooler Approach (standard conditions)
°F
"
15
!
Maximum Allowable Static Backpressure
in./H
2
O
"
0.125
!
Fan Flow
cfm
"
6200
!
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
"
15
!
Water Flow with Aftercooler at: 50°F
gpm
"
4.0
!
70°F
gpm
"
5.6
!
90°F
gpm
"
9.4
!
Compressor Fluid
Total Fluid Capacity
gallons
"
4.5
!
Reservoir Fluid Capacity
gallons
"
2.5
!
Fluid Flow
gpm
9.9
11.0
13.4
Typical Fluid Carryover
ppm
"
3-5
!
Normal Airend Discharge Temperature
°F
"
175-195
!
Sound (at 1 meter) (Base/Tank)
Unenclosed (AC/WC)
dB(A)
"
88/89
!
Standard Cabinet (AC/WC)
dB(A)
"
85/85
!
Low Sound Cabinet (AC)
dB(A)
"
77/77
!
Summary of Contents for QSB Series
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...