Quincy Compressor QGD 40, Instruction Book

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8.5 Reference conditions and limitations
Reference conditions
Air inlet pressure (absolute) bar 1
Air inlet pressure (absolute) psi 14.5
Air inlet temperature ˚C 20
Air inlet temperature ˚F 68
Relative humidity % 0
Working pressure See section Compressor data.
Limits
Maximum working pressure See section Compressor data.
Minimum working pressure bar(e) 4
Minimum working pressure psig 58
Maximum air inlet temperature ˚C 46
Maximum air inlet temperature ˚F 115
Minimum ambient temperature ˚C 0
Minimum ambient temperature ˚F 32
8.6 Compressor data
Reference conditions
All data specified below apply under reference conditions, see section Reference
conditions and limitations .
QGD 40
7.5 bar 8.5 bar 10 bar 100 psi 125 psi 150 psi
Frequency Hz 50 50 50 60 60 60
Maximum (unloading) pressure bar(e) 7.5 8.5 10 7.4 9.1 10.8
Maximum (unloading) pressure psig 109 123 145 107 132 157
Maximum (unloading) pressure, units with
integrated dryer bar(e) 7.3 8.3 9.8 7.2 8.9 10.6
Maximum (unloading) pressure, units with
integrated dryer psig 106 120 142 104 129 154
Reference working pressure bar(e) 7 8 9.5 6.9 8.6 10.3
Reference working pressure psig 102 116 138 100 125 150
Pressure drop over dryer, units with
integrated dryer bar(e) 0.25 0.25 0.25 0.25 0.25 0.25
Instruction book
102 2920 7190 02