Comparison · Compressors

Quincy lubricated rotary screw compressors

26 models, 2 lines (fixed speed, variable speed (vsd)), from the manufacturer’s brochures.

Under construction. This comparison tool is still being built: do not base a purchasing decision on this data. Always confirm with your local distributors.

Compressor comparison Search by need

QGS

FIXED North America Manufacturer’s page

Model	Type	Power	Flow	At pressure
QGS-5	Fixed speed	5 hp≈ 3.7 kW	16.8 cfm ≈ 0.48 m³/min	145 psig (≈ 10 bar)
QGS-7.5	Fixed speed	7.5 hp≈ 5.6 kW	25.3 cfm ≈ 0.72 m³/min	145 psig (≈ 10 bar)
QGS-10	Fixed speed	10 hp≈ 7.5 kW	38.8 cfm ≈ 1.1 m³/min	125 psig (≈ 8.6 bar)
QGS-15	Fixed speed	15 hp≈ 11.2 kW	54.9 cfm ≈ 1.55 m³/min	125 psig (≈ 8.6 bar)
QGS-20S	Fixed speed	20 hp≈ 14.9 kW	60.9 cfm ≈ 1.72 m³/min	125 psig (≈ 8.6 bar)
QGS-20	Fixed speed	20 hp≈ 14.9 kW	82.2 cfm ≈ 2.33 m³/min	125 psig (≈ 8.6 bar)
QGS-25	Fixed speed	25 hp≈ 18.7 kW	99.4 cfm ≈ 2.81 m³/min	125 psig (≈ 8.6 bar)
QGS-30	Fixed speed	30 hp≈ 22.4 kW	113.8 cfm ≈ 3.22 m³/min	125 psig (≈ 8.6 bar)
QGS-40	Fixed speed	40 hp≈ 29.8 kW	154.9 cfm ≈ 4.39 m³/min	125 psig (≈ 8.6 bar)
QGS-40C	Fixed speed	40 hp≈ 29.8 kW	176.1 cfm ≈ 4.99 m³/min	125 psig (≈ 8.6 bar)
QGS-50C	Fixed speed	50 hp≈ 37.3 kW	203.1 cfm ≈ 5.75 m³/min	125 psig (≈ 8.6 bar)
QGS-60	Fixed speed	60 hp≈ 44.8 kW	262.5 cfm ≈ 7.43 m³/min	125 psig (≈ 8.6 bar)
QGS-75	Fixed speed	75 hp≈ 56 kW	320.2 cfm ≈ 9.07 m³/min	125 psig (≈ 8.6 bar)
QGS-100	Fixed speed	100 hp≈ 74.6 kW	414.6 cfm ≈ 11.74 m³/min	125 psig (≈ 8.6 bar)

QGSV

VSD North America Manufacturer’s page

Model	Type	Power	Flow	At pressure
QGSV-5	Variable speed (VSD)	5 hp≈ 3.7 kW	17.8 cfm ≈ 0.5 m³/min	145 psig (≈ 10 bar)
QGSV-7.5	Variable speed (VSD)	7.5 hp≈ 5.6 kW	26.8 cfm ≈ 0.76 m³/min	145 psig (≈ 10 bar)
QGSV-10S	Variable speed (VSD)	10 hp≈ 7.5 kW	34.1 cfm ≈ 0.97 m³/min	145 psig (≈ 10 bar)
QGSV-10	Variable speed (VSD)	10 hp≈ 7.5 kW	41.4 cfm ≈ 1.17 m³/min	100 psig (≈ 6.9 bar)
QGSV-15	Variable speed (VSD)	15 hp≈ 11.2 kW	65.1 cfm ≈ 1.84 m³/min	100 psig (≈ 6.9 bar)
QGSV-20S	Variable speed (VSD)	20 hp≈ 14.9 kW	78.7 cfm ≈ 2.23 m³/min	100 psig (≈ 6.9 bar)
QGSV-20	Variable speed (VSD)	20 hp≈ 14.9 kW	101.6 cfm ≈ 2.88 m³/min	100 psig (≈ 6.9 bar)
QGSV-25	Variable speed (VSD)	25 hp≈ 18.7 kW	125.1 cfm ≈ 3.54 m³/min	100 psig (≈ 6.9 bar)
QGSV-30	Variable speed (VSD)	30 hp≈ 22.4 kW	139.9 cfm ≈ 3.96 m³/min	100 psig (≈ 6.9 bar)
QGSV-40	Variable speed (VSD)	40 hp≈ 29.8 kW	193.6 cfm ≈ 5.48 m³/min	100 psig (≈ 6.9 bar)
QGSV-50	Variable speed (VSD)	50 hp≈ 37.3 kW	220.8 cfm ≈ 6.25 m³/min	100 psig (≈ 6.9 bar)
QGSV-60	Variable speed (VSD)	60 hp≈ 44.8 kW	263.8 cfm ≈ 7.47 m³/min	100 psig (≈ 6.9 bar)

Flow at the published point near 100 psig; other points are on each page. “≈” = converted from another published unit.

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