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 Reciprocating Compressor
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QRDS: High Efficiency and Clean Air |
Still using liquid ring compressors to meet your oil-less compressed air needs?
 Take a look at compressors that are more efficient and less costly. Take a look at the QRDS series of oil-less reciprocating compressors. Available in 5-30 hp models, QRDS compressors provide pressure capability up to 100 psig. With compressor operating speeds in the 855-1020 rpm range, the QRDS runs slower and cooler than competing single-stage oil-less compressors. That gives you higher compression efficiency, lower maintenance costs and longer service life.
The QRDS compressor is capable of maintenance-free operation for up to three years. Check out the maintenance schedule for details. Hospitals, pharmaceutical and food processing companies, laboratories, and dental offices all rely on Quincy QRDS compressors for clean, oil-less air. They know Quincy Quality means reliability, with lower costs over a longer life.
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Standard features, basic compressor
- Cast-iron crankcase and main bearing carrier for strength and durability
- One-piece cast iron connecting rods for strength and rigidity
- Totally sealed, prelubricated bearings for long life
- Hard-coated and precision-honed aluminum cylinders and heads with deep fins for efficient heat dissipation
- Aluminum pistons facilitate heat dissipation and balancing
- All-polymeric reinforced PTFE piston and rider rings for low friction
- Hard-coated and Teflon impregnated valve plates for long life
- Stainless steel reed valves for long life and high efficiency
- Integral counterweights on crankshaft for smooth operation
- Cast iron compressor pulley with integral fan for optimum cooling
- Lubricated and sealed needle bearings for the piston pins
- Free-floating piston pins designed for all connecting rods (Patent Pending)
- HAT switches in head, HAT wiring kit module
- Integral air-cooled 15°F approach aftercooler
Standard features, tank and base mounted units
- ODP motor
- OSHA-style beltguard
- Pressure switch for start-stop control
- Pressure switch set 80-100 PSIG
- Inlet filter/silencers
Standard features, tank mounted units
- ASME pedestal-type receivers (Cal OSHA 462-M approval)
- ASME coded pressure relief valves
- Manual tank drain and service valve
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QRDS Facts and Figures |
Model |
HP |
No. of
Cylinders |
Bore & Stroke
(Inches) |
75 psig |
CFM FAD/RPM
100 psig |
Weight
(lbs) |
QRD-S 5 |
5 |
2 |
4,000 x 2,375 |
20,0/859 |
17,5/813 |
270 |
QRD-S 7.5 |
7.5 |
2 |
4,750 x 2,375 |
33,5/950 |
28,5/859 |
275 |
QRD-S 10 |
10 |
2 |
5,250 x 2,375 |
42,2/956 |
36,3/864 |
280 |
QRD-S 15 |
15 |
3 |
4,750 x 2,375 |
60,5/1155 |
51,0/1020 |
415 |
QRD-S 20 |
20 |
3 |
5,250 x 2,375 |
69,0/1020 |
65,1/1020 |
450 |
QRD-S 30P |
25 |
4 |
5,250 x 3,000 |
109,1/1020 |
95,5/930 |
700 |
QRD-S 30P |
30 |
4 |
5,250 x 3,000 |
N/A |
103/1020 |
700 |
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QRDS Dimensional Information |
Approximate dimensions in inches* |
HP |
Height |
Width |
Length*** |
Weight (lbs)** |
Base Mount |
5 |
32.32 |
28.44 |
49.41 |
580 |
7.5 |
32.32 |
28.44 |
49.41 |
630 |
10 |
32.32 |
28.44 |
49.91 |
670 |
15 |
33.91 |
30.25 |
51.12 |
895 |
20 |
33.91 |
30.25 |
52.22 |
970 |
25/30 |
39.95 |
43.05 |
62,00 |
1365/1405 |
Simplex 80 Gallon Tank Mount |
5 |
50.89 |
26.44 |
67.58 |
780 |
7.5 |
50.89 |
26.44 |
67.58 |
830 |
10 |
50.89 |
26.44 |
67.58 |
870 |
Simplex 120 Gallon Tank Mount |
5 |
59.82 |
29.81 |
73.07 |
1030 |
7.5 |
59.82 |
29.81 |
73.07 |
1080 |
10 |
59.82 |
29.81 |
73.07 |
1120 |
15 |
58,90 |
29.79 |
75.33 |
1345 |
20 |
58,90 |
29.79 |
75.33 |
1420 |
Duplex 240 Gallon Tank Mount |
5 |
65.82 |
52.89 |
89.12 |
2270 |
7.5 |
65.82 |
52.89 |
89.12 |
2370 |
10 |
65.82 |
52.89 |
89.12 |
2450 |
15 |
67.02 |
57,00 |
92.08 |
2900 |
20 |
67.02 |
57,00 |
92.08 |
3050 |
*See QRDS Technical data sheet for exact dimensions, nonpedestal receiver (120-gallon, pedestal-mount optional). |
**Weights will vary with optional equipment. |
***Length includes 1" NPT ball valve. |
All performance data meets CAGI/PNEUROP PN2CPTC2 and PN2CPTC3 acceptance test codes for electrically and I.C. engine-driven packaged displacement air compressors. |
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Options
- 208, 230, and 460 volt magnetic starters (mounted and wired)
- TEFC and high-efficiency motors Dual control Intake mufflers
- Isolation pads
- Electric tank drain
- Galvanized receivers
- NEMA 4 controls
- Automatic alternating duplex control panels (mounted and wired)
- Head unloaders for constant speed operation
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QRDS Maintenance Schedule
- The QRDS compressor is designed for maintenance-free operation for three years or 10,000 hours of operation (whichever passes first), when it is operated at 100 psig.
- This maintenance schedule applies to the compression and rider rings, low-pressure and high pressure wrist pins, connecting rod and main shaft sealed bearings, and the valve assemblies
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QRDT: Setting the Oil-less Standard |
| The QRDT is a two-stage, air-cooled compressor with pressure capability up to 150 psig. With an air-cooled intercooler as standard equipment and operating speeds in the 780-1020 rpm range, the QRDT runs cooler and slower than competing single-stage oil-less compressors. That gives you higher compression efficiency, lower maintenance costs and longer service life. That's why hospitals, pharmaceutical and food processing companies, laboratories, and dental offices all rely on Quincy for clean, oil-less air.
The QRDT compressor is capable of maintenance-free operation for up to three years. Check out the maintenance schedule for details.
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Setting the Standard - Standard features, basic compressor
- Cast-iron crankcase and main bearing carrier for strength and durability
- One-piece cast iron connecting rods for strength and rigidity
- Totally sealed, prelubricated bearings for long life
- Hard-coated and precision-honed aluminum cylinders and heads with deep fins for efficient heat dissipation
- Aluminum pistons facilitate heat dissipation and balancing
- All-polymeric reinforced PTFE piston and rider rings for low friction
- Hard-coated and Teflon impregnated valve plates for long life
- Stainless steel reed valves for long life and high efficiency
- Integral counterweights on crankshaft for smooth operation
- Cast iron compressor pulley with integral fan for optimum cooling
- Lubricated and sealed needle bearings for the piston pin
- Free-floating piston pin designed for both the high-pressure rod and low-pressure rods (Patent Pending)
- HAT switches in head, HAT wiring kit module
- Air-cooled intercooler
- Integral air-cooled 15°F approach aftercooler
Standard features, tank and base mounted units
- ODP motor
- OSHA-style beltguard
- Pressure switch for start-stop control
- Pressure switch set 110-125 PSIG
- Inlet filter/silencers
- Standard features, tank mounted units
- ASME pedestal-type receivers (Cal OSHA 462-M approval)
- ASME coded pressure relief valves
- Manual tank drain and service valve
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Quincy QRDT Facts and Figures |
TWO-STAGE, OIL-LESS RECIPROCATING AIR COMPRESSORS |
Model |
HP |
No. of
Cylinders |
Bore & Stroke
(Inches) |
CFM FAD/RPM
100 PSIG |
CFM FAD/RPM
125 PSIG |
CFM FAD/RPM
150 PSIG |
Weight
(lbs) |
QRDT-10 |
10 |
3 |
5,25 x 4,00 x 2,375 |
38,6/780 |
38,3/780 |
38,0/780 |
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QRDT-15 |
15 |
3 |
5,25 x 4,00 x 2,375 |
51,0/1020 |
50,5/1020 |
50/0/1020 |
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QRDT-30P |
20 |
4 |
7,12 x 4,00 x 3,00 |
81,5/705 |
80,1/705 |
76,4/645 |
735 |
QRDT-30P |
25 |
4 |
7,12 x 4,00 x 3,00 |
100,0/870 |
94,2/825 |
90,7/780 |
735 |
QRDT-30P |
30 |
4 |
7,12 x 4,00 x 3,00 |
114,2/1020 |
104,2/930 |
102,0/903 |
735 |
All performance data meets CAGI/PNEUROP PN2CPTC3 acceptance test codes for electrically and I.C. engine-driven packaged displacement air compressors. |
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Two-Stage QRDT Dimensional Information |
Approximate dimensions in inches* |
HP |
Height |
Width |
Length*** |
Weight (lbs)** |
Base Mount |
10 |
33.91 |
30.25 |
51.06 |
840 |
15 |
33.91 |
30.25 |
51.06 |
925 |
20 |
41.79 |
43.47 |
62,00 |
1295 |
25 |
41.79 |
43.47 |
62,00 |
1400 |
30 |
41.79 |
43.47 |
62,00 |
1440 |
Simplex 120 Gallon Tank Mount |
10 |
61.41 |
31.38 |
73.07 |
1290 |
15 |
61.41 |
31.38 |
73.07 |
1375 |
Simplex 200 Gallon Tank Mount |
20 |
75.29 |
43.47 |
77,0 |
1980 |
25 |
75.29 |
43.47 |
77,0 |
2085 |
30 |
75.29 |
43.47 |
77,0 |
2125 |
Duplex 240 Gallon Tank Mount |
10 |
67.41 |
54.95 |
81.38 |
2790 |
15 |
67.41 |
54.95 |
81.83 |
2960 |
10 and 15 HP bare compressor weight with flywheel 445 lbs |
* See QRD Technical data sheet for exact dimensions |
**Weights will vary with optional equipment. |
***Length includes 1" NPT ball valve. |
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Options
- 208, 230, and 460 volt magnetic starters (mounted and wired)
- TEFC and high-efficiency motors
- Dual control
- Intake mufflers
- Isolation pads
- Electric tank drain
- Galvanized receivers
- NEMA 4 controls
- Automatic alternating duplex control panels (mounted and wired)
- Head unloaders for constant speed operation
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QRDT Maintenance Schedule
The QRDT compressor is designed for maintenance-free operation for three years or the following hours of operation when operated at the listed cut-out pressures:
100 psi |
10,000 hours |
125 psi |
8,000 hours |
150 psi |
6,000 hours |
This maintenance schedule applies to the compression and rider rings, low-pressure and high pressure wrist pins, connecting rod and main shaft sealed bearings, and the valve assemblies. |
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