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Rotary Screw Compressor
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QMA: High Quality, Competitive Price |
Its modular design and vertical draft coolers make the QMA a compact, low-profile package that fits nearly every industrial application, available in from 50 HP up to 150 HP. From the large-diameter rotors in the Quincy airend to the factory fill of QuinSyn® fluid, the QMA is a high-quality Quincy rotary screw air compressor. But the QMA is not a high-priced rotary screw air compressor. The QMA has a competitive price, and it's designed to save on operating costs. The direct-rive rotors eliminate gears and drive belts that can eat up valuable input energy.
The airend is inside the receiver tank, so the QMA requires fewer external piping connections and therefore less maintenance. Quick-change separators and convenient access to routine maintenance areas also help assure easy serviceability.
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QUINCY QMA Facts and Figures |
Model |
QMA-50 |
QMA-50H |
QMA-60 |
QMA-75 |
QMA-100 |
QMA-125 |
QMA-150 |
HP |
50 |
60 |
60 |
75 |
100 |
125 |
150 |
CFM |
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100 psig |
235 |
--- |
300 |
352 |
495 |
595 |
752 |
115 psig |
228 |
--- |
298 |
349 |
486 |
585 |
740 |
125 psig |
--- |
226 |
296 |
346 |
478 |
577 |
732 |
150 psig |
--- |
220 |
--- |
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--- |
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Approximate wt |
1550 |
1565 |
1565 |
2740 |
3500 |
3830 |
3830 |
Approximate dimensions in inches* |
Height |
42 |
42 |
42 |
61 |
69 |
69 |
69 |
Width |
43 |
43 |
43 |
43 |
55 |
55 |
55 |
Length |
88 |
88 |
88 |
109 |
120 |
120 |
120 |
*See the QMA technical data sheet for exact dimensions. |
We reserve the right to change specifications without liability,
without advance notice, and without incurring any obligation for products previously or subsequently sold. |
Must be used with proper filtration for breathing air to meet OSHA 29CFR1910.
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Performance rated in accordance with CAGI/PNEUROP PN2CPTC2 test code. |
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Standard features
- Large rotors for slow-speed, economical operation and maximum airend life
- Triple-lip shaft seal
- Cast iron construction
- Full voltage, across-the-line starter, mounted and wired (575 volt)
- Factory fill of Quin-Syn® lubricant
- Heavy-duty air inlet filter
- Air discharge check valve
- Air/oil reservoir safety valve
- Control line filter (with auto-dual control)
- High Air Temperature (HAT) shutdown protection
- Partial enclosure for cooling fan, fan motor, and main drive motor
- Auto dual with modulation and percent capacity gauge
- Built to UL, CSA, and NEC standards

Options
- 200/230/575 volt motors
- Reduced voltage starter
- Full cabinet for super low noise level
- NEMA 4 controls
- 50H model offers 150 psig full load
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