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See how Quincy Compressor can work for you.Call: 251.937.5900Nearest Distributor: 888.4-AIR-QCY (888.424.7729)E-mail: [email protected]: www.quincycompressor.com

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Standard Quality FeaturesDeliver Valuable Benefits

• Asymmetrical rotor profile• Triplex bearing arrangement ensures

100,000 hours of operation• Redundant shaft sealing system with

exclusive buffing air system• Patented lift valve technology reduces unloaded

horsepower to as low as 10% of full load power• Integrated drive fluid pump• Standard drive motors with NEMA C-flange

for permanent alignment of drive coupling• 50, 75, 100 hp packages• 100 or 125 psig operating pressure• 460/575 volts @ 60hz main motor voltage

380/415 volts @ 50hz main motor voltage• Full voltage starter, mounted and wired• Heavy-duty steel-base frame• Heavy-duty inlet filter• Full flow, 3 micron fluid filter• Quincy Power$ync II controller with complete

control backup• Intercooler and aftercooler

with moisture separators and traps• Air discharge check valve• Pre-piped chemical cleaning ports (water cooled units)• NEMA 4 control enclosure

Options• Wye-Delta reduced voltage starter for soft starting

and reduced current inrush during startup• TEFC and Premium Efficiency motors

for special applications• NEMA 4 wiring and controls for wet

and/or dusty applications• TEMA-C coolers• High dust inlet filters for dusty applications

Reliable, Efficient Oil-Free Air

Quincy

Longest Airend Life Triplex bearing arrangement delivers a life expectancy of over 100,000 hours.

Lowest Unloaded Brake HorsepowerEnsured by the lift valves in combination with thePower$ync II controller.

Simple DesignHighly efficient lift valves eliminate the need for inlet valves.

Added ReliabilityUnique to the QuincyQSD, the backup controlensures no down-time.

Complete Three-year Airend Warranty

24 Hour Parts Shipment

The Quincy QSD pulse-

free rotary screw design,

along with a reliable

drop-out type flexible

coupling and flexible

vibration isolators, reduce

sound and ensure

vibration-free operation.

Removable enclosure

panels provide easy

access to service

components for routine

maintenance and

inspections. All routine

service can be performed

from one end of the

Quincy QSD package.

A low noise enclosure

is standard equipment

on the Quincy QSD,

providing sound

attenuation to

75-78dBA.

Quincy QSD

78"

60"

84"

Two-stage, Oil-free Rotary Screw Compressors50/75/100 hp @ 100/125 psig Full Load

Quincy QSD®

The Quincy QSD®

is more than just a two-stage, oil-free rotary screw compressordesigned to pro-vide up to 125psig of clean, oil-free air. You see,we’ve engineeredevery aspect of the Quincy QSD to exceed industry expectations –complete with a three-year airend warranty.

Our innovative Triplex bearingarrangement delivers an airend life expectancy of over 100,000hours. Our patented lift valvesare simple by design (eliminatingthe need for inlet valves) anddeliver the lowest unloadedbrake horsepower. In addition to the Quincy Power$ync II, ourmost advanced controller, theQuincy QSD offers an addedmeasure of reliability with a fullyredundant, electro-mechanicalbackup control system.

You’ve seen how everyone elsedefines reliability. Now’s the time to put the Quincy QSD to work and see what reliabilityreally means.

Clean, Oil-Free Air State-of-the-art profilesand seal system

Innovative EfficienciesQuincy lift valves deliver the lowest unloaded brake horsepower

True Blue ReliabilityThree-year airend warranty and 24 hour parts shipment

Solid PerformancePatented Quincy Power$ync II® optimizesenergy costs

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90"

Water-Cooled

Air-Cooled

Performance rated in accordance with CAGI/PNEUROP PN2CPTC2 test code. Proper filtration must be used for breathing air applications to meet OSHA 29CFR1910

©2001 Quincy CompressorAll rights reserved. Litho in U.S.A. (QSD004 08/01)

Quincy QSDTechnical Data

QSD-50 QSD-75 QSD-100

Air Delivery (cfm)@ 100 psig 220 370 475@ 125 psig 197 330 435

M3/min@ 7 Bar 5.71 10.10 12.9@ 8.6 Bar 5.17 9.06 12.1

Motorhp 50 75 100Kw 37 55 75

Noise Level@ 1 meter

(dBA) 75 76 78

High efficiency heatexchangers ensure reliable air delivery andcompatibility with your air drying equipmentwithout oversizing orexternal aftercoolers.

Extensive use of o-rings, compression fittings, and a three-stage, redundantshaft seal system ensure24-hour oil-free air.

Quincy’s Triplex bearing arrangementyields L10 bearing life in excess of100,000 hours – nearly three times that of traditional, oil-free rotary screw compressors.

The Quincy QSD isuniquely designed to be

100% reliable – completewith a backup control

switch that ensures complete control and

no down time.

Smooth and efficient operation of the Quincy QSDis certain with the patented Quincy Power$ync II

electronic controller. The Quincy Power$ync II is themost reliable way to monitor system operations,

maintain peak efficiency around the clock, and track routine maintenance requirements.

Connections for chemicalcleaning of the cooling

circuit on water cooled unitsensure proper operation of the heat exchangers.

Quincy QSD airends are engineered using

a proprietary profile formaximum efficiency and are flange-mounted to

the motor to ensurepositive and permanent

drive alignment.

Quincy QSD compressors are available from 50-100 hpand are specifically designed to provide reliable, oil-free air for critical applications. The Quincy QSD is a two-stage

compressor with no sealing fluid in thecompression chamber. All compressors

in this series are driven by a flangemounted NEMA frame motor through

AGMA-11 precision gears.

Meet the peoplebuilding undeniablythe world’s finestcompressors.

“What do I know about Quincy?Well, I know that every rotor that leaves this plant is perfect,or at least within a tolerance of 0.0005 inches — that’s my job. I’m proud to be in chargeof these exacting standards. For me it’s standard operatingprocedure, but for our cus-tomers it’s day after day and night after night of getting the job done.”

Ricky SprinkleMachine Specialist, Bay Minette

Quincy QSD®

Reliable, Efficient Oil-Free Air

Clean, Oil-Free AirThroughout the textile, food processing,

electronics, chemical, medical, and plastics industries, the need

for oil-free air is essential. This is why air quality was our top priority in

designing the new Quincy QSD airend.

Our state-of-the-art profile in conjunction

with an FDA-approved Teflon®-basedcomposite coating ensure the highestquality of compressed air, eliminatingoil in the airend.

The Quincy QSD features a redundantshaft seal system to prevent oil migra-tion into the compression chamber.This system includes a primary set ofseals on the dry side, a sinuous pathseal with oil dam, and an atmosphericoil drain on the bearing side – all ofwhich prevent any oil from enteringthe compression chamber.

Innovative EfficienciesThe Quincy QSD incorporates a two-stage design that maximizes operatingefficiency throughout a full range ofpressures. By dividing the work ofcompression equally between the twostages, the Quincy QSD produces moreCFM per horsepower. In addition to being highly efficient, the compressedair produced by the Quincy QSD iscooled after each stage.

In designing the Quincy QSD we elim-inated the need for inlet valves.Instead, our patented Quincy lift valvetechnology does the job by openingthe compression chamber as demanddrops. This means that duringunloaded operation, the Quincy QSDconsumes only the power it needs toturn the rotors and gears – because no compression can take place withthe lift valve open.

The result is unloaded horsepower aslow as 10% of full load power, withoutsacrificing full load efficiency.

True Blue ReliabilityQuincy’s patented Triplex bearingarrangement adds up to increased effi-ciencies and reliability. The Quincy QSDuses a Triplex bearing arrange-menton the thrust side of each airend, inaddition to a single row of roller bear-ings on both the suction and dis-charge to support radial loads. Andwhile the bearings on most oil-freerotary screw compressors last between30,000 and 40,000 hours, Quincy’sTriplex bearing technology delivers alife expectancy of over 100,000 hours.This is equal to even the most durable fluid-flooded compressor.

At Quincy, this rugged dependabilitytranslates into True Blue Reliabilityagain and again.

Solid PerformanceCompleting the Quincy QSD package,the Quincy Power$ync II controller isone of the most advanced and reliableelectronic controllers available. ThePower$ync II monitors the compressorand adjusts accordingly to systemdemands – maintaining peak efficiencyaround the clock.

Uniquely designed to control the two-stage Quincy QSD, the Power$ync IIconstantly and efficiently monitors firstand second stage discharge pressure andtemperature, package discharge pressureand temperature, and bearing lube pressure. Plus, Load/No-Load with AutoDual works during periods of low or nodemand by automatically turning thecompressor off – restarting only whendemand returns.

The Quincy Power$ync II unloading system provides the lowest unloaded powerconsumption available. When air systemdemand is satisfied, the Power$ync IIremoves the machine’s ability to compressair via the patented Quincy lift valves.This dramatically reduces the powerrequired to turn the rotors and results in upto 90% reduction in utilized horsepower.

And, of course, the Power$ync II is easy touse. All display messages are in Englishwith no cryptic codes to reference. Andas an added measure of reliability, a fullyredundant electro-mechanical control system is included for backup control.

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Patented Quincy lift valvesare precision machined to the contours of thecompressor housing. The result is unloadedhorsepower as low as 10%of full load consumption.