LOWEST PRICE
$10,297
The Quincy QT-7.5 Duplex (model 273DC12DC46 in 460V/3-phase) mounts two 7.5 HP motors and two QT1 splash-lubricated two-stage pumps on a 120-gallon ASME tank, delivering 45.2 ACFM combined at 175 PSI. The integrated duplex control panel handles automatic alternation, lead/lag selection, hour meters, and fault detection. Suited to mid-size automotive shops, small manufacturing cells, and HVAC commissioning rigs that need redundancy plus parallel run for peak demand. Both 230V/1-ph (271CC12DC) and 230V/3-ph (273DC12DC23) variants exist.
HP
15
CFM
45.2 @ 175 PSI
Duty
100% continuous
Tank size
120 gal
Air output per horsepowerAirflow per motor HP
3.01CFM/HP
Poor 2.8Typical 3.15Good 3.5
Isentropic efficiencyClass median · 2-stage piston
67%
Poor <50Good 70Best 92
Price per cubic foot · minuteVerified retailer price
$228$/SCFM
Good $180Typical $211High $260
PUMP & DRIVE
Stages2-stage recip
CylinderQT1 cast iron pump x 2
Pump RPM896 rpm
Lubricationsplash
OilISO 100 non-detergent compressor oil
Sump—
Pump life40,000 hrs
Pump material—
Head material—
Intercoolerfinned-tube between-stage
PERFORMANCE
Catalog CFM45.2 @ 175 PSI
CFM / HP3.01
Cut-in / out—
Tank fill—
Est. draw13.2 kW
COST & MAINTENANCE
Compressor Controller ROI calc · $0.14/kWh · 1920 hr/yr · 70% motor efficiency · HP×1.10 sizing · savings 23–42% of electric
Electric · yearlyEst. $4,727
Maintenance · yearlyEst. $375
Savings with Compressor Controller · yearlyEst. $1,087–$1,985
ELECTRICAL & FORM
Serviceelectric
Voltage460
Amps—
Motor—
Motor RPM1750 rpm
Controlduplex panel with auto alternation
Startermagnetic with alternator
Weight1180 lb
FormHorizontal · 120 gal · 225 PSI tank rating
BUILD & ENVIRONMENT
Air outlet1 in NPT
DrainManual ball valve standard
Drain outlet—
ASME tankYes
Made in USAYes
Noise—
Op. temp40–104 °F
Dimensions—
Ship weight1180 lb
Warranty—
Where this sits in the catalog
Histograms below: highlighted bar marks this unit’s bucket.
- Catalog
- 1655 units
- Peer class
- 83 · 15 HP
Sizing & pricevs. 83 in class
- SCFM @ 15 HP45.2cfm17median 51111-11.4% vs. median
- Average price$10,297$4,621median $9,585$25k+7.4% vs. median
Efficiency vs. peersvs. 83 in class
- CFM per HP3.01cfm/hp1.15median 3.47.44-11.4% vs. median
- Price per CFM$228$/scfm$96median $188$443+21.1% vs. median
Where this is soldPricing pending verification
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