Quincy QT Pro Plus Air Compressor 5 HP 80 Gallon Two Stage 1-Phase 230V 451CS80VCBP New - 2020040706
The Quincy QT Pro Plus 5 HP Two-Stage Air Compressor is a professional-grade industrial unit, equipped with a cast-iron pump designed for a 50,000-hour lifespan. Featuring an 80-gallon ASME-certified tank, a magnetic starter for thermal protection, an electronic drain for reduced maintenance, and low oil protection for enhanced reliability, it delivers 17.2 CFM at 175 PSI for dependable performance in demanding applications.
What our Experts Think
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Balanced power for serious shop work
With ~18–20 CFM at 100 PSI and up to ~175 PSI, this 5 HP two‑stage compressor handles multiple air tools smoothly without pressure lag—ideal for automotive and woodworking tasks.
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Two‑stage efficiency for consistency
The two‑stage pump delivers higher pressure and better efficiency than single‑stage units, meaning less cycling and more usable air per tank fill.
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80‑gallon tank = steady supply
Larger tank capacity reduces compressor cycling and maintains consistent pressure during prolonged use—great for spray guns, sanders, and grinders.
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1‑Phase 230 V convenience
Runs on standard 230 V single‑phase power—no need for three‑phase wiring—making it easier to install in shops and garages.
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Pro Plus features for durability
Includes enhancements like automatic drains and low‑oil shutoff to protect the pump and reduce maintenance downtime.
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Reliable build quality
Quincy’s robust cast‑iron pump and proven engineering deliver long service life and quiet, cooler operation compared with many competitors.
Q&A
Q: What type of air compressor is this?
A: It’s a two-stage, single-phase industrial air compressor with a 5 HP motor and 80-gallon vertical tank, designed for reliable high-volume performance in workshops and small commercial operations.
Q: What is the airflow and pressure capability?
A: Delivers approximately 17 CFM at 175 PSI with a maximum pressure of 175 PSI, supporting multiple pneumatic tools efficiently.
Q: What power does it require?
A: Operates on 230V, single-phase power with an industrial motor and magnetic starter for safe operation.
Q: What makes the Pro Plus model special?
A: Includes auto drain, low-oil protection, and improved cooling, reducing maintenance and extending pump life.
Q: How durable is the pump?
A: Features a cast-iron, oil-lubricated pump designed for long-term, industrial-grade performance.
Q: What applications is this compressor best for?
A: Ideal for spray painting, air tools, automotive work, and light manufacturing, offering steady airflow and reduced cycling.
Q: Does it include safety features?
A: Yes. It comes with thermal overload protection, pressure relief valves, and an ASME-certified tank for safe, reliable operation.
Q: Why choose an 80-gallon tank?
A: The 80-gallon capacity reduces motor cycling and provides steady air supply for high-demand tasks.
Maintenance Tips
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Drain tank daily: Prevent moisture buildup and internal rust in the 80-gallon tank.
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Check and change oil regularly: Maintain proper lubrication for splash-lubricated two-stage pump; promotes long life (~50,000 hrs).
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Clean or replace intake filter: Ensures steady ~15 CFM output at 175 PSI and protects pump components.
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Inspect belts & alignment: Prevent slippage and maintain efficient power transfer from the 5 HP motor.
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Check intercooler & cooling fins: Keep free of dust/debris to optimize heat dissipation.
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Test safety valves & pressure switch: Verify operation for safe pressure range up to 175 PSI.
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Tighten fittings & check for leaks: Prevent air loss and maintain consistent pressure.
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Monitor electrical connections: Ensure proper 230V 1-phase wiring and motor protection.
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Inspect tank & components: Look for rust, wear, or corrosion to extend service life.
