Reciprocating Piston Air Compressors

A reciprocating air compressor is a positive-displacement compressor that uses a crankshaft-driven piston and cylinder to compress the air. A single-stage reciprocating piston compressor works by drawing the air into the cylinder where it is compressed in a single-piston stroke of approximately 120 PSI and then sent to a storage tank. A two-stage compressor includes an additional step where the air is compressed by a second, smaller piston to a pressure of up to 175 PSI. See our collection of Reciprocating Piston Air Compressors below.

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QR-25

More about the QR-25

Our premium pressure-lubricated piston air compressor is the QR-25. It’s a heavy-duty compressor that is pressure lubricated in critical areas and delivers up to 25 hp. Available in single- and two-stage versions, the QR-25 is designed to operate at slower speeds and is equipped with intake unloaders that minimize work. The rugged cast iron construction ensures a long life expectancy, less downtime and easier maintenance.

Other Key Features

Other key features include loadless starting, a manually reversible oil pump and rebuildable components. Seen as the industry standard in piston compressor technology, the performance of Quincy’s QR-25 is legendary.

QTV

QT

More about the QT

Our two-stage splash-lubricated QT piston air compressor models are designed to deliver higher volumes of air while also consuming less energy. The special valve design provides high volumetric efficiency and features super-strong stainless steel valves. The balanced counter-weighted crankshaft ensures smooth operation and fewer maintenance issues. The cast-iron construction also assures a long compressor lifespan. The QT series is available with Pro, Pro+ and Max unit configurations.

QB FF

QB

More about the QB

The QB series reciprocating boosters are designed for high-pressure air and nitrogen applications. The QB boosters have a 360 psi and 580 psi option, and power ranges from 10 to 40 hp. They’re offered in standard configuration or full-feature configuration, which includes an aftercooler and unit-mounted Q-control touch.

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QP

More about the QP

The QP is a two-stage pressure-lubricated air compressor featuring a working pressure of 175 PSI for your more challenging compressed air applications. Key QP features include a cast iron crankcase, flywheel and cylinder, a reliable positive displacement oil pump and a high efficiency intercooler. The QP series is available with Pro, Pro+ and Max unit configurations.

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Climate Control

More about Climate Control

Our application-specific air compressor models include climate control systems that are designed and engineered for efficient and effective climate control in diverse types of operating environments. The options include Simplex Splash Lubricated Tank-Mount models that include an ASME pressure relief valve, a pressure gauge, a manual shut-off at tank discharge and a manual tank drain. A Duplex Splash Lubricated Tank-Mount model with a Duplex Control Panel and optional dryer is also available.

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Single Stage and Portable

More about Single Stage & Portable Compressors

Our stationary and portable single-stage piston air compressors are ideally suited for commercial compressed air applications and smaller DIY projects. Despite their small size, they feature a rugged cast-iron construction that supports maximum durability. Key product features include a cast iron cylinder and crankshaft, an aluminum head and a fully enclosed belt guard.

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