Reciprocating Piston Air Compressors

Pilot Air K17T Three Phase Horizontal Compressor

415V Three Phase Horizontal

Pilot Air K25-VI 415V Three Phase Vertical Compressor

415V Three Phase Vertical

Pilot Air K50SI Silenced Reciprocating Air Compressor

Three Phase & 240V Silenced

Pilot Air K11 Classic K Series

240V K Series

Pilot Air K17P Petrol Driven Reciprocating Compressor

Petrol Driven

Pilot Air K17D Diesel Driven Reciprocating Compressor

Diesel Driven

Pilot Air Bare Compressor Pumps

Bare Compressor Pumps

Pilot Air TM420SDi+ 240V Air Compressor

240V TM+ Series

35 Years Of Hands-On Field Experience

Reciprocating piston air compressors are one of the most widely used types of air compressor in Australia, and for good reason. They’re robust, cost-effective, and well suited to a huge range of jobs where compressed air is needed in short bursts or at high pressure. From small workshops to heavy-duty construction sites, piston compressors have been powering pneumatic tools and equipment for decades. 

At Air & Power, we supply, install, and service reciprocating piston air compressors for businesses across Perth and regional Western Australia. With more than 35 years of hands-on field experience, our team will help you choose the right piston compressor for your operation and keep it running reliably for years to come. 

Pilot Air K17T Three Phase Horizontal Compressor
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What Is a Reciprocating Piston Air Compressor?

A reciprocating piston air compressor is a positive displacement machine that compresses air using a piston driven by a connecting rod and cranks back and forth inside a cylinder. On the down stroke, air is drawn into the chamber through an intake valve. On the up stroke, the valve closes and the piston compresses the gas before discharging it into a storage tank at the target pressure. 

This reciprocating motion gives the compressor its name. In a typical piston compressor, each revolution of the crankshaft produces a pulse of compressed air, which is why piston units are sometimes called “recip” compressors. The compressed air is held in a pressure vessel (the receiver tank) so it’s ready to supply your tools and equipment the moment you need it. 

Reciprocating piston air compressors are one of the oldest and most proven designs in the compressed air industry. The technology is simple, the parts are readily available, and the machines are built for durability. 

Single-Stage vs Two-Stage

Reciprocating compressors come in single-stage and two-stage configurations. 

single-stage compressor compresses air in one stage , from atmospheric pressure up to the final pressure, typically around 125 PSI. Single-stage units are well suited to smaller workshops, light industrial applications, and small businesses that need a cost-effective solution for everyday pneumatic tools. 

two-stage compressor compresses air in two stages . The first stage compresses air to an intermediate pressure, then the air is cooled before a second piston compresses it further to the final pressure, often 175 PSI or higher. Two-stage units are more efficient at higher pressures, run cooler under demanding conditions  and are the right choice for heavy-duty industrial applications, larger workshops, and jobs requiring higher  pressure output. 

Pilot Air K11 Classic K Series
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Belt-Driven vs Direct-Drive

Many industrial grade piston compressors are belt-driven. A belt and pulley assembly connects the motor to the compressor pump, allowing the pump to run at a lower speed than the motor. This can help reduce heat, wear and noise, supporting longer service life under demanding conditions. Belt-driven compressors are commonly preferred for serious workshop and industrial use as they are well suited to heavier workloads and longer operating periods.  

Direct-drive units, where the motor connects directly to the pump are often smaller, lighter, and more cost effective. They are well suited to portable, occasional or lighter-duty applications, although some commercial direct-drive models are designed for more demanding use. For sustained workshop or site use, a belt-driven unit is often the better long-term choice. 

Reciprocating Piston vs Rotary Screw Compressors

The right choice between a piston compressor and a rotary screw compressor comes down to how your operation uses compressed air. 

Reciprocating piston compressors are built for intermittent use. They deliver short bursts of high-pressure air and then rest. Their duty cycle is typically 25% to 75%, meaning they need cool-down time between loads. They cost less upfront, handle high-pressure applications well, and suit operations where air demand is not required continuously. 

Rotary screw compressors are built for continuous air demand. Many industrial rotary screw units can run at 100% duty cycle, delivering a steady stream of compressed air for long operating hours . They cost more initially but can provide better long-term value in high-demand industrial operations where consistent air supply, efficiency and reliability are priorities.. 

If your air demand is intermittent, if you need high pressure for specific tools, or if upfront budget is a major factor, a reciprocating piston air compressor is often the right fit. 

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Key Features and Benefits

Lower initial cost

Piston compressors usually cost less to purchase than rotary screw units of similar capacity. For tradies, small businesses, and workshops with moderate air demand, that lower entry price makes them a practical choice.

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High pressure capability

Reciprocating compressors can often deliver higher maximum pressure than most rotary screw units. Two-stage piston compressors commonly reach 175 to 200 PSI, making them suitable for applications such as pressure testing, tyre inflation, specialised pneumatic tools and some diesel engine air-start systems.

Robust construction 

A well-built piston compressor is a genuinely tough machine. Cast-iron pumps, heavy-duty bearings, and simple mechanical design mean fewer complex components. With regular maintenance, an industrial piston compressor will give you many years of reliable performance. 

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Compressor servicing with Air & Power

Easy to service

The mechanical simplicity of piston compressors makes them straightforward to maintain and repair. Parts are widely available, diagnostics are usually uncomplicated, and our technicians can usually get a unit back up and running quickly.

Suited to short-burst demand

When your operation needs compressed air in short bursts rather than a continuous flow, a piston compressor can be a practical and economical choice. It can build pressure in the receiver tank, shut off when demand is low, and restart when more air is required.

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Applications

Reciprocating piston air compressors are used across many different applications, including: 

  • Automotive workshops: tyre inflation, impact wrenches, brake work, general air tools 
  • Construction sites: nail guns, framing, roofing, and other pneumatic tools with larger units used for higher demand applications  
  • Small workshops and fabrication: grinders, sanders, spray guns, die grinders, depending on the compressor’s air delivery capacity 
  • Agricultural operations: farm workshop use, equipment servicing, and mobile tool work 
  • Servicing and maintenance: on-site repair work and portable compressor use  
  • Industrial applications: pressure testing, process support, specialised tooling 
  • Diesel engines: air starter systems and general engine servicing application. 

The range of suitable uses is broad, which is why piston compressors remain a staple across so many Australian industries. 

Pilot Air K25-VI 415V Three Phase Vertical Compressor
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Choosing the Right Reciprocating Compressor ​

Sizing a piston compressor correctly matters. Undersize it  and the compressor may run too often, overheat, and wear prematurely. Oversize it and you may pay for capacity you do not need. The key specifications to consider are: 

  • CFM (cubic feet per minute)/ Free Air Delivery : the volume of usable airflow the compressor can deliver. Add up the  air requirements of the tools you will run at the same time, then allow a safety margin.  
  • Pressure (PSI): the pressure your equipment needs to operate correctly. Most pneumatic tools run at 90 to 100 PSI, but some specialised  equipment calls for more. 
  • Duty cycle: how often and for how long the compressor will run under load. 
  • Tank size: a larger receiver gives you more stored air for short high-demand tasks and can reduce motor cycling, but it does not replace adequate compressor capacity. 
  • Power supply: single-phase vs three-phase, and whether the motor size suits your available electrical capacity. 

Our team can work through these details with you, assess the tools and equipment you are running, and recommend a compressor that fits the job. 

Why Choose Air & Power

Quality units, not cheap imports

We supply piston compressors built to last, with Australian Standards compliance and proper warranty support. Cheap imported compressors often cut corners on materials, compliance, and parts availability, which leaves customers exposed to breakdowns, safety risks, and sourcing headaches down the track. A compressor is part of a critical compressed air system in most operations. It pays to start with quality.

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Genuine parts, stocked locally

Filters, valves, gaskets, oil, and wear parts for the brands we service are held in stock at our Belmont facility. When you need a repair done quickly, we’re not waiting weeks on shipments from overseas. . 

Technician-led service

Every installation and repair is carried out by qualified mobile technicians with deep field experience. Our focus is on keeping your compressor running reliably, not on pushing unnecessary upgrades.

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Local WA support 

We service Perth and regional Western Australia with a mobile team that comes to your site. Emergency breakdown response, scheduled servicing, and compliance inspections are all handled on location. 

Compliance with Australian Standards

Pressure vessels, including air receiver tanks on piston compressors, must meet WorkSafe WA inspection and registration requirements. We carry out compliance inspections and maintain documented service records so your equipment stays safe and legal to operate. 

Pilot Air K30D Diesel Driven Reciprocating Air Compressor

Maintenance and Servicing

Regular maintenance is the single biggest factor in getting long, reliable performance out of a piston compressor. Proper lubrication, clean filters, and correct belt tension make the difference between a machine that lasts 20 years and one that fails in five. Our preventative servicing covers: 

  • Oil changes using manufacturer-specified lubricants 
  • Air filter replacement to keep dust and contaminants out of the intake 
  • Valve inspection and replacement as required 
  • Belt tension and condition checks on belt-driven units 
  • Pressure relief valve testing 
  • Tank inspection for corrosion and moisture 
  • Pressure switch and unloader adjustment 
  • Documented service reports for compliance and warranty records 

For emergency breakdowns, our mobile technicians respond quickly across Perth and regional WA to get you back up and running. 

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Compressor servicing with Air & Power

Get In Touch

Whether you need a new reciprocating piston air compressor, a replacement for an ageing unit, parts and servicing, or advice on choosing the right machine for your operation, Air & Power can help. We’re based at 7 Fisher Street, Belmont, and we service customers across Western Australia. 

Call: (08) 9424 2800 

Email: enquiries@airandpower.com.au 

Address: 7 Fisher Street, Belmont WA 6104 

Contact our team today to discuss your compressed air requirements.