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Things You Need to Know Before Choosing a Powermate Air Compressor
The right air compressor will continuously offer you the compressed air you need to power an array of pneumatic tools.
In addition to power tools, compressed air is also used in manufacturing and converting processes as well as for refrigeration and filtration.
This being the case, the best air compressor differs from one application to another. Regardless of the application, proper design and operation of an air compressor are critical.
To get the right unit, you need to understand your specific compressed air requirements.
Particularly, you need to worry about how, where, and when the compressor will be used. These are some of the important considerations you should make while shopping for an air compressor:
Air Compressor Type
Air compressors come in different types, all of which are suited for different applications. Your choice of the ideal Compressor Type should be influenced by the intended application.
Additionally, you also need to ascertain whether the unit will be used in a clean or dirty, indoor, or outdoor environment.
Will the demand for compressed air be steady during operation or they tend to vary? Finally, you need to check the pressure requirements of your compressed air system.
With these in mind, you will need to choose between the two main compressor types:
- Dynamic Compressors – these use centrifugal or axial impellers impart velocity to the air, which is then converted to pressure. Most of the leading dynamic compressor models operate at high speeds.
- Positive Displacement Compressors – these use vanes, rotary screws, or reciprocating pistons to compress air.
Compressors are further categorized into different sub-types depending on their design and operation. Discussed below are some of the common air compressor types you should consider:
Reciprocating Compressors
These are air compressors that apply the reciprocating motion of a piston within a cylinder to compress air.
If you need a reciprocating compressor with a higher capacity, you should go for the models that have multiple cylinders.
Reciprocating compressors are available both in air-cooled or water-cooled, as well as lubricated, and non-lubricated configurations.
If you prefer Oil-Free reciprocating compressors, get a model that uses PTFE style rider and wear rings on the pistons. Reciprocating air compressors are best suited for applications that require low flow rates and/or high pressure.
Get a single-stage reciprocating compressor for lower-pressure applications (70 PSIG to 100 PSIG), and a two-stage model for high-pressure applications (100 PSIG to 250 PSIG)
Rotary Screw Compressors
These are positive Displacement compressors that apply the action of two intermeshing rotors within twin-bore housing to compress air. Such models are suited for steady loads with long hours of operation.
If this so your preferred Compressor Type, you need to choose the right capacity control mechanism. In this case, you need to choose between variable displacement and variable speed control options.
In either case, the compressor will offer you smooth, pulse-free air output. They come in both Oil-Free and oil-injected options.
Again, the Oil-Free rotary-screw compressors are offered in two main configurations: water injected and dry configurations.
Centrifugal Compressors
These are dynamic air compressors that use high-speed rotating impellers to accelerate air. They are ideal for high-gas volume applications, especially in steel plants, chemical factories, and gas transmission systems.
Centrifugal compressors convert the angular momentum imparted by the rotating impellers to deliver a high-pressure discharge.
In order to achieve this, centrifugal compressors are designed to operate at higher speeds than other compressor types. As a result, centrifugal air compressors are noisier in operation, and not suited for indoor applications.
Drive Type
An air compressor pump may be driven by an electric motor, steam turbine, or an engine. Electric air compressors are the commonest of them all and are often suited for light-duty to medium duty applications.
Models that are powered by an engine or a steam turbine are usually larger and more powerful, hence are suited for heavy-duty applications.
They will also come in handy in remote areas that do not have access to electricity.
Number Of Compression Stages
Different types of air compressors are available in both Single-Stage and multi-stage configurations. Multi-stage compression is meant it discharge air at a higher pressure, usually more than 80 PSIG.
With multi-stage compressors, the air is cooled between successive compression stages.
This results in improved energy efficiency. Such models are also known to offer better mechanical balance and uniform torque of the multi-crank unit.
Multi-stage air compressors also exhibit lower pressure in the IP cylinder clearance, resulting in increased volumetric efficiency.
Final Verdict
PowerMate is a renowned manufacturer of air compressors and a range of pneumatic tools.
Their air compressor models are preferred for their reliability, capacity, reliability, and affordable maintenance. Their various compressor models are suited for different applications.
You need to consider the type, performance as well as the number of cylinders, and compression stages while shopping for the best PowerMate air compressor.
Although different compressor uses have varying requirements, this guide will help you choose the right one.
Popular for its high-quality products, components, and accessories, PowerMate is one of the leading air compressor manufacturers.
The best Powermate air compressors come in a myriad of sizes and compressed air capacities. To get the right one, you should consider the air compressor type, pressure range, airflow, drive type, and a number of stages.
Regardless of the choice, Powermate compressors will offer you superior performance, durability, and efficiency. Reviewed below are the top four Powermate air compressor models you should consider.
