Air compressors come in many shapes and sizes, and you can find them in large industrial environments, shop floors, garages and even households. Engweld stocks various types of air compressors ranging from 2 litre to 270 litre. There are compressors for amateur DIY hobbyists or enthusiasts, as well as for professionals and industrial use. This guide will equip you with the information you need to make your decision making process easier.
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The right air compressor depends on your needs and application. Therefore, having a good understanding of what it will be used for can make your choice a lot easier. For example, If you are looking for an air compressor that is handheld and lightweight to do DIY jobs around the house then there are small air compressors like the 2 litre 1.5HP Super Boxy Compressor which is a unique compressor designed specifically for household use and domestic applications, including inflating air mattresses, sports balls, bicycle tyres and a variety of outdoor products.
There are also slightly bigger 6 litre air compressors like the SIP Airmate designed for low pressure and low volume applications, making them perfect for home, garden or garages. If you are looking for portability and durability at the same time then a compressor like OM200/6 Compressor is a choice as it is equipped with a heavy-duty cast iron barrel and efficient cooling system making it ideal for applications like tyre inflation, cleaning, and nailing / stapling.
Then there are 10 litre compressors such as 230V OL197/10R Compressor and 110V OL197/10RC Compressor. They are built with an integrated sturdy foot plate for extra versatility, and built-in control panel with easy to read gauge and ergonomic dial.
For environments where floor space comes at a premium, vertical air compressors are the best option. For tasks requiring easy transport and maneuverability at the same time then we have a range available featuring V215/25 Vertical Compressor or V245/50 Vertical Compressor and V300/100 Vertical Compressor. Their vertical space-saving receiver tank design helps reduce the overall footprint in terms of floor space making them perfect for a range of applications requiring mobility. To compliment this range we have the belt drive VN3/150 Workshop Compressor delivering high performance via its twin cylinder pump.
Portable air compressors with tank receivers 24 litre, 50 litre and 100 litre are sufficient for most small trade environments including medium-sized garages, workshops and mobile applications. For busy on-the-go environments, compressors like the 24 litre models245/25 Compressor and RC/24 Compressor are ideal as they offer mobility via a compact and wheel-mounted design. Then there are 50 litre alternatives like RC2/50 Compressor and the belt driven Airmate TN3/50-SRB Compressor that offer mobility and performance. The belt drive 100 litre TN3/10-SRB Compressor and the direct drive TN3/100-D Compressor provide mobile air with high performance and effective cooling system for an extended work life.
Belt drive air compressors are oil lubricated along with some direct drive models but there are lots of oil-free models available such as the 24 litre V215/25 Vertical Compressor and OL197/24 Compressor with oil-free system for maintenance free cleaning air supply.
For trade environments with prolonged demands and for professional-grade applications, then belt drive air compressors are the preferred option featuring multi-cylinder pumps, high CFM performance, larger air receivers and air inter-coolers. Available are 150 litre and 200 litre options including 3HP/150ltr 230V Compressor, 3HP/200ltr 230V Compressor, Airmate PX3/150B Compressor and Airmate PX3/200B Compressor. Featuring 2 different twin cylinder pump options, oversized crankcases, aluminium aftercoolers powered by 3HP brushless induction motors, providing high quality air with improved moisture reduction for longer life and high performance.
For any trade environments where only a 230V single phase supply is available but high air volume is essential then the B/270 Tandem Compressor is the preferred option. It offers powerful performance through two B twin-cylinder pumps and two robust 3HP brushless induction motors. Each pump and motor assembly can also be run independently.
To cater for larger workshop applications we have the SIP &#;TN&#; range. Powerful 400V 3 phase air compressors; TN5.5/200 Compressor, TN7.5/200 Compressor and TN10/ Compressor. Capable of high-quality air delivery, and designed with trade and professional-grade applications in mind. Fitted with 2-stage high efficiency pumps, heavy-duty cast iron barrels, and moulded guards for increased force air cooling.
To complement the &#;TN&#; range we have the &#;ISBD&#; model ISBD5.5/270 3 Phase Compressor. This is a premium electric air compressor ideal for heavy-duty industrial use, built to last and designed for high performance. Fitted with industrial parts, including robust slow-running pump, large inter-stage coolers, and long-stroke iron cylinders mounted on an air receiver with a 10 year anti-corrosion warranty.
To browse the full range of air compressors stocked by Engweld &#; click here
Air compressors are required for all plasma cutters to function. Plasma cutting is a process that uses ionised compressed air and electricity to cut through various metals such as ferrous metals, stainless steel and Aluminum. The benefit of plasma cutters is that they help harness high intensity localised heat for a superior cut quality. A high voltage at a high frequency is applied to the compressed air which in turn ionises the air creating the &#;plasma&#; stream. In this state the machine is capable of cutting a large range of material quickly and cleanly.
Compressors with lower CFM capabilities can be used for occasional and short cuts. However, to ensure your long and thicker cuts are continuous and uninterrupted by a lack of air pressure, you will need to have an air compressor big enough to keep up with your machine&#;s consumption. It is generally recommended to go for an air compressor with a 1.5 to 2 times higher CFM rating than your plasma cutter.
To browse our full range of Plasma Cutters &#; click here.
Hopefully this guide offered you a useful starting point for understanding the different types of compressors offered by Engweld.
The size of the compressor motor:
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The tank should be sized to match the capacity of the compressor motor. Usually, a larger air receiver is used with a stationary unit, while a smaller receiver is used with a portable type.
Working pressure:
This is important for both stationary and portable units. The pressure in the tank must reflect that of the output pressure from the compressor. In other words, if your screw compressor produces 100 psi as its maximum working pressure, your storage tank should hold at least as much as this level. This means you either need one large tank or enough to make up for this capacity.
For example, two 50-gallon tanks can be connected to a 100-gallon storage solution for a 200-psi screw compressor.
How much air the compressor will need to supply:
Compressors use different tools and equipment depending on how they are used. Larger pieces of equipment such as pneumatic drills, impact wrenches, and sanders require much more air than nail guns or spray painting tools.
What kind of portability you need:
Depending on what you intend to use the compressed air for, you may need your system to be very portable. If this is the case, you&#;ll want to select an air receiver tank that has wheels and a handle so that it can be moved around easily.
The construction material of the storage tank:
The material used in construction will determine how durable the storage solution is and how much weight it can hold. Steel tanks are the most common and are very strong, but they can be pretty heavy. Aluminum tanks are lightweight but may not be as durable as steel tanks.
The maximum allowable pressure:
This is the maximum pressure the storage tank can hold before it ruptures. If possible, choose a tank with a working pressure higher than your compressor&#;s maximum.
The ambient temperature and climate where the compressor will be used:
It is crucial to select a tank that will function properly in low and high-temperature ranges in extremely cold or hot environments.
When choosing a rotary screw compressor, it is vital to select a model that has a tank that is large enough to meet your needs. A smaller tank will not store enough compressed air to meet the demands of a more significant appliance or tool. Tanks that are too large will increase compressor costs.
Essential factors to consider when using rotary screw compressor:
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