Frequently Asked Questions

Here is a selection of frequently asked questions which our team feel may be able to help you with any queries..

FAQ - GA15FF Air Compressor
Can I purchase spare parts from you?

We stock a full range of spare parts for Atlas Copco products and can source and supply for various other manufacturers.

Can I hire out air compressors?

To support clients, we have a hire fleet available covering a variety of air compressor sizes and specifications.

All have written schemes and are ready to go. Contact us for details and availability.

Can you service air compressors, other than those made by Atlas Copco?

Yes, our engineers come from various backgrounds bringing a wealth of knowledge and skills covering all major brands and any type of air compressors, it doesn’t matter if it was not bought through us.

We are just a call away for help.

Which locations do you offer service in?

We can provide nationwide service operating from our Leeds, Sheffield, and Nottingham locations.

Covering mainly the area’s of York, Sheffield, Leeds, Derby, Nottingham, Leicester, Kingston upon Hull, Bradford, Lincoln, Ripon, Wakefield, Huddersfield, Doncaster, Chesterfield, Halifax, Barnsley, Mansfield, Nottingham, Rotherham, Scunthorpe, Scarborough and Worksop.

How does my air compressor work?

An air compressor works by using electric power to create pressurised air that can then be released and converted to usable power for use in several applications, depending on your specific needs. It performs this by compressing air within a chamber by means of a piston, rotary vane, screw or scroll element and then releasing this pressurised air into your downstream receivers and distribution piping system.

What does an air compressor do?

Air compressors provide compressed air for applications such as air tools, air for operating pneumatic systems, filling tyres and a wide variety of other applications across industries like automotive, medical, food and beverage, petroleum, pharmaceutical and more.

How often do i need to change the oil in my air compressor?

If you have a lubricated reciprocating, rotary screw, or rotary vane air compressor, you’ll need to change the oil from time to time to keep it working properly. The recommended standard schedule ranges from 2000 hours to 8000 hours, subject to the manufacturer’s recommendation. For a rotary screw compressor, you’ll ideally want to change the oil every 4,000 to 8,000 hours depending on the type of oil and environment.

Do i need an air dryer in addition to my air compressor?

It’s often a good value for you to add an air dryer to your air compressor system, as your air compressor can put a great deal of water into the compressed air system. Your air dryer could potentially remove gallons of water each day.

How do i control contaminants in my compressed air system?

It’s important to have an effective air filtration system to keep your compressed air clean. Search Air can provide you with all the air filters you need to help keep your compressed air clean.

How often do i need to replace my air intake filter?

Air compressors with air intake filters need to be cleaned weekly. If your filter has built up so much debris that you can’t get it completely clean, or the filter is torn, you should replace it right away.

How do i control the dew point of my compressed air system?

If you’re worried about hitting the dew point, a quality air dryer will be the solution.

Why is my compressor rated in “free air delivered” whilst others are rated on “displacement”?

In simple terms, displacement is the theoretical output figure without considering heat expansion, friction losses and general inefficiencies.

Free air delivered is the actual amount of air available for use at the output of the compressor.

How does pressure affect my compressed air system?

This is the way force, i.e, power, in the compressed air system is expressed and is measured in either pounds per square inch (psi) or bar.

Pressure is important because to have too low a pressure would cause the equipment not to work correctly. Too high a pressure would at best rapidly wear out the equipment, at worst it could make the equipment lethal.

What is a single stage compressor?

One or more cylinders producing the final pressure in one compression. Normal maximum pressure 150 psi. g.

What is a two-stage compressor?

First stage, air is compressed to approximately 30 psi. g., cooled, then compressed to final pressure in the second stage. Normal maximum pressure 200 psi. g.

Note: two stage provides more air for less energy.

What is the cost of air leaks?

Air leak size: 0.75mm dia = CFM lost: 1.6 = Energy: 300W
Air leak size: 1.50mm dia = CFM lost: 6.5 = Energy: 1100W

Cost: A typical garage working a 7-day week (service station) multiplied by 365 days
£550.00 per year

Where did the pressure go? – pressure drop

A 10-metre length of air hose flowing 15 CFM at 100 psi. g. will lose the following pressure:
1/4″ bore loses 30 psi. g.
5/16″ bore loses 12 psi. g.
1/2″ bore loses 1 psi. g.

What does PSSR stand for and is it important?

The Pressure System Safety Regulations 2000. It is a mandatory requirement, please find our section on Written schemes for more information.

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Atlas automan air compressor
Atlas automan air compressor