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Guide to Maintaining your Oil-Free Air Compressor

Extend the Life of Your Oil-Free Air Compressor

Junair Quiet Oil-Free Medical & Dental Air Compressors
Junair Quiet Oil-Free Medical & Dental Air Compressors

Regular inspections and maintenance of oil-free air compressors will help to ensure that they remain in perfect working order for as long as possible, eliminating the need to buy a new one in a short period of time. Of course choosing the correct compressor for the job is important: This ensures that a unit is not over-worked or underpowered for the intended use.

Getting this decision right is vital and may require advice and assistance from a reputable source. But you can do a lot to ensure an extended lifespan of your existing unit with a few simple checks on a weekly basis.


Five Tips to Oil-Free Air Compressor Maintenance


1. Carry out regular Inspections of the Power Lead

Paying particular attention to the cable to see if it has become damaged due to wear and tear over time. If you see any damage, or even some fraying or something else you’re not sure about, don’t attempt to use the compressor. Switch it off immediately and call an electrician straight away.

2. Drain Your Compressor’s Air Receiver Weekly

Drain the tank weekly or as per the instructions because moisture is squeezed from the compressed air and will fill the tank and reduce the amount of air stored. Failure to do this will rot the tank and contaminate the air supplied and eventually the compressor will be damaged and stop working.

3. Check the Pressure is Not Too High

When the pump is running, check that the pressure is not too high, as this could also damage the compressor. See the instructions for the rating maximum: this will vary from model to model.

4. Observe the Compressors’ Behaviour

Ensure that the pressure switch is stopping and starting the compressor at the right pressure, and you should only rely on the lower pressure as the maximum. Remember that irregular behaviour can signify a fault. If you observe the oil-free air compressor displaying unusual characteristics then shut it down, unplug from the mains and check it or call a maintenance engineer.

5. Check Regularly for Leaks

Inspect the area around the compressor to make sure it’s not leaking, either when idle or running at the maximum pressure. If there are leaks, seek assistance immediately.


Laboratory Precision Ltd’s Range of Oil-Free Air Compressors

If your compressor is old or out of warranty, and any repairs or maintenance might not be worth the cost, contact Laboratory Precision Limited for a new one.

We have a range of top models, including:

Bambi HT oil-free medical and dental air compressors:








Jun-Air quiet oil-free medical and dental air compressors:







Ekom oil-free medical and dental air compressors:


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Guide to Oil-free Air Compressors for Dentists

Guide to Oil-Free Air Compressors for Dentists

The use of dental air compressors is strictly regulated because they must be exceptionally hygienic, so as not to cause infections or other problems for dentists’ patients. None of the materials used in the machinery, such as oil, must be allowed to seep into the air flow or they would lead to illness, and the dentist could be subject to legal action. That’s why there are standards of operation and regulations concerning dental air compressor use, and failure to abide by them could land a dental practice in trouble.


Boost Hygiene with Oil-Free Air Compressors

To ensure hygiene levels are maintained in the dental surgery, it’s essential to have an air compressor that doesn’t use oil, and there are many available. A potential difficulty with oil compressors is that if proper filtering is not used and oil can get into the air supply and be unknowingly ingested by the patient. That would represent a disaster for the dental practice as the patient would become ill and if word got out, people might go elsewhere for their dental treatment.

Also, dentists want their air compressors to run as quietly as possible, and with oil-free dental compressors you’d barely even notice them.


Choosing the Right Oil-Free Air Compressor

Junair Quiet Oil-Free Medical & Dental Air Compressors

Junair Quiet Oil-Free Medical & Dental Air Compressors

Another potential hazard with air compressors is that due to the relatively high humidity of the air, they can be a breeding ground for bacteria. To eliminate the threat, the compressor must have a dryer and an air filtration system that can remove the moisture and leave the air clean.

Dental air must be of a very high standard before it can be used, and prohibiting the growth of bacteria is essential to ensuring that it’s of the highest quality possible. Regular maintenance of the compressor is also essential, including replacement of the filter and cleaning of the dryer to remove the build up of any harmful elements. The compressor must be in top condition at all times to ensure no harm comes to patients.

Keeping Noise to a Minimum

Due to the benefits of oil-free compressors, today they should be the choice of all dentists, as well as others working in the medical field. They’re audibly non-intrusive and there’s no risk of oil causing any problems. Compressors in a dental surgery should be seen and not heard hence why you’ll hear the drill but the compressor powering it will be comparatively silent.


Buying Second Hand Equipment Can Cost You a Fortune

However, if you’re thinking about buying a used compressor for your dental practice and you find that it uses oil, it should be replaced to make sure it won’t fall foul of the regulations and standards concerning medical and dental air quality. Saving a few quid by buying second hand could cost you a lot, and put your practice at risk if something goes wrong.


Pricing and Sizing Are Important

Obviously, when considering the purchase of an air compressor, budget is an issue, as well as the size of them machine itself: will it fit into the surgery without causing problems? A good rule of thumb is to first determine where in the surgery the compressor will be placed, and then measure the space and compare that to the compressors you’re looking at to see what fits best, because compressors come in all sorts of sizes.  We can offer advice on compressor sizing depending on the size of the practice in which it is to be used.

When weighing up the prices of air compressors, decide what you want to use it for and then choose. There’s little point in going for a pricey model that has all sorts of features that won’t be any use to you when a simpler and cheaper compressor will do the job just as well.


For Medical, Laboratory & Food Industry Standards

In addition to their use in the medical sector, air compressors are also employed in food processing, where it keeps food safe and helps to meet health and safety regulations. They’re also used in the electronics industry, to keep dust and other particles, as well as moisture, away from sensitive circuit boards.


Bambi HT Oil-Free Air Compressors

bambi ht3 oil free compressor 320

Bambi HT3 Oil Free Compressor

Laboratory Precision Ltd has a range of clean-air compressors that run efficiently and quietly and fit all requirements. Bambi HT oil-free medical and dental air compressors are low-maintenance and extremely quiet. They are the perfect choice for dental surgeries and right across the healthcare sector as well as being fully compliant with regulations and standard. In fact: exceeding them in their operation.

 Jun-Air Oil-Free Air Compressors

Jun Air 2000 40bd2 oil free dental air compressor

Jun Air 2000 40bd2 oil free dental air compressor

Another leading choice are Jun-Air oil-free medical and dental air compressors. Since 1958, these compressors have been sold all around the world, in industries including dental, medical, beverage and laboratory. Today, the company continues to refine their compressors to make them even more reliable and top-quality. With ‘quiet run’ or silent running options and  a reputation for reliability these make excellent choices for dental surgeries and food or medical sectors, alike.

Ekom Oil-Free Air Compressors

Ekom tower oil free air compressor system

Ekom tower oil free air compressor system

Ekom oil-free medical and dental air compressors are another good choice from Laboratory Precision Ltd. Ekom specialise in compressors for the dental industry, whether for small practices or large hospital operations. These high-standard compressors are the ideal fit for dental chairs. Their range caters from one dental unit up to several units including the pictured tower system which can be customized to suit you requirements with four, six, nine, twelve or fifteen oil-free piston compressor pumps & with adsorption air dryer system.

Contact Us if you Require Help

If you’d like more information about what kind of compressor is best suited to your needs, call us today on +44 1327 877774 or email <email>.

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Compressed Air Supply Questions and Answers

Compressed Air Supply Questions and Answers

Before buying a compressor you need to know.

What pressure is required?
How much air will you need to use?  How many LPM or CFM.
Does the air need to be clean?
Does the air need to be dry?
Does the compressor need to be silent?  i.e. below 65 db.

Selecting a suitable air compressor.

Small Oil lubricated compressors are usually quieter but as they wear they can throw oil into the supply line which may or may not be an issue as some workshop machines or tools require lubrication in any case.

If clean air is the most important criteria, then an oil free compressor is what you require and addittional filters can be added to whichever specification you require.  If dry air is also important to prevent bacteria growth, then the oil free compressor will need to be fitted with a dryer.  Oil free compressors are also quiet when supplied in a dedicated soundproof cabinet.

Compressed air supply considerations

An air supply of up to 80 psi (5.5 Bar) is the pressure that you will find most small compressor units will supply but some provide less.  In house air (i.e. air supplied to a clean-room or workshop from a large central compressor) will likely be reduced by “pressure drop” due to an extended distance to the outlet or, by other users closer to the compressor.  Because of these issues, a small, dedicated compressor is sometimes the best way to keep the pressure and flow constant.

It is most important to know how much air i.e. how many LPM (litres per minute) or CFM (cubic feet per minute) the machine you are using requires, as well as the required pressure in PSI (pounds per square inch) or (BAR).

How the compressed air is generated

The amount of air supplied is determined by the volume which the pump unit can generate depending on its size or the speed it operates.  Overuse or leaking air will deplete the amount stored in the compressor’s tank and cause the pump to run, sometimes continuously.  Most compressors are designed to run 50% of the time and others are 100% rated, however, in a warm atmosphere, any compressor can overheat and in such circumstances it will fail.

At LPL we prefer that our customers ask our opinion to ensure they buy the correct compressor.

Ken Marshall
Director of Engineering
Laboratory Precision Ltd. ©