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Best Air Compressors for Diving Tanks

Air Compressors for Diving Tanks

If you are looking for an air compressor for your diving tank, you may be wondering where to start your search. Air compressors for diving vary greatly in terms of affordability, pressure and size, and consideration needs to be given to ongoing running and maintenance costs, in addition to storage and ease of use.

Find the best air compressor for your particular needs with Expert Market.

Compressors which provide clean air for divers vary in size but can be portable, often on wheels, and they usually take around 20 minutes to directly fill a diving tank. If the compressor needs oil for lubrication, you will require filters to remove contaminants from the oil in order to provide fresh breathing air. Oil-free air compressors for diving are generally a little more expensive than those using oil, but they can save money by negating the need for additional filters.

Considerations before buying a diving air compressor

What filters will I need?

Filters required with many diving air compressors include:

  • Water
  • Carbon monoxide
  • Carbon dioxide
  • Oil particles
  • Other general contaminants

(You may need to buy your filtration system separately from the compressor).

A scheduled maintenance routine is recommended to keep the compressor running smoothly, and testing air quality on a regular basis will ensure there is no contamination present in your tank.

Power supply – which is better, gas or electric?

220-240v electrical systems are generally required for smaller, portable diving air compressors, so you will need to make sure that your home or garage is wired correctly. It is also possible to buy gas-powered compressors, which offer the advantage of being able to be used away from home.

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How much knowledge is required to own and maintain an air compressor?

It is wise to learn how air compressors work, and how to maintain your compressor if you intend to buy one. It can be very expensive to pay for maintenance or rectify any servicing mistakes.

Below are a couple of ideas for diving air compressors, to give you an idea of what is on the market:

Celtic Diving Company

The Celtic Diving Company offers a MCH 6/EM 2.8 cfm single phase electric air compressor, which is a lightweight model weighing 40kg. This compressor for diving can be used in the home.

It is economical to use and offers a filling time of 25 minutes for a 10 litre cylinder at 0-200 Bar, and costs £2,154. You can also buy a slightly heavier model from this company, with protective case and handles for £2,229.

These prices do not include shipping, and you will need to contact the company to arrange delivery. Celtic Diving Company arranges boat charter and dive trips, and is based at Fishguard Harbour in Pembrokeshire.

L&W Diving Products

L&W Diving Products is based in Kettering and has many years’ experience of providing diving equipment. They offer a pre-owned Hamworthy petrol-driven 4-stage pure/breathing air compressor for £1,800.

This machine was previously owned by the Ministry of Defence, and full maintenance/service records are provided. The Ministry of Defence originally bought this compressor for £25,000 in the 1990’s.

This is only a small sample of what is on offer if you want to buy an air compressor for your diving tanks.