As the name implies, an oil free air compressor does not use oil to operate; instead, the air is compressed through the action of screws without the benefit of an oil seal. These types of compressors generally can’t handle the pressure capability of its oil counterparts. They are also less expensive, due to their smaller capacity and size.
There are three types of compressors: rotary screws, reciprocating air, and rotary centrifugal. The type used will depend on the size and type of your operation. The rotary screw air compressor is one of the most popular oil free choices. It uses screws (rotors) which maintain perfect alignment using timing gears. Oil free compressors will greatly reduce the risk of oil spills and contamination.
Uses For an Oil Free Air Compressor
They can be used very effectively around the house for small handyman jobs. They can generally keep two or three tools going at once, such as nail guns. เครื่องอัดอากาศ They are also used in fields such as medical research, and the food industry where oil spills and run-offs would be considered unacceptable. Construction, auto manufacturing and repair industries also use these types of compressors to one degree or another.
Lifespan of an Oil Free Air Compressor
The lifespan of an oil free air compressor is not as long as compressors that use oil. They are not as durable, and don’t have the metal surrounding them to protect them when they get knocked around, as this is more than likely to happen. Prepare for them to break down more often. The life can be extended, however, with proper care and regular maintenance.
Power Needed for an Oil Free Air Compressor
The amount of power you need will ultimately depend on the size of air compressor you’ve chosen. Read the instructions carefully; knowledgeable staff from the store you bought it from can also help answer your questions. Be sure to take into consideration the other tools you will be using. You will need to have enough amp power to run all of your equipment safely and effectively.
An oil free air compressor, although lighter and less durable, can still provide an output of 150 psig, with a volume of over 2000 cubic ft. per minute. There are many different styles and brands, so shop carefully if you are looking to buy one. The cost can be anywhere from $3000 – $10000. They are also a popular rental item, for those who will not use them regularly. Check your local yellow pages for businesses that rent this type of equipment.
You can also do some online research to get an idea of what is available and what kind of price you’ll be looking at. Know your budget ahead of time, and buy only what you need; don’t let a high-pressure salesperson talk to you into getting a bigger unit that won’t serve your purpose. Always look for quality over price if you want your investment to last as long as possible