Automotive compressor - an indispensable thing in the trunk of your car. It is not always possible to call for the maintenance station to pump a wheel, so it is worth buying a compressor. Moreover, the places in the car he will take quite a bit.
1
Modern compressors, in contrast to the history of foot and hand pumps, feed from the on-board network of cars at 12 volts. Today, the trading network presents membrane and piston compressors. The membrane compressor is more maintained, i.e. If he broke out a rubber membrane, then it can be easily replaced with a new one. In the piston compressor, if the cylinder was worn, according to which the piston moves, it is impossible to replace the cylinder, and the compressor will have to just pass into the pit. Membrane compressors are mainly used to pump tires up to 14 inches, and piston are also for large sizes.
2
All modern compressors have a built-in pressure gauge, which shows the internally air pressure in the tires. When choosing a compressor, you need to pay attention to the pressure gauge, it must be well readable. It is desirable that the scale has a designation both in atm (or bars) and in PSI - international pressure designation.
3
The maximum value of tire pressure and performance (pump speed) can be found in the passport to the device. For ordinary cars, choose a compressor with a capacity of 30-40 liters per minute, which will provide tires to a value of 2.5 - 3 atm. Such compressors are connected through the cigarette lighter socket or onboard socket. For more powerful machines, such as SUVs, buses or mini-vena, compressors are also needed more powerful with a capacity of 50-70 liters a minute. They are connected directly to the battery terminals, since the car's wiring may not withstand large loads if the compressor is connected through a regular outlet.
4
The housing of the compressor can be both plastic and metal. The metal case is more reliable and durable, but such a compressor will weigh more than in a plastic case. If you gathered to buy a lighter compressor with a plastic case, then it must be non-combustible, shockproof and frost-resistant. The compressor air hoses and the feed cable must be such a length so that it may be reached to the most extreme wheel.
5
Compressors' prices for different manufacturers are not particularly different and, as experience shows, in terms of cost up to 1000 rubles - these are compressors for conventional cars, and in the range of 1,000 - 2,000 rubles - these are compressors for SUVs, mini-WaN and buses.
If you have a compressor in the trunk, do not be lazy and check the tire pressure at least once a month. So you will avoid annoying misunderstandings, as a suddenly lowered wheel.
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