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A detailed buying guide: how to choose a tyre inflator gun.
This section covers tyre inflator guns with a pressure gauge that connect to a compressor and let you inflate, check and deflate tyre pressure in one tool. They are used for car, motorcycle, bicycle, truck, farm machinery and wheelbarrow tyres in tyre shops, car workshops and home garages. These guns are simple, durable and need no battery, but they require an electric or petrol compressor.
There are simple guns with an analogue gauge, models with a rubber-protected gauge and digital versions, as well as models with a flexible or long hose. A standard model is enough for cars, while trucks need a wider measuring range. See what pneumatic tools are and how they work.
A typical gauge range is 0–10 or 0–12 bar (0–170 psi) with a 50–80 mm dial; digital models are more accurate and show bar, psi and kPa. Compressor pressure must exceed the required tyre pressure, especially for 7–9 bar truck tyres. Read how to choose compressor working pressure.
A clip-on chuck locks onto the valve and frees your hand, while a dual-head chuck suits twin truck wheels. Adapters let you inflate balls, bicycle valves and inflatables. The chuck is a wear part. See how to choose spare parts for pneumatic and hydraulic tools.
Models with a separate button or a second trigger position let you release excess pressure precisely without removing the chuck. Never exceed the maximum pressure marked on the tyre sidewall, and inflate only a tyre mounted on a rim. Read how to use pneumatic tools safely.
The gun hose is usually 0.3–1 m long, with a 1/4" inlet thread or a EURO, ORION or RAPID quick coupler. To reach all wheels of a vehicle, use a main hose 5–10 m long. See how to choose an air hose and quick couplers.
An inflator gun uses air only while inflating, so a compressor with a 24–50 l tank is enough for cars. For trucks and large tyres choose a bigger tank and higher air delivery. Read how to calculate compressor air delivery and how to choose an air compressor.
Air containing condensate carries moisture into the tyre and gauge, which damages the valve and distorts readings. Fit a filter and drain the compressor tank regularly. See how to prepare compressed air: condensate, filters, regulators, and lubricators and how to store and maintain an air compressor.
When inflating, do not stand in front of the tyre sidewall, wear safety glasses and check pressure in small steps. Do not inflate a damaged or bulging tyre. Read how to choose safety glasses and how to use an air compressor safely.
At ToolsArmenia you can compare tyre inflator guns by gauge type and range, chuck, hose length and deflation function and choose the right model for your vehicles.
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