1. Consider accident prevention
Safety is always the first element to consider. There are several sources of accidents related to the use of compressed air. Unfortunately, these accidents can have serious consequences for users and pneumatic equipment. Preferably, opt for a Air Quick Coupler that prevents dangerous hose whips or accidental disconnections.

2. Consider the air pressure and flow requirements of the applications (PSI and SCFM)
Air tools operate at variable air pressures and airflow rates specified by the manufacturers. The inside diameter of the air hose used can match the size of the fitting (e.g. ¼ I.D. hose, ¼ fitting). However, air pressure and air volume restrictions such as a 1/2 I.D. hose with a ¼ fitting must be avoided. The maximum operating pressure of the selected connection must be equal to or greater than the maximum pressure of the compressed air system.

3. Consider the plug profile used
The plug profile determines the coupler to be used. Most quick coupler fittings are associated with a single plug profile (except for the “Universal” type coupler that accepts multiple plug profiles). The opening of the plug determines the quantity of air (SCFM). Use a template (see product 96.030) to easily identify plug profiles and threads.

4. Consider the frequency of connection/disconnection
The connection/disconnection frequency of the coupler plays an important part in the choice of the fitting. If you must disconnect the fitting several times a day, you will opt for an automatic coupler (more practical than a manual quick release coupling).

5. Consider the working conditions
Consider the working environment when choosing a quick release coupling. Environmental and working conditions sometimes require the use of stronger or non-corroding fittings. Depending on the type of industry, consider the standards related to the use of compressed air.

6. Consider the protection of delicate surfaces
In specific industries and applications, the risk of scratches on finished products is unacceptable (car body, furniture manufacturing, etc.). Use scratch-resistant fittings, such as polyamide fittings, when the situation requires it. Polyamide fittings are also very light compared to metal fittings. They, therefore, offer better ergonomics if you handle them often. To avoid eventual discomfort, opt for a lightweight and practical solution.

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