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The Festo QS-3/8-12-20 is a straight pneumatic adaptor used to connect a threaded air port to a plastic tube without extra fittings. One side has a G 3/8 male thread, while the other side accepts a 12 mm push-in tube. It is commonly used in compressed air systems where quick installation and a reliable seal are required. This fitting is designed for everyday industrial use and works well in control panels, machinery, and automation setups.
The push-in side allows the tube to be inserted directly without tools. Once inserted, the tube locks in place and stays secure under normal operating pressure. This speeds up installation and reduces the risk of leaks caused by poor tightening.
This adaptor is built for standard pneumatic applications using compressed air. It provides a tight, consistent connection that helps maintain system pressure and airflow. When installed correctly, it supports stable operation without constant retightening or adjustment.
The straight design helps keep tubing runs neat and aligned, especially in tight spaces.
For more information please check the datasheets.
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