= Check valve
{wiki=Check_valve}
A check valve is a type of mechanical device that allows fluid (liquid or gas) to flow in one direction only, preventing backflow. This one-way flow is essential in various systems where maintaining the correct fluid direction is critical for operational efficiency and safety. \#\#\# Key Features of Check Valves: 1. **Design**: Check valves often have a simple design and can come in various types, including swing, lift, and diaphragm check valves.
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