How does a needle valve work? [Özkan]

Needle valves are used to control flow rates of fluid in the pipeline. In this video we present the Özkan needle valve and its benefits for use in water supply systems. https://www.hawle.com/en/products/con... The Özkan needle control valve can be operated with a handwheel or an electric actuator, and available starting at DN 200 to DN 1600.