The Camozzi 28 Series 283012 is a genuine unidirectional flow control valve designed for accurate regulation of airflow in one direction, while allowing unrestricted free flow in the opposite. This compact valve features an M5 threaded port for connection and an integrated push-in fitting suitable for Ø4 mm tubing. Constructed with a durable nickel-plated brass body, NBR seals, and a robust technopolymer adjustment knob, it ensures reliable and consistent performance across a wide range of industrial pneumatic applications. Ideal for controlling cylinder speeds and other pneumatic actuators.