RS PRO Rotary Knob Pneumatic Manual Control Valve HVFF Series This RS PRO pneumatic manual control valve is a reliable choice when using equipment that requires air pressure control. It's frequently used in paint sprayers, drills, vacuum systems and ventilators. The valve has a thread size of 8 mm and the body's made from tough polyoxyethylene (POM). The pressure is controlled by a blue rotary knob and it has two positions and two ports. The screw-collar and push-on feature create a tight connection, allowing it to maintain a maximum operating pressure of 10 bar. It's safe to use with nylon and polyurethane tubing too and has a 0°C to +60°C operating temperature. These rotary valves are used in the construction industry, medical sectors and other commercial environments. The control valve is designed to allow the safe maintenance of your equipment after you've removed the remaining pressure from the system. Features and Benefits - Highly durable POM (polyoxymethylene) body material - Blue control switch - Maximum operating pressure of 10 bar - HVFF manufacturer series - Two ports - Minimum operating temperature of 0°C - Maximum operating temperature of +60°C - Two positions - Rotary knob control mechanism