RS PRO Rotary Knob Pneumatic Manual Control Valve HVFF Series To turn air pressure on and off in pneumatic devices, use this pneumatic manual control valve from the trusted RS PRO brand. It's used in devices such as paint sprayers, drills or ventilators. The push-on and screw-collar design of this control valve ensures a secure connection, making it particularly suitable for instrumentation, vacuum and general-purpose applications. You can safely use the valve with nylon or polyurethane tubing in working pressures up to 10 bar and at temperatures between 0°C and +60°C. The valve is made from long-lasting polyoxymethylene and has a 6 mm thread size. The valve has two ports and two positions and can be effectively controlled by a rotary knob. This control valve also makes it safe to maintain your devices once any remaining pressure is removed from the pneumatic device. You'll find it used in environments including construction and medicine. Features and Benefits - Highly durable POM (polyoxymethylene) body material - Blue control switch - Maximum operating pressure of 10 bar - HVFF manufacturer series - Two ports. Off position vents outlet residual pressure - Minimum operating temperature of 0°C - Maximum operating temperature of +60°C - Two positions - Rotary knob control mechanism