Parker has a comprehensive range of ultra high purity valves (UHP) that are suitable for use within a wide variety of markets. Our UHP valves offer a selection of valve types and functions to suit the needs of your applications and are designed to offer excellent leak integrity, high cycle life and low particle generation. With the capability of working with a wide variety of media, our ultra high purity valves are able to meet nearly every design requirement. The range includes electro-pneumatic manual and air-actuated diaphragm valves that are capable of operating under a range of temperatures and pressures making them suitable for extreme conditions.