Cyclone Valve Exercise Tool The Cyclone VET valve exercising tool was created to provide safe operation of manual valves by eliminating the new for valve wrenches and “cheater” bars. The versatile, lightweight and portable design can be used on various valve sizes and models. Designed for routine valve cycling and maintenance Quick installation and operation Shortens cycle times and increases operator safety Safely operates valves ranging from: 8″ to 48″ diameter valves Pressure classes up to 1,500 lbs Hand wheel size range 12″ to 48″