Humphrey H180, HA180 Air Pilot Valves are directional control valves which are highly reliable and versatile. They achieve a high flow of 0.57 Cv capacity in an 18mm width. These valves are a popular choice for operating medium size cylinders (up to 2.5″ bore size). 5 port models available as inline valves or manifold mount on two manifold configurations, A or F type. The valves are available in single air-pilot, air spring return, or double air-pilot, detented.