Spence Engineering 700123-04 Pressure Reducing Pilot, Type D, is a pilot-operated device that maintains a set downstream pressure by modulating the main valve in automatic control systems. This unit carries model number 70012304 and the Type D designation and is designed to function as the control pilot within valve assemblies to provide a stable reference signal for valve actuation. It is part of Spence Engineering's family of pressure-reducing pilots, used wherever automatic pressure regulation of a process line is required.
