Profile: King Mechanical Specialty deals with plant maintenance and process control equipment. Our brands include Duriron™, Kinetrol™, DEMCO™, Ashcroft™, WKM™, Bernard™, Durco™, Resun™. We offer repair & rebuilding services for the valves, actuators, controls, and mountings. We also offer calibration services for pressure indicating and transmitting instruments. Our products include transmitters, pressure gauges, diaphragm seals, thermometers, orifice plates, thermocouples, thermowells and filters.