Hartwell, 900 Richfield Rd, Placentia, CA 92870, US

CIRCOR Aerospace, a subsidiary of CIRCOR International, offers a wide choice of valves and controls for industrial, aerospace and military applications. Products range from discrete components to integrated assemblies to complete fluid control systems. The company s product line consists of precision valves, such as check, relief, shutoff and solenoid valves and pressure regulators for small diameter piping requirements. Specialty designs include electro-mechanical valves, pressure sensing gauges and pressure control systems. Its products are utilized in nearly all commercial aircraft, weapons systems and space exploration programs, as well as employed worldwide in medical chemical processing, gas, oil, water and sewage systems, deep-submergence, life support, laboratory and office equipment and in heavy machinery and general instrumentation. CIRCOR Aerospace is located in Corona, Calif.