Control Valves, Process Control Instruments and Systems Control Valves, Process Control Instruments & Systems - KECO Engineered Controls About Us Manufacturers Applications Products Featured Products RFQ / Order Contact Us Site Map For NEW equipment see our Featured Products section. If you need dependable, high quality control valves, process control instrumentation, and replacement parts, you've come to the right place. You receive carefully selected products to meet your combustion, flow, level, pressure, steam, and temperature control requirements. Our objective is to help you to ensure th