Jansenâs Aircraft Systems Controls Inc. (JASC) engineers and manufactures actuators and fluid control components for power generation, aerospace, space, defense and research applications. The firm's products are suitable for use in aviation, space, chemical, food and beverage, marine, petroleum production and refining, water, oil and gas, mining and gas turbine industries. Providing solutions for a wide range of valve and control applications for its customers, JASC has experience with hydrocarbon liquid and gaseous fuels, sour gas, synthetic and hydraulic oils, pneumatics, gaseous hydrogen and silane, nitrous oxide, ethylene, cryogenic fluids and water