Kelso Technologies Inc. designs, engineers, markets, produces and distributes various proprietary pressure relief valves in the United States and Canada. It offers rail and road transport equipment, such as pressure relief, vacuum relief, and bottom outlet valves; pressure cars; pressure relief; one-bolt manway; emergency response kit; pressure differential; service bulletins; and installation manual updates. The company also offers fueling valves; and equipment for tank trailers. Its products a...