Profile: Colson Industries Ltd. specializes in the manufacture of key valves for chemical, offshore, and oil & gas industries. We are an ISO 9001:2000 certified company. Our products include ball valves, needle, check, manifold, system manifolds, and double block & bleed valves. Our ball valves have features like flexible design, wide range of end connections, ease of maintenance, choice of lever, pointer handles, and panel mounting. Our needle valves are used in flow lines to prevent loss of burst hoses or failed connections, and have features like bubble tight closing, and reverse flow in circuits. Our manifold valve has mounting holes as standard, adjustable gland packing NS head, stem seal below actuating threads, and metal bonnet seal for pressure tightness even at elevated temperatures. We provide system design services.