Oil, especially across the heartland of America, continues to be a hot topic. We were recently involved in a project to provide safe control of the ow. A Canadian oil and gas pipeline valve manufacturer presented us with a challenge to produce a right angle gearbox to manually actuate a pipeline valve. They had been originally building these gearboxes themselves. But as larger valves were being introduced, they preferred to nd a supplier to eliminate using internal resources and to reduce component costs. Before approaching us, they had diculty nding a supplier willing to meet their custom needs at an aordable price. The standard system design included a special hand wheel operated worm reducer with a gauge that indicated valve position. A sleeved jack shaft is then sunk up to 20 feet

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