A. Local or remote actuation: Local control means the operator is at the valve and controls it directly. B. When the valve is located some distance from the operator such as at the bottom of the cargo tank, it is then necessary to install a reach rod for remote actuation. C. A reach rod assembly is a series of steel rods coupled to connect the stem of the valve in the tank to a valve operating stand on deck. D. In automated cargo systems, the valves are frequently operated using hydraulic or pneumatic motors connected to the stem « Previous Next »
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