This 1-1/2 inch spray control valve is designed for 1965 and later Piper Pawnee aircraft. It features a 3-way ball mechanism for pilot control of the spray system, allowing liquid recirculation in the off position. Constructed from stainless steel and aluminum, it maintains consistent performance with improved models.
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Overview
1-1/2 inch Piper Pawnee spray valve for 1965 and later Pawnee aircraft. The 3-way ball valves are for pilot control of the spray system. In the off position, the liquid is recirculated in the hopper. At the same time, the venturi in the recirculating port is connected to the discharge port of the valve which applies negative pressure on the boom to reduce the pressure on the nozzle and eliminate trailing. Transland stainless steel and aluminum valves have the same balls and seals. Any new, improved stainless steel models will have the same basic components.
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