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4 Form P6401-Edition 6
Reversible Motor Applicatons Air Flow Information
NOTICE
When these motors are used on applications requiring a reversible motor, a 4–way throttle valve or two 3–way throttle
valves must be used in the air supply line in accordance with the following schematic diagram (TPB491).
When the application requires a non–reversible motor, a 2–way inline valve can be used in the air supply line. In either
case, the inlet and outlet of the valve must be equal in size, and preferably one size larger, than the inlet of the motor.
(Dwg. TPB491)