Parker Hannifin 521811000 Directair 4 Series 52 Inline and Subbase Air Control Valve, 4-Way, 3-Position, Closed Center, Lever Actuation, Spring Return, Direct Pipe Ported Mounting

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Parker Hannifin 521811000 Directair 4 Series 52 Features

• 1/4 inch ports

• Three (3) center conditions available on 3-position valves

• Single & double solenoid and single & double remote pilot operated

• Stainless steel spool withstands wear and corrosion

• Precision aluminum extruded body

About Parker Hannifin 521811000 Directair 4 Series 52

Description These valves are used to operate single-acting cylinders. A "maintained" electrical signal shifts the valve. When the signal is removed the valve returns to its normal position. Valves may be externally piloted or converted to normally open. (See Technical Data page for conversion to external pilot.) These valves are used to operate single-acting cylinders. A "momentary" electrical signal applied to one of the solenoids shifts the valve. The valve remains in this position until a "momentary" signal is applied to the other solenoid. (See Technical Data page for conversion to external pilot.