Festo DRD-1-F03 189781 Pneumatic Actuated Ball Valve 1/4" NPT S4 10 Bar

Festo DRD-1-F03 189781 Pneumatic Actuated Ball Valve 1/4" NPT S4 10 Bar

The Festo DRD-1-F03 is a quarter-turn pneumatic actuated ball valve combining a rack-and-pinion rotary actuator with a three-piece stainless steel ball valve body. The actuator uses compressed air to open and close the ball valve, providing reliable on/off flow control without manual intervention. Port size is 1/4" female NPT, and the actuator is rated for S4 duty cycle at a maximum operating pressure of 10 bar (145 PSI), with a minimum air supply of 80 PSI.

Specifications & What's Included

Manufacturer: Festo
Model: DRD-1-F03
Part Number: 189781
Type: Pneumatic Rotary Actuated Ball Valve
Actuation: Quarter-turn pneumatic (rack-and-pinion rotary actuator)
Port Size: 1/4" Female NPT
Maximum Operating Pressure: 10 bar (145 PSI)
Minimum Air Supply Pressure: 80 PSI
Duty Cycle: S4
Valve Body Material: Stainless steel (three-piece construction)
Actuator Body: Aluminum alloy
Pneumatic Connections: Two push-in fittings on actuator body (visible on rear)
Mounting: Integral steel bracket with two mounting holes for panel or manifold mounting
Note: Minor chip on upper piston of actuator body (cosmetic; does not affect function)

Applications

Festo pneumatic actuated ball valves like the DRD-1-F03 are widely used in industrial process automation wherever remotely controlled on/off flow switching is needed. Common applications include fluid and gas handling lines in chemical processing, food and beverage production, pharmaceutical manufacturing, semiconductor fabrication, and general factory automation. The quarter-turn ball valve design provides fast, full-bore switching with minimal pressure drop, while the pneumatic rotary actuator allows the valve to be controlled by a solenoid valve or PLC output without manual access to the line. Stainless steel body construction makes this valve well suited for corrosive media, clean-in-place (CIP) systems, and hygienic process environments. Festo's DRD series actuators follow ISO 5211 mounting standards, making them compatible with a wide range of valve bodies and actuator accessories including position sensors and solenoid manifolds.

Condition: Used
This Festo DRD-1-F03 pneumatic actuated ball valve (PN 189781) was pulled from a working environment where it was in active service and is still functional. There is a chip missing on the upper piston of the actuator body — visible in the photos — but this cosmetic damage does not affect operation. The stainless steel ball valve body and tie-rod hardware show typical surface wear consistent with industrial use, and the actuator body has general grime and minor scuffing across its exterior. The mounting bracket is intact with both holes clear. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.

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Brand	Festo
Diameter	1/4 in
MPN	189 781 DRD-1-F03

Festo DRD-1-F03 189781 Pneumatic Actuated Ball Valve 1/4" NPT S4 10 Bar

Specifications

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