8048123

Name: Festo 8048123 Quarter turn actuator DFPD-120-RP-90-RD-F0507
Brand: Festo

Quarter turn actuator DFPD-120-RP-90-RD-F0507

The Festo industrial component, part number 8048123, is a double-acting gear rack and pinion valve actuator featuring a size 120 body, an F0507 flange hole pattern, a 90-degree swivel angle, and a 19 mm shaft connection depth. This unit operates at a nominal pressure of 0.55 MPa (5.5 bar / 79.75 psi) within an operating pressure range of 0.2 MPa to 0.8 MPa (2 bar to 8 bar / 29 psi to 116 psi) and a burst pressure of 24 bar, incorporating ISO 5211 standard valve connections and VDI/VDE 3845 (NAMUR) compliance. Certified for safety functions to ISO 13849 and IEC 61508, it delivers safety integrity levels up to SIL 2 in low demand mode, SIL 1 in high demand mode, and SIL 3 in a redundant architecture. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer: Festo
Part number: 8048123
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Technical Specifications

Size of valve actuator: 120
Flange hole pattern: F0507
Swivel angle: 90 deg
End-position adjusting range at 0°: -5 deg...5 deg
End-position adjusting range at nominal swivel angle: -5 deg...5 deg
Depth shaft connection: 19 mm
Standard connection for valve: ISO 5211
Mounting position: Any
Mode of operation: Double-acting
Structural design: Gear rack/pinion
Closing direction: Closes to the right
Valve connection conforms to standard: VDI/VDE 3845 (NAMUR)
Connection point for positioner and position sensor conforms to: VDI/VDE 3845 Size AA 1
Devices type according to VDMA 66413: Safety device
Safety function: The safety function consists of the actuator switching to the dened | safety switching position. This switching movement is achieved by | pressurizing the corresponding pressure chamber with compressed air. | The value of the torque generated depends on the pressure diﬀerence | between the two pressure chambers separated by the piston.
Safety integrity level (SIL): Up to SIL 2 low demand mode | up to SIL 3 in a redundant architecture | up to SIL 1 high demand mode
Certied for safety function to ISO 13849 and IEC 61508 (SIL): Product can be used in safety-related parts of control systems up to SIL | 2, low demand | Product can be used in safety-related parts of control systems up to SIL | 1, high demand | up to SIL 3 in a redundant architecture
Burst pressure: 24 bar
Operating pressure: 0.2 MPa...0.8 MPa | 2 bar...8 bar | 29 psi...116 psi
Nominal operating pressure: 0.55 MPa | 5.5 bar | 79.75 psi

Engineering context

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Our sourcing response is prepared against Festo 8048123. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.