8102864

Name: Festo 8102864 Quarter turn actuator DFPD-N-480-RP-90-RS45-F12-R3-C
Brand: Festo

Quarter turn actuator DFPD-N-480-RP-90-RS45-F12-R3-C

This Festo industrial component features a size 480 valve actuator with a gear rack and pinion structural design, a 90-degree swivel angle, and an ISO 5211 standard connection for valves. Operating at a nominal pressure of 4.5 bar (0.45 MPa) with an operating range of 2 bar to 8 bar, this single-acting safety device closes to the right and utilizes spring force to switch to a defined safety position upon air exhaustion. The unit includes VDI/VDE 3845 NAMUR valve connections, a VDI/VDE 3845 Size AA 2 connection point for positioners and sensors, and is certified for safety functions up to SIL 2 in low demand mode and SIL 3 in a redundant architecture per IEC 61508 and ISO 13849. Submit the exact part number, quantity, and application requirements to receive a quote.

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Manufacturer: Festo
Part number: 8102864
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Technical Specifications

Size of valve actuator: 480
Flange hole pattern: F12
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: 29 mm
Standard connection for valve: ISO 5211
Mounting position: Any
Mode of operation: Single-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 2
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 when the compressed air is switched oﬀ and | the spring chamber is exhausted. This switching movement is achieved | through the spring force of the spring assembly.
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: 0.45 MPa | 4.5 bar | 65.25 psi
Maritime classication: See certicate

Engineering context

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Our sourcing response is prepared against Festo 8102864. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.