8151228

Name: Festo 8151228 Semi-rotary drive DFPD-240-RP-90-RS55-F0710
Brand: Festo

Semi-rotary drive DFPD-240-RP-90-RS55-F0710

The Festo part number 8151228 is a single-acting industrial component featuring a gear rack and pinion structural design with a valve actuator size of 240, an F0710 flange hole pattern, and a nominal swivel angle of 90 degrees that closes to the right. Operating within a pressure range of 2 bar to 8 bar and a nominal operating pressure of 5.5 bar, this safety device incorporates an end-position adjusting range of -5 degrees to 5 degrees at both 0 degrees and the nominal swivel angle, a 24 mm shaft connection depth, and an ISO 5211 standard valve connection that conforms to VDI/VDE 3845 (NAMUR). It provides certified safety functions compliant with ISO 13849 and IEC 61508 for use in safety-related control systems up to SIL 2 in low demand mode, SIL 1 in high demand mode, and SIL 3 in a redundant architecture, driven by spring force when the compressed air is switched off and the spring chamber is exhausted. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this component.

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Manufacturer: Festo
Part number: 8151228
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Technical Specifications

Size of valve actuator: 240
Flange hole pattern: F0710
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: 24 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: 0.55 MPa | 5.5 bar | 79.75 psi
Maritime classication: See certicate

Engineering context

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Our sourcing response is prepared against Festo 8151228. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.