8048137

Name: Festo 8048137 Quarter turn actuator DFPD-240-RP-90-RS30-F0710
Brand: Festo

Quarter turn actuator DFPD-240-RP-90-RS30-F0710

The Festo 8048137 is a single-acting gear rack/pinion industrial valve actuator featuring a size 240 construction, an F0710 flange hole pattern, and a nominal swivel angle of 90 degrees with an end-position adjusting range of -5 deg to 5 deg at both 0 degrees and the nominal angle. Operating at a nominal pressure of 3 bar (43.5 psi) within a 2 bar to 8 bar range and a 24 bar burst pressure, this safety device closes to the right via spring force when compressed air is switched off and the spring chamber is exhausted. It complies with ISO 5211 and VDI/VDE 3845 NAMUR standards, incorporates a VDI/VDE 3845 Size AA 2 connection point for positioners and sensors, features a 24 mm shaft connection depth, and is certified for safety functions up to SIL 2 in low demand mode, SIL 1 in high demand mode, and SIL 3 in a redundant architecture according to ISO 13849 and IEC 61508. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 8048137
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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: 0.3 MPa | 3 bar | 43.5 psi
Maritime classication: See certicate

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