549679

Name: Festo 549679 Quarter turn actuator DAPS-0720-090-RS3-F12
Brand: Festo

Quarter turn actuator DAPS-0720-090-RS3-F12

This Festo industrial component, part number 549679, is a single-acting valve actuator featuring a size 0720 kinematic yoke system with an F12 flange hole pattern and a 90-degree swivel angle. It incorporates an ISO 5211 standard valve connection that conforms to VDI/VDE 3845 (NAMUR), an un-cushioned design with no position sensing, and an adjustable end-position range of -1 to 9 degrees at 0° and 81 to 91 degrees at the nominal swivel angle. Operating within a pressure range of 4.2 to 8.4 bar (0.42 to 0.84 MPa) and a nominal operating pressure of 5.6 bar (0.56 MPa), the unit achieves a maximum swivel frequency of 1 Hz at 6 bar and supports functional safety up to SIL 2 in low demand mode. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this unit.

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Manufacturer: Festo
Part number: 549679
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Technical Specifications

Size of valve actuator: 0720
Flange hole pattern: F12
Swivel angle: 90 deg
End-position adjusting range at 0°: -1 deg...9 deg
End-position adjusting range at nominal swivel angle: 81 deg...91 deg
Depth shaft connection: 38.5 mm
Information on the end-position adjusting range: One end position optionally adjustable
Standard connection for valve: ISO 5211
Cushioning: No cushioning
Mounting position: Any
Mode of operation: Single-acting
Structural design: Kinematic yoke system
Position sensing: None
Closing direction: Closes to the right
Valve connection conforms to standard: VDI/VDE 3845 (NAMUR)
Safety integrity level (SIL): Up to SIL 2 low demand mode
Connection pressure for spring force: 0.42 MPa | 4.2 bar
Operating pressure: 0.42 MPa...0.84 MPa | 4.2 bar...8.4 bar
Nominal operating pressure: 0.56 MPa | 5.6 bar
Max. swivel frequency at 6 bar: 1 Hz
CE marking (see declaration of conformity): as per EU explosion protection directive (ATEX)
UKCA marking (see declaration of conformity): acc. to UK EX instructions
Explosion prevention and protection: Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
Certicate issuing authority: German Technical Control Board North (TÜV Nord) 212170801
ATEX category gas: II 2G
ATEX category for dust: II 2D
Type of ignition protection for gas: Ex h IIC T6...T3 Gb X

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