574401

Name: Festo 574401 Rotary actuator DRRD-25-
Brand: Festo

Rotary actuator DRRD-25-

The Festo 574401 is a double-acting industrial component featuring a size 25 gear rack and pinion structural design with a 180-degree swivel angle and any mounting position. It operates on compressed air as per ISO 8573-1:2010 [7:4:4] at pressures from 0.2 MPa to 1 MPa (2 bar to 10 bar), utilizing elastic cushioning rings/pads at both ends alongside internal and external hydraulic cushioning options. Certified for hazardous locations with ATEX and UKEX compliance for gas Zone 1 (II 2G Ex h IIC T4 Gb) and dust Zone 21 (II 2D Ex h IIIC T120°C Db) within an explosive ambient temperature range of -10°C to +60°C, this unit supports position sensing via proximity switch and one intermediate position. Submit the exact part number, quantity, and application requirements for a quote.

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Manufacturer: Festo
Part number: 574401
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Technical Specifications

Size: 25
Swivel angle: 180 deg
Cushioning: Elastic cushioning rings/pads at both ends | Internal hydraulic cushioning, hard | External hydraulic cushioning | Internal hydraulic cushioning, soft | Internal hydraulic cushioning normal
Mounting position: Any
Structural design: Gear rack/pinion
Max. number of intermediate positions: 1
Position sensing: Via proximity switch
Operating pressure: 0.2 MPa...1 MPa | 2 bar...10 bar
Mode of operation: Double-acting
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 protection certication outside the EU: EPL Db (GB) | EPL Gb (GB)
Explosion prevention and protection: Zone 1 (ATEX) | Zone 1 (UKEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 21 (UKEX) | Zone 22 (ATEX)
ATEX category gas: II 2G
ATEX category for dust: II 2D
Type of ignition protection for gas: Ex h IIC T4 Gb
Type of (ignition) protection for dust: Ex h IIIC T120°C Db
Explosive ambient temperature: -10°C <= Ta <= +60°C
Operating medium: Compressed air as per ISO 8573-1:2010 [7:4:4]
Information on operating and pilot media: Operation with oil lubrication possible (required for further use)
LABS (PWIS) conformity: VDMA24364 Zone III
Ambient temperature: -10 °C...60 °C
Theoretical torque at 6 bar: 5.15 Nm

Engineering context

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Our sourcing response is prepared against Festo 574401. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.