574399

Name: Festo 574399 Rotary actuator DRRD-16-
Brand: Festo

Rotary actuator DRRD-16-

The Festo 574399 is a double-acting industrial component featuring a size 16 gear rack and pinion structural design with a 180-degree swivel angle and one intermediate position. It operates on compressed air compliant with ISO 8573-1:2010 [7:4:4] at pressures from 0.2 MPa to 1 MPa (2 bar to 10 bar) and supports any mounting position with position sensing via a proximity switch. This unit incorporates elastic cushioning rings at both ends, internal hydraulic cushioning in normal and soft variants, and external hydraulic cushioning for operation across an explosive ambient temperature range of -10°C to +60°C. Certified for ATEX Zone 1, Zone 2, Zone 21, and Zone 22 as well as UKEX equivalents with EPL Gb and Db ratings, the assembly carries II 2G Ex h IIC T4 Gb and II 2D Ex h IIIC T120°C Db explosion protection markings. Submit your exact part number, quantity, and application requirements to receive a formal quotation for this component.

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Manufacturer: Festo
Part number: 574399
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Technical Specifications

Size: 16
Swivel angle: 180 deg
Cushioning: Elastic cushioning rings/pads at both ends | 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: 1.59 Nm
Permissible mass moment of inertia: 0.0175 kgm²...0.09 kgm²

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