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Festo
557545
Semi-rotary actuator DFPB-120-090-F0507
The Festo 557545 is a size 120 rack and pinion double-acting industrial component featuring a 90-degree swivel angle and an F0507 flange hole pattern. Operating within a 1 to 8 bar working pressure range at a nominal working pressure of 5.6 bar, this unit utilizes compressed air conforming to ISO 8573-1:2010 [7:4:4] with lubricated operation possible for subsequent cycles. Rated for use up to SIL 3 in Low Demand mode, the device includes ATEX certification for gas category II 2G (c T4 X) and dust category II 2D (c 125°C X) within an ambient temperature range of -20°C to +80°C. Request a quote by submitting the exact part number, quantity, and application requirements.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 557545
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 557545.
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Verified configuration
Technical Specifications
- Size of actuator
- 120
- Flange hole pattern
- F0507
- Swivel angle
- 90 deg
- Cushioning
- No cushioning
- Assembly position
- Any
- Mode of operation
- double-acting
- Design structure
- Rack and pinion
- Position detection
- No
- Valve connection conforms to standard
- Based on VDI/VDE 3845 (NAMUR)
- Safety Integrity Level (SIL)
- bis SIL 3 Low Demand mode
- Working pressure
- 1 ... 8 bar
- Nominal working pressure
- 5.6 bar
- ATEX category Gas
- II 2G
- Explosion ignition protection type Gas
- c T4 X
- ATEX category Dust
- II 2D
- Explosion ignition protection type Dust
- c 125°C X
- Explosion-proof ambient temperature
- -20°C <= Ta <= +80°C
- Ambient temperature
- -20 ... 80 °C
- Operating medium
- Compressed air in accordance with ISO8573-1:2010 [7:4:4]
- Note on operating and pilot medium
- Lubricated operation possible (subsequently required for further | operation)
- CE symbol (see declaration of conformity)
- according to EU-Ex protection guideline (ATEX)
- Corrosion resistance classification CRC
- 3
- Torque at rated working pressure and 0° rotation angle
- 106 Nm
- Note about the torque
- Das Betriebsdrehmoment des Antriebs darf nicht höher sein als das in | der ISO 5211 aufgeführte maximal zulässige Drehmoment, bezogen auf | die Größe des Befestigungsflansches und der Kupplung.
- PFD (Probability of Failure on Demand)
- 4.95E-06
- Product weight
- 4,200 g
- Pneumatic connection
- Subbase | G1/8
- Materials note
- Conforms to RoHS
- Materials information for drive shaft
- Wrought Aluminum alloy | Anodized
- Materials information for cover
- Aluminum die cast | coated
- Materials information for seals
- NBR
- Materials information, housing
- Wrought Aluminum alloy | Anodized
- Materials information for nut
- Wrought Aluminum alloy | Anodized
- Screw material data
- High alloy steel, non-corrosive
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 557545. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.