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Festo
561954
Semi-rotary actuator DRE-77-F12-Q08-FO-O
The Festo 561954 is a single-acting rack and pinion industrial component featuring a size 77 actuator with a 90-degree swivel angle and an F12 flange hole pattern conforming to ISO 5211. Designed with no cushioning and no position detection, this unit operates on compressed air in accordance with ISO 8573-1:2010 [7:4:4] within a working pressure range of 2 to 10 bar in any assembly position. It includes an end-position adjustment range of -4 to 8 degrees at 0° and -8 to 4 degrees at 90°, a closing direction driven by spring force with opening, and a valve connection conforming to VDI/VDE 3845 (NAMUR). Certified for hazardous locations, it carries ATEX categories II 2G and II 2D with explosion ignition protection types c T6 and c 60°C for an explosion-proof ambient temperature of -20°C <= Ta <= +60°C. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 561954
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 561954.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size of actuator
- 77
- Flange hole pattern
- F12
- Swivel angle
- 90 deg
- End-position adjustment range at 0°
- -4 ... 8 deg
- End-position adjustment range at 90°
- -8 ... 4 deg
- Fitting connection conforms to standard
- ISO 5211
- Cushioning
- No cushioning
- Assembly position
- Any
- Mode of operation
- single-acting
- Design structure
- Rack and pinion
- Position detection
- No
- Closing direction
- Spring force, opening
- Valve connection conforms to standard
- VDI/VDE 3845 (NAMUR)
- Working pressure
- 2 ... 10 bar
- ATEX category Gas
- II 2G
- Explosion ignition protection type Gas
- c T6
- ATEX category Dust
- II 2D
- Explosion ignition protection type Dust
- c 60°C
- Explosion-proof ambient temperature
- -20°C <= Ta <= +60°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
- Ambient temperature
- -20 ... 80 °C
- Air consumption at 6 bar per cycle 0°-90°-0°
- 18 l
- Product weight
- 19,800 g
- Shaft connection
- V27
- Pneumatic connection
- Subbase | G1/4
- Materials note
- Contains PWIS substances
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 561954. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.