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Festo
190251
Semi-rotary actuator DRE-77-F10-Q10-FO-O
The Festo 190251 is a single-acting rack and pinion industrial component featuring an actuator size of 77 with an ISO 5211 F10 flange hole pattern and a 90-degree swivel angle. Operating within a pressure range of 2 to 10 bar using dried compressed air, this unit incorporates a VDI/VDE 3845 NAMUR valve connection and offers adjustable end-positions from -4 to 8 degrees at 0° and -8 to 4 degrees at 90°. Certified for ATEX ambient temperatures from -20°C to +60°C with an II 2 GD c X identification, the assembly functions in any position without cushioning and includes a CRC 3 corrosion resistance classification for temperatures spanning -20 to 80 °C. Submit the exact part number, quantity, and application requirements to request a quote for this component.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 190251
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 190251.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size of actuator
- 77
- Flange hole pattern
- F10
- 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)
- Operating pressure
- 2 ... 10 bar
- ATEX identification
- II 2 GD c X
- ATEX ambient temperature
- -20°C <= Ta <= +60°C
- Operating medium
- Dried compressed air, lubricated or unlubricated
- CE symbol (see declaration of conformity)
- according to EU-Ex protection guideline (ATEX)
- Corrosion resistance classification CRC
- 3
- Ambient temperature
- -20 ... 80 °C
- Torque at 6 bar
- 567 Nm
- Spring return moment
- 203 Nm
- Air consumption at 6 bar per cycle 0°-90°-0°
- 18 l
- Product weight
- 19,800 g
- Shaft connection
- V22
- 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 190251. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.