DFM-25-40-P-A-GF – Guided Actuator – Festo Guided Cylinders

USD $ 204.54

SKU: Festo 170850

Manufacturer Part Number: Festo 170850
Festo Guided Cylinders: DFM-25-40-P-A-GF
OEM Spec Ref 

The Festo DFM-25-40-P-A-GF, with MPN 170850, is a high-performance Guided Cylinder meticulously designed to provide exceptional precision and stability in linear motion applications. This cylinder is engineered for demanding industrial environments, offering a robust solution for varied automation tasks.

Key Features:

  • High Precision Guidance: Ensures accurate and stable linear movement, crucial for applications requiring precise positioning.
  • Sturdy Construction: Built with high-grade materials, the DFM-25-40-P-A-GF withstands rigorous industrial use, ensuring durability and reliability.
  • Adjustable Cushioning: Features adjustable pneumatic cushioning to absorb impacts at the end of strokes, extending the life of the cylinder and associated machinery.
  • Magnetic Piston Option: Comes with a magnetic piston as a standard feature, compatible with various sensors for position monitoring, enhancing control and integration.
  • Versatile Mounting Options: Offers multiple mounting configurations to accommodate different installation requirements and applications.


  • Enhanced Machine Efficiency: By delivering precise and controlled motion, it helps in optimizing the efficiency of automated processes.
  • Reduced Maintenance Costs: Durable construction and adjustable cushioning lead to lower maintenance needs and reduced downtime.
  • Increased Equipment Longevity: The robust design and precise operation protect critical components, extending the overall equipment lifespan.
  • Improved Operational Safety: Reliable performance and stable operation ensure safer working conditions in industrial settings.


  • Assembly Lines: Ideal for use in complex assembly processes where high precision and stability are essential.
  • Testing Equipment: Suitable for integration into systems that require repetitive and accurate linear movements for testing and inspection.
  • Material Handling: Enhances the precision and reliability of material handling systems, particularly in applications involving delicate or high-value goods.
  • Automation Projects: A versatile choice for various industrial automation projects, providing reliable performance under varying operational conditions.

The Festo DFM-25-40-P-A-GF Guided Cylinder stands as a testament to Festo’s commitment to innovation and quality in pneumatic technology, offering a robust and precise solution for enhancing the performance and reliability of industrial applications.

Technical Data

Feature Specification
Distance of centre of gravity of payload to yoke plate xs 50 mm
Stroke 40 mm
Piston diameter 25 mm
Drive unit operating mode Yoke
Cushioning Elastic cushioning rings/pads at both ends
Mounting position Any
Guide Sliding guide
Structural design Guide
Position sensing For proximity sensor
Symbol 00991737
Operating pressure 0.15 MPa … 1 MPa
Operating pressure 1.5 bar … 10 bar
Max. speed 0.8 m/s
Mode of operation Double-acting
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)
Corrosion resistance class (CRC) 1 – Low corrosion stress
LABS (PWIS) conformity VDMA24364-B1/B2-L
Cleanroom class Class 7 according to ISO 14644-1
Ambient temperature -20 °C … 80 °C
Impact energy in the end positions 0.3 J
Max. force Fy 810.7 N
Max. force Fy static 810.7 N
Max. force Fz 810.7 N
Max. force Fz static 810.7 N
Max. torque Mx 27.56 Nm
Max. static moment Mx 27.56 Nm
Max. torque My 19.46 Nm
Max. static moment My 19.46 Nm
Max. torque Mz 19.46 Nm
Max. static moment Mz 19.46 Nm
Max. permissible torque load Mx as a function of the stroke 5.76 Nm
Max. payload as a function of the stroke at defined distance xs 123 N
Theoretical force at 6 bar, retracting 247 N
Theoretical force at 6 bar, advancing 295 N
Moving mass 755 g
Product weight 1515 g
Alternative connections See product drawing
Pneumatic connection G1/8
Note on materials RoHS-compliant
Cover material Wrought aluminum alloy
Seals material NBR
Housing material Wrought aluminum alloy
Piston rod material High-alloy stainless steel
Weight 1.515 kg