Overview
The Festo DFM-25-25-P-A-GF (Part 170848) is a compact pneumatic guided cylinder designed for demanding industrial automation, clamping, and material handling applications. As a double-acting unit with integrated guide rods, this cylinder delivers precise, rigid motion control with minimal lateral load deflection—essential for load positioning, stopping, and guiding operations where side-mounted loads are common.
Key Features
- Double-Acting Design: Uses air to extend and retract the rod, eliminating the need for a spring return
- Integrated Guide Rods: Integrated guided blocks help evenly distribute the pressure to stop the load from falling
- Durable Construction: Steel pistons and wrought-aluminium housing material ensure excellent resistance to wear and corrosion
- Flexible Cushioning: Features flexible cushioning rings on both ends to take the hits from the piston rod and muffle the noise
- Wide Temperature Range: Broad operating temperature range between -20°C and +80°C to tolerate harsh settings
- Proximity Sensor Compatible: Compatible with proximity sensors to provide precise movement and flow control valves to regulate its speed
Technical Specifications
The Festo DFM-25-25-P-A-GF features precise pneumatic control for compact industrial applications:
- Bore Diameter: 25 mm
- Stroke Length: 25 mm
- Advance Force (at 10 bar): 295 N
- Return Force (at 10 bar): 247 N
- Maximum Load: 116 N
- Operating Pressure: 2 to 10 bar
- Port Size: G1/8
- Cylinder Action: Double-acting
- Cushioning: Flexible cushioning rings/plates at both ends
- Housing Material: Wrought aluminum alloy, anodized
- Piston Rod: Stainless steel
- Operating Temperature: −20 to +80 °C
- Seals: NBR (nitrile rubber)
- Country of Origin: Germany (DE)
Typical Applications
Uses include clamping, stopping and lifting operations in industrial environment. Additional applications span:
- Precision clamping and work-holding fixtures
- Pallet positioning and transfer systems
- Load lifting and leveling
- Guided ejector systems
- Industrial automation assembly lines
- Light- to medium-duty material handling
Compatibility & Replacements
Compatible With
- Standard ISO 6432 pneumatic control systems
- Proximity sensors (SMTSO-8E type with compatible mounting kit SMB-8E)
- Flow control valves for speed regulation
- 5/3-way solenoid directional control valves
- Pneumatic regulators and filters rated for 10 bar
- Allen-Bradley, Siemens, and industrial PLC automation systems
Replaces / Drop-In Replacement For
- Equivalent competitor DIN 32645 guided cylinders with 25 mm bore and 25 mm stroke
- Legacy Parker or Bosch Rexroth CY series guided cylinders (verify port configuration and force ratings before substitution)
Works With
- ISO 6432 pneumatic component standards
- G1/8 inlet/outlet ports for standard pneumatic valve subplates
- Proximity switch integration (stroke lengths 20–40 mm)
- PROFINET and EtherNet/IP industrial networks (via smart sensor adapters)
- Studio 5000 and TIA Portal logic programs (with appropriate I/O modules)
