DFM-25-50-B-PPV-A-GF - Uncategorized Festo - Free user manual and instructions
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| Product Type | Pneumatic Guided Cylinder |
| Series | DFM |
| Bore Size | 25 mm |
| Stroke Length | 50 mm |
| Actuation | Double-acting |
| Cushioning | PPV (adjustable pneumatic cushioning) at both ends |
| Operating Pressure Range | 1 to 10 bar (0.1 to 1.0 MPa) |
| Working Medium | Compressed air (filtered, lubricated or unlubricated) |
| Guide Type | Precision guide rods for high lateral load resistance |
| Maximum Speed | 1 m/s (typical) |
| Ambient Temperature | -10°C to +60°C |
| Position Sensing | Ready for proximity switches (sensor slots available) |
| Mounting | Flexible via mounting kit (optional) |
| Housing Material | Anodized aluminum |
| Piston Rod Material | Stainless steel |
| Seals | Polyurethane (PUR) for long service life |
| Maintenance | Seals are replaceable; simple disassembly |
| Associated Accessories | Flow control valves, proximity sensors, mounting brackets |
| Weight | Approximately 1.2 kg |
| Repairability | Yes, modular spare parts are available |
Frequently Asked Questions - DFM-25-50-B-PPV-A-GF Festo
What is the operating pressure range of the DFM-25-50-B-PPV-A-GF?
The recommended operating pressure range is 1 to 10 bar (0.1 to 1.0 MPa). Always stay within this range to ensure reliable operation.
Can I use this cylinder with unlubricated compressed air?
Yes, the DFM-25-50-B-PPV-A-GF is designed to work with lubricated or unlubricated compressed air. However, using filtered air is recommended to extend seal life.
How do I adjust the pneumatic cushioning?
The PPV cushioning is adjustable using the screws at both end caps. Turn them clockwise to increase cushioning and counterclockwise to decrease. Adjust for the load and speed to achieve smooth stopping.
What is the maximum operating speed?
For the standard version, a maximum speed of about 1 m/s is typical. Exceeding this may require special considerations for cushioning and deceleration.
How can I mount this guided cylinder?
The cylinder has a female thread on the piston rod and threaded mounting holes on the housing. You can use Festo mounting kits for common footprints, such as foot, flange, or trunnion mounting.
Does the cylinder require a specific air quality?
Standard industrial compressed air is acceptable. Use a filter with 5 μm or finer to remove moisture and particles. Filtration is essential to protect seals and guide surfaces.
How do I replace the seals?
Disassemble the cylinder by removing the end caps. Carefully replace all dynamic and static seals with a Festo seal kit. Clean the piston rod and housing before reassembly.
What is the operating temperature range?
The DFM-25-50-B-PPV-A-GF operates reliably between -10°C and +60°C. For extreme temperatures, contact Festo for special versions.
Can I mount proximity switches directly?
Yes, the cylinder is equipped with T-slot grooves for Festo proximity switches (e.g., SMT-8, SMTO-8). Simply slide the sensor into the slot and secure it with the locking screw.
Is a repair kit available?
Yes, Festo offers seal sets and spare parts for this model. Use the part numbers from the previous page of your printed manual, or contact Festo support for the exact repair kit.
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USER MANUAL DFM-25-50-B-PPV-A-GF Festo
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Product information
Brand : Festo
Model : DFM-25-50-B-PPV-A-GF
Category : Uncategorized