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Festo
159551
Swivel/linear unit DSL-25-25-270-P-S20-FF
The Festo part number 159551 is a double-acting rotary vane industrial component featuring a 25 mm piston diameter, 25 mm stroke, and a 272-degree swivel angle with a 270-degree rotation angle adjustment range. Operating at 2.5 to 8 bar with dried compressed air, this unit delivers 5 Nm of torque at 6 bar, a max swivel frequency of 2 Hz, and a maximum impact speed of 500 mm/s. It includes flexible cushioning rings and plates at both ends with a 1.9-degree cushioning angle, 5 mm cushioning length, 5-degree fine adjustment, a plain-bearing guide, a through hollow piston rod variant (S20), and position detection capabilities for inductive and proximity sensors within an ambient temperature range of -10 to 60 degrees Celsius in any assembly position. Submit the exact part number, quantity, and application requirements to request a quote.
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- Manufacturer
- Festo
- Part number
- 159551
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 159551.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Cushioning angle
- 1.9 deg
- Rotation angle adjustment range
- 270 deg
- Stroke
- 25 mm
- Piston diameter
- 25 mm
- Swivel angle
- 272 deg
- Cushioning
- P: Flexible cushioning rings/plates at both ends
- Assembly position
- Any
- Fine adjustment
- 5 deg
- Mode of operation
- double-acting
- Design structure
- Rotary vane
- Position detection
- For inductive sensors | For proximity sensor
- Variants
- S20: through, hollow piston rod
- Protection against torque/guide
- with plain-bearing guide
- Operating pressure
- 2.5 ... 8 bar
- Max. impact speed
- 500 mm/s
- Max. swivel frequency at 6 bar
- 2 Hz
- Operating medium
- Dried compressed air, lubricated or unlubricated
- Ambient temperature
- -10 ... 60 °C
- Cushioning length
- 5 mm
- Torque at 6 bar
- 5 Nm
- Theoretical force at 6 bar, return stroke
- 174 N
- Theoretical force at 6 bar, advance stroke
- 246 N
- Permissible mass moment of inertia
- 0.00011 kgm2
- Additional weight per 10 mm stroke
- 67 g
- Basic weight for 0 mm stroke
- 1,500 g
- Product weight
- 1,500 g
- Mounting type
- Clamped in T-slot | with external (male) thread | Optional
- Pneumatic connection
- M5
- Materials information for cover
- Wrought Aluminum alloy | Anodized
- Materials information for seals
- TPE-U(PU)
- Materials information, housing
- Wrought Aluminum alloy | Smooth anodized
- Materials information for piston rod
- Heat-treatment steel
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 159551. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.