Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Reference imageConfirm configuration by manufacturer part number.
Festo
556771
Swivel actuator unit DSL-40- -270-P-A-S20-KF-B
Engineered with a rotary vane structural design, this Festo industrial component features a 40 mm piston diameter, a stroke of 10 mm to 160 mm, and a double-acting mode of operation. It delivers a swivel angle from 0 deg to 272 deg with an adjustment range of 0 deg to 270 deg, a precision adjustment of -6 deg, and elastic cushioning rings or pads at both ends. Operating on compressed air as per ISO 8573-1:2010 [7:4:4] within a 2.5 bar to 8 bar pressure range, the unit incorporates ball bearing guidance, through hollow piston rod variants, and proximity switch position sensing. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 556771
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 556771.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Adjustment range of swivel angle
- 0 deg...270 deg
- Stroke
- 10 mm...160 mm
- Piston diameter
- 40 mm
- Swivel angle
- 0 deg...272 deg
- Cushioning
- Elastic cushioning rings/pads at both ends
- Mounting position
- Any
- Precision adjustment
- -6 deg
- Mode of operation
- Double-acting
- Structural design
- Rotary vane
- Position sensing
- Via proximity switch
- Variants
- Through, hollow piston rod
- Protection against torsion/guide
- Ball bearing-guided
- Operating pressure
- 2.5 bar...8 bar
- Max. impact velocity
- 500 mm/s
- Max. swivel frequency at 6 bar
- 2 Hz
- Swivel angle backlash
- 0.05 deg
- Repetition accuracy
- 1 deg
- 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-B2-L
- Ambient temperature
- -10 °C...60 °C
- Dynamic load torque
- 5.4 Nm
- Theoretical force at 6 bar, retracting
- 495 N
- Theoretical force at 6 bar, advancing
- 603 N
- Theoretical torque at 6 bar
- 20 Nm
- Permissible mass moment of inertia
- 0.00024 kgm²
- Basic weight with 0 mm stroke
- 5300 g
- Additional weight per 10 mm stroke
- 175 g
- Type of mounting
- Alternatively: | Clamped in T slot | With external thread
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 556771. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.