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Products/Festo/556673
Festo 556673 Swivel actuator unit DSL-25-80-270-CC-A-S2-KF-B
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Festo

556673

Swivel actuator unit DSL-25-80-270-CC-A-S2-KF-B

The Festo part number 556673 is a double-acting industrial component featuring a rotary vane structural design with a 25 mm piston diameter, an 80 mm stroke, and a swivel angle adjustment range from 0 deg to 246 deg. This unit includes a 10 deg cushioning angle, pneumatic shock absorbers and elastic cushioning rings or pads at both ends, ball bearing-guided torsion protection, and position sensing via proximity switch. It operates within a 2.5 bar to 8 bar pressure range using compressed air as per ISO 8573-1:2010 [7:4:4], supporting a maximum impact velocity of 500 mm/s, a maximum swivel frequency of 1 Hz at 6 bar, a 0.05 deg swivel angle backlash, and a 0.1 deg repetition accuracy with a -3 deg precision adjustment. Submit the exact part number, quantity, and application requirements to request a quote.

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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
556673
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 556673.
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Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Cushioning angle
10 deg
Adjustment range of swivel angle
0 deg...246 deg
Stroke
80 mm
Piston diameter
25 mm
Swivel angle
0 deg...246 deg
Cushioning
Pneumatic shock absorber at both ends | Elastic cushioning rings/pads at both ends
Mounting position
Any
Precision adjustment
-3 deg
Mode of operation
Double-acting
Structural design
Rotary vane
Position sensing
Via proximity switch
Variants
Through 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
1 Hz
Swivel angle backlash
0.05 deg
Repetition accuracy
0.1 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
0.7 Nm
Theoretical force at 6 bar, retracting
173.5 N
Theoretical force at 6 bar, advancing
248 N
Theoretical torque at 6 bar
5 Nm
Permissible mass moment of inertia
0.0016 kgm²
Product weight
2291 g
Basic weight with 0 mm stroke
1755 g
Additional weight per 10 mm stroke
67 g

Engineering context

Identification and RFQ Guidance

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.

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 556673. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.