CLR-20-10-L-P-A – Swing Clamp Cylinder – Festo Clamp Cylinders

USD $ 286.23

SKU: Festo 535440

Manufacturer Part Number: Festo 535440
Festo Clamp Cylinders: CLR-20-10-L-P-A
OEM Spec Ref 

The Festo CLR-20-10-L-P-A, with MPN 535440, is a versatile swing clamp cylinder engineered for precision and reliability in various industrial applications. This product features robust construction with a wrought aluminum alloy housing and high-alloy stainless steel piston rod, ensuring durability and optimal performance in moderate corrosion environments.

Key Features:

  • Precise Movement Control: Offers both linear and swivel motions with a 90-degree swivel to the left, providing flexibility in operation.
  • High Clamping Force: Delivers effective clamping forces up to 109 N at 0.6 MPa, supporting secure and efficient operations.
  • Compact and Durable Design: The materials and cushioning technology used in construction make it suitable for harsh industrial conditions while maintaining compactness for easy integration.
  • Versatile Mounting Options: Can be mounted using through-holes, female threads, or with accessories, offering installation flexibility.
  • Compatibility with Automation: Features position detection capability via proximity switch, facilitating seamless integration into automated systems.


  • Enhanced Operational Efficiency: By ensuring precise movement and strong clamping, it contributes to the smooth functioning of systems, reducing downtime and maintenance needs.
  • Energy Efficiency: Optimizes energy use through efficient pressure management between 2 to 10 bar, which can lead to cost savings.
  • Improved System Safety and Reliability: Reliable operation and robust design ensure safety standards are met, enhancing overall system security.


  • Manufacturing Automation: Ideal for automated assembly lines where precision and reliability are crucial.
  • Testing and Inspection Systems: Ensures consistent performance in setups requiring meticulous control.
  • General Industrial Applications: Fits a broad spectrum of industrial applications thanks to its versatile design and operational features.

The Festo CLR-20-10-L-P-A Swing Clamp Cylinder stands as a testament to Festo’s commitment to high-quality, innovative solutions for complex industrial tasks.

Technical Data

Feature Specification
Complete stroke 22 mm
Piston diameter 20 mm
Piston rod thread M6
Swivel angle 90 deg +/- 3 deg
Clamping stroke 10 mm
Cushioning Elastic cushioning rings/pads at both ends
Mounting position Any
Structural design Piston
Piston rod
Cylinder barrel
Position sensing For proximity sensor
Swivel direction Left
Symbol 00991217
Operating pressure 2 bar … 10 bar
Mode of operation Double-acting
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) 2 – Moderate corrosion stress
LABS (PWIS) conformity VDMA24364-B2-L
Ambient temperature -10 °C … 80 °C
Effective clamping force at 2 bar 35 N
Effective clamping force at 4 bar 73 N
Effective clamping force at 6 bar 109 N
Max. clamping finger screw tightening torque 12 Nm
Theoretical clamping force at 6 bar 121 N
Product weight 335 g
Type of mounting Optionally:
With through-hole
With internal thread
With accessories
Pneumatic connection M5
Flange screws material Steel
Cover material Wrought aluminum alloy
Seals material NBR
Housing material Wrought aluminum alloy
Smooth anodized
Smooth anodized
Piston rod material High-alloy stainless steel
Material of cylinder barrel Wrought aluminum alloy
Smooth anodized
Weight 0.335 kg