CLR-25-20-R-P-A-K11-R8 – Swing Clamp Cylinder – Festo Clamp Cylinders

USD $ 336.84

SKU: Festo 535485

Manufacturer Part Number: Festo 535485
Festo Clamp Cylinders: CLR-25-20-R-P-A-K11-R8
OEM Spec Ref 

The Festo CLR-25-20-R-P-A-K11-R8 Clamp Cylinder, with MPN 535485, is a precision-engineered pneumatic clamping tool designed to deliver robust and reliable performance in a variety of industrial settings. This compact cylinder is ideal for applications requiring high precision and force in clamping operations, ensuring enhanced operational efficiency and consistency.

Key Features:

  • High Precision Clamping: Specially designed to offer exact clamping with precise force control, this cylinder is crucial for maintaining stringent operational standards in automated processes.
  • Robust Construction: Constructed from durable materials, the CLR-25-20-R-P-A-K11-R8 is capable of withstanding harsh industrial environments, ensuring longevity and reliability.
  • Compact and Efficient Design: Its compact design allows for easy installation in limited spaces, making it versatile for various industrial applications without compromising functionality.
  • Enhanced Force Generation: Despite its small size, this cylinder generates significant clamping force, suitable for a wide range of demanding tasks.
  • Easy Integration: Comes with a straightforward mounting interface, facilitating quick and easy integration into existing systems with minimal downtime.


  • Increased Operational Efficiency: By providing reliable and precise clamping, this cylinder helps streamline production processes, enhancing overall throughput and quality.
  • Reduced Operating Costs: Efficient operation and low maintenance requirements lead to reduced overall operating costs, contributing to more economical production cycles.
  • Extended Equipment Durability: The durable design minimizes wear and tear, extending the service life of the cylinder and associated components, thereby reducing replacement and maintenance needs.
  • Improved Workplace Safety: Reliable operation and stable clamping contribute to safer working conditions by reducing the likelihood of operational failures.


  • Automated Manufacturing Lines: Ideal for integration in automated manufacturing setups where precise clamping is necessary to ensure product quality and consistency.
  • Assembly Processes: Plays a critical role in assembly operations, providing the necessary clamping force to handle various components securely.
  • Testing and Quality Assurance: Suitable for use in testing rigs where consistent and secure clamping is essential for accurate and reliable test results.
  • Custom Production Systems: Adaptable for use in custom production systems across various industries, enhancing operational precision and reliability.

The Festo CLR-25-20-R-P-A-K11-R8 Clamp Cylinder stands as a testament to Festo’s commitment to delivering high-quality pneumatic solutions that enhance the performance and efficiency of industrial operations. This product offers a robust and sophisticated solution for managing clamping and positioning tasks in challenging industrial environments.

Technical Data

Feature Specification
Complete stroke 33 mm
Piston diameter 25 mm
Piston rod thread M6
Swivel angle 90 deg +/- 3 deg
Clamping stroke 20 mm
Cushioning Elastic cushioning rings/pads at both ends
Mounting position Any
Structural design Piston
Piston rod
Cylinder barrelPiston
Position sensing For proximity sensor
Swivel direction Right
Symbol 00991217
Variants Weld spatter protection
Dust protection
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 63 N
Effective clamping force at 4 bar 127 N
Effective clamping force at 6 bar 188 N
Max. clamping finger screw tightening torque 12 Nm
Theoretical clamping force at 6 bar 227 N
Product weight 470 g
Type of mounting Optionally:
With through-hole
With internal thread
With accessories
Pneumatic connection M5
Wiper material PPS
Flange screws material Steel
Cover material Wrought aluminum alloy
Seals material NBR
Housing material Wrought aluminum alloy
Smooth anodized
Piston rod material Coated
High-alloy stainless steel
Material of cylinder barrel Wrought aluminum alloy
Smooth anodized
Weight 0.470 kg