CK-1/8-PK-3 – Quick Connector – Festo Pneumatic Fittings

USD $ 7.14 USD $ 5.85

SKU: Festo 3563

Manufacturer Part Number: Festo 3563
Festo Pneumatic Fittings: CK-1/8-PK-3
OEM Spec Ref 

The Festo CK-1/8-PK-3, with MPN 3563, is an expertly engineered pneumatic fitting, designed to facilitate secure and efficient connections in pneumatic systems. This fitting is crafted to meet the rigorous demands of industrial environments, ensuring reliable performance and enhancing the overall efficiency of pneumatic operations.

Key Features:

  • Secure Connection: Ensures a tight and leak-free seal between pneumatic components, crucial for maintaining system integrity and performance.
  • High-Quality Materials: Manufactured from robust materials, the CK-1/8-PK-3 offers exceptional durability and resistance to wear, ensuring long-term reliability even in challenging conditions.
  • Easy Installation: Designed for quick and straightforward installation, this fitting allows for rapid assembly and disassembly, significantly reducing downtime.
  • Versatility: Compatible with a wide range of pneumatic hoses and components, this fitting offers great flexibility and adaptability in system design.
  • Compact Design: Its small footprint makes it ideal for use in space-constrained applications without compromising on functionality.


  • Enhanced Operational Reliability: By providing a secure connection, it helps prevent potential system failures and leaks, contributing to continuous operational reliability.
  • Reduced Maintenance Costs: Durable construction minimizes the need for frequent replacements and maintenance, lowering operational expenses over time.
  • Improved System Performance: Helps maintain optimal air flow and pressure within the system, which is essential for efficient pneumatic operations.
  • Increased Safety: Reliable connections reduce the risk of leaks and failures, enhancing the safety of pneumatic systems.


  • Automation Systems: Integral to the assembly and maintenance of automated production lines, ensuring smooth and efficient operations.
  • Maintenance and Repair Operations: Essential for quick repairs and routine maintenance of pneumatic systems, minimizing downtime.
  • Fluid Handling Systems: Suitable for use in systems that manage the flow and direction of fluids under pressure, ensuring precise control.
  • General Pneumatics: Applicable in a wide range of industrial and commercial pneumatic applications, providing versatility and reliability.

The Festo CK-1/8-PK-3 pneumatic fitting stands out as a testament to Festo’s commitment to quality and innovation, delivering a robust and efficient solution for managing pneumatic connections in diverse industrial environments.

Technical Data

Feature Specification
Nominal width 2 mm
Type of seal on screwed plug Sealing ring
Mounting position Any
Design Straight design
Pack size 10
Operating pressure for entire temperature range -0.095 MPa … 1 MPa
Operating pressure for entire temperature range -0.95 bar … 10 bar
Operating pressure for entire temperature range -13.775 psi … 145 psi
Information on operating pressure Water: max. 0.6 MPa at max. 50 °C
Operating medium Compressed air as per ISO 8573-1:2010 [7:-:-] Water (liquid, ice-free)
Information on operating and pilot media Operation with oil lubrication possible
Water: G-thread only possible with sealing ring type OL as additional accessory
Corrosion resistance class (CRC) 2 – Moderate corrosion stress
LABS (PWIS) conformity VDMA24364-B1/B2-L
Ambient temperature -10 °C … 60 °C
Nominal tightening torque 3.5 Nm
Tolerance for nominal tightening torque ± 20%
Pneumatic connection 1 External thread G1/8
Pneumatic connection 2 for pneumatic tubing outside diameter 4 mm
for barbed fitting, inside diameter 3 mm, with nut
Material of union nut Wrought aluminum alloy, anodized
Material of screwed plug Anodized wrought aluminum alloy
Note on materials RoHS-compliant
Sealing ring material Reinforced PA