K-3-M5 – Pushbutton Valve – Festo Mechanical and Hand Operated Valves

USD $ 48.30 USD $ 39.61

SKU: Festo 3660

Manufacturer Part Number: Festo 3660
Festo Mechanical & Hand Operated Valves: K-3-M5
OEM Spec Ref 

The Festo K-3-M5 Mechanical & Hand Operated Valve, with MPN 3660, is a high-precision pneumatic control solution tailored to enhance the functionality and reliability of mechanical and manual valve systems. This essential component is engineered to deliver superior performance in various industrial applications, ensuring precise control and durable operation.

Key Features:

  • High Precision Control: The K-3-M5 is meticulously designed to offer exceptional control over mechanical and pneumatic systems, making it an indispensable tool for achieving optimal operational precision.
  • Durable Construction: Manufactured with robust materials, this valve is built to withstand the rigors of industrial environments, ensuring longevity and consistent performance.
  • Compact and Efficient Design: Its compact configuration allows for easy integration into space-constrained setups, maximizing functionality without occupying excessive space.
  • User-Friendly Operation: Designed with ease of use in mind, it features simple hand-operated mechanisms for quick adjustments and straightforward operation.
  • Versatile Application: Compatible with a wide array of pneumatic systems, this valve can be seamlessly incorporated into existing configurations, offering enhanced adaptability.


  • Improved Operational Accuracy: By facilitating precise control, the K-3-M5 helps maintain optimal conditions within pneumatic systems, enhancing overall accuracy and efficiency.
  • Cost-Effectiveness: This valve aids in reducing operational costs by optimizing system performance and minimizing the need for frequent maintenance.
  • Extended Equipment Life: Regular use of the K-3-M5 contributes to prolonged lifespan of system components by ensuring stable and controlled operation.
  • Enhanced Safety: Reliable and consistent performance of this mechanical valve promotes a safer working environment, adhering to high safety standards.


  • Industrial Automation: Critical for precise control in automated processes, ensuring high-performance outcomes.
  • Manual Control Systems: Ideal for applications requiring manual adjustments, providing users with full control over system operations.
  • Maintenance and Repair: Essential in maintenance setups where manual intervention is necessary for system adjustments and repairs.
  • General Pneumatics: Suitable for a broad spectrum of pneumatic applications across various industries, from manufacturing to maintenance.

The Festo K-3-M5 Mechanical & Hand Operated Valve stands as a testament to Festo’s commitment to delivering advanced solutions that enhance the efficiency and reliability of industrial pneumatic systems.

Technical Data

Feature  Specification
Valve function 3/2, closed, monostable
Standard nominal flow rate 80 l/min
Pneumatic working port M5
Operating pressure -0.95 bar … 8 bar
Structural design Piston seat
Nominal width 2 mm
Type of control Direct
Symbol 00991098
Explosion prevention and protection Zone 1 (ATEX)
Zone 2 (ATEX)
Zone 21 (ATEX)
Zone 22 (ATEX)
Operating medium Compressed air as per ISO 8573-1:2010 [-:-:-]
Information on operating and pilot media Operation with oil lubrication possible (required for further use)
LABS (PWIS) conformity VDMA24364-B1/B2-L
Ambient temperature -10 °C … 60 °C
Actuating force 23 N
Product weight 28 g
Type of mounting With through-hole
Pneumatic connection 1 M5
Pneumatic connection 2 M5
Seals material NBR
Housing material Die-cast zinc
Weight 0.028 kg