VFOE-LE-T-M5-Q6-F1A – One-Way Flow Control Valve – Festo Flow Control Valves

USD $ 14.70 USD $ 12.05

SKU: Festo 8157641

Manufacturer Part Number: Festo 8157641
Festo Flow Control Valves: VFOE-LE-T-M5-Q6-F1A
OEM Spec Ref 

The Festo VFOE-LE-T-M5-Q6-F1A, with MPN 8157641, is an advanced Flow Control Valve designed to optimize fluid dynamics within pneumatic systems by facilitating precise flow regulation and reliable operations. This highly efficient valve is integral for diverse industrial applications, ensuring smooth and controlled flow rates that enhance system reliability and performance.

Key Features:

  • Precise Flow Control: Tailored to allow meticulous adjustment of airflow, this valve ensures the maintenance of ideal operational conditions, promoting optimal system performance.
  • Durable Construction: Manufactured with superior materials, the VFOE-LE-T-M5-Q6-F1A withstands rigorous industrial environments, ensuring enduring performance and reliability.
  • Compact and Functional Design: Its compact design enables easy integration into space-constrained environments without compromising on functionality or flow control precision.
  • Effortless Adjustment: Features a user-friendly adjustment mechanism that allows for quick and accurate flow settings, facilitating perfect system tuning.
  • Broad Compatibility: Engineered to be compatible with a vast array of pneumatic systems, it provides exceptional flexibility in system design and upgrades.


  • Enhanced System Efficiency: By delivering precise control over airflow, it significantly enhances the efficiency and reliability of pneumatic processes, leading to superior overall system performance.
  • Reduced Operational Costs: Effective flow regulation minimizes energy consumption and operational expenses, contributing to economical system operation.
  • Prolonged Equipment Lifespan: By preventing excessive wear and tear on system components, it extends the lifespan of pneumatic machinery and reduces the frequency and cost of maintenance.
  • Increased Safety: Consistent and reliable flow control ensures safer operations of pneumatic systems, complying with strict safety standards.


  • Automated Assembly Lines: Vital for maintaining exact flow rates, ensuring consistent production quality and operational excellence in automated setups.
  • Fluid Control Systems: Crucial in systems where precise flow modulation is required for optimal functionality and performance.
  • Testing and Calibration: Ideal for use in applications demanding consistent flow for accurate testing and calibration procedures.
  • General Pneumatics: Applicable across a broad spectrum of industries, enhancing precision and reliability in numerous pneumatic applications.

The Festo VFOE-LE-T-M5-Q6-F1A Flow Control Valve exemplifies Festo’s commitment to innovation and quality in pneumatic system components, providing an efficient solution for managing fluid dynamics in industrial processes.

Technical Data

Feature Specification
Valve function Exhaust air flow control non-return function
Pneumatic connection 1 QS-6
Pneumatic connection 2 M5
Actuation type Manual
Adjusting element Rotary knob with detent
Type of mounting Screw-in
Standard nominal flow rate in flow control direction 105 l/min
Standard nominal flow rate in non-return direction 60 l/min … 105 l/min
Ambient temperature -10 °C … 60 °C
Housing material PBT
Explosion prevention and protection Observe the information on the certificate
Zone 1 (ATEX)
Zone 2 (ATEX)
Zone 21 (ATEX)
Zone 22 (ATEX)
Mounting position Any
Symbol 00991452
Width across flats 9 mm
Rotatability 360 deg/continuous swiveling not permissible
Variants Metals with copper, zinc or nickel as main constituent are excluded from use. Exceptions are nickel in steel, chemically nickel-plated surfaces, printed circuit boards, cables, electrical plug connectors and coils.
Operating pressure for entire temperature range 0.02 MPa … 1 MPa
Operating pressure for entire temperature range 0.2 bar … 10 bar
Operating pressure for entire temperature range 2.9 psi … 145 psi
Standard flow rate in flow control direction 6 -> 0 bar 160 l/min
Standard flow rate in non-return direction at 6 -> 0 bar 150 l/min … 180 l/min
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)
LABS (PWIS) conformity VDMA24364 zone III
Suitability for the production of Li-ion batteries Metals with more than 1% by mass of copper, zinc or nickel by mass are excluded from use. Exceptions are nickel in steel, chemically nickel-plated surfaces, printed circuit boards, cables, electrical plug connectors and coils
Cleanroom class Class 4 according to ISO 14644-1
Temperature of medium -10 °C … 60 °C
Max. tightening torque 2.4 Nm
Nominal tightening torque 2 Nm
Tolerance for nominal tightening torque ± 20%
Product weight 3.3 g
Note on materials RoHS-compliant
Cover material PBT
Material of dynamic seals HNBR
Threaded bolt material Steel, chemically nickel-plated
Releasing ring material PBT
Static seal material NBR
Weight 0.0033 kg