M-Flow
High-precision Control Valves for fine Dosages of Gases & Liquids
Vögtlin’s M-Flow micro needle valves were developed for fine dosages of gases and liquids and are the ideal solutions for precise OEM applications. The valves are an integrated constituent of our variable area flowmeters Q-Flow and our battery powered mass flow meters red-y compact series.

Various Knobs
Different rotary knobs are available:
- Standard knob
- Standard knob with locking ring
- Locking nut (instead of standard knob)
- Digiturn with display, 100 division
Different Device Setups
The valves are available as straight valves or valve cartridges for self-mounting

Tightly Closing Valves
The fine-adjustable needle valves are tight-closing
Aluminium or Stainless Steel
The bodies are available in aluminium or stainless steel. Sealing materials FKM, EPDM or FFKM
3-Year Warranty
High-quality components ensure long and trouble-free operation (does not apply to calibration, options and accessories)
Standard knob
Available as G¼” and G½” aluminium version or G¼” stainless steel 1.4305 version
Standard knob with locking ring
Available as G¼” and G½” aluminium version or G¼” stainless steel 1.4305 version
Hexagon socket locking nut (instead of standard knob)
Available as G¼” and G½” aluminium version or G¼” stainless steel 1.4305 version
Digiturn with display with 100 divisions
Available as G¼” and G½” aluminium version or G¼” stainless steel 1.4305 version
High-precision Thermal Mass Flow Meters & Mass Flow Controllers for Gases
Reliable technology and industry standard interfaces make the red-y smart series thermal mass flow meters (MFM) and mass flow controllers (MFC) particularly suitable for measurement and control in gas delivery systems and plant engineering applications.
Portable Battery Powered Digital Mass Flow Meters for Gases
The red-y compact series mass flow meters and regulators provide portability, flexibility, and convenience
The advanced compact unit can be equipped with various modules, including battery, power, alarm, or analog/pulse options. It is available in stainless steel or aluminum and features an intuitive backlit touch screen display, USB connectivity, and precise, reliable operation.
Multi-Parameter Mass Flow Meter & Mass Flow Controller for Gases
The d·flux multi series is a fast and reliable multi-parameter mass flow meter for gases with measurement outputs for mass, volumetric and normalized flow, pressure and temperature. One of the many advantages of this laminar flow meter is the ability to easily switch to a different gas without a loss in accuracy.