Witt Gas Mixer MM-Flex Ex

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  • low cost
  • very compact design
  • easy to install
  • wall mounting possible
  • adjustable operating / outlet pressure

Item #: 1321
Quantity Available: 100

100 in stock


Gas mixing systems for 2 defined gases, designed for a variety of applications where an adjustable gas mixture is required.
Capacity range up to approx. 458 SCFH.
For the exact pressure and flow capacity ratios, please refer to the data sheet.

Easy operation:

  • a proportional mixing valve with a control knob and %-scale provides infinitely variable mixture settings
  • infinitely variable flow setting with scaled adjustment knob

High process reliability:

  • independent of pressure fluctuations in the gas supply
  • independent of withdrawal fluctuations (in permitted range)


  • WITT-Pipe Couplers for pipe OD 8 mm
  • Flame Arrestor in the outlet (for flammable gases)
  • Shut off by solenoid valve in the outlet, 230 V AC or 24 V DC, also in Ex-version

Other models, options and accessories available upon request. Please identify the individual gases at the time of enquiring!

Our gas mixers are always customized to the needs of the costumer. Please tell us your specifications, we will realize them.


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