The MD PRO is a miniature 2-way normally closed (NC) proportional valve that controls gas flow proportionaly to input current for flow rates up to 56 slpm. The MD PRO valve is an economical solution for applications that require repeatable pressure and flow control such as respiratory and patient monitoring applications.


  • Provides repeatability across its operating range for improved accuracy
  • Offers a superior combination of value and performance to reduce system cost
  • Available Oxygen and Analytical Service use clean
  • Proven performance tested to 10 million life cycles
  • RoHS compliant


  • O2 Concentrators/Conservers
  • Ventilators
  • Anesthesia Delivery
  • Pressure & Flow Control
  • Patient Monitors

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