Heated Stream Selector


  • For extractive gas analysis
  • For emission and process monitoring
  • For switching over of several measuring points to one analyser
  • For “hot gas” analysis, e.g. with FTIR


  • No influence on pressure conditions in the analysis system resp. the measuring value due to absolutely constant internal volume of the ball
  • Valves in contrast to solenoid valves
  • Maximum operational safety
  • No damage of the analyser in case of failure
  • No change of sample gas
  • No cold spots
  • Low noise operation also in case of switching
  • Low and easy maintenance effort
  • Easy mounting and integration in gas analysis systems


  • For 2 to 4 measuring points
  • For 19″ rack mounting, 3HU or 4HU
  • Consistent heating
  • Controlled heating up to max. 220 °C
  • Low and excess temperature status contact
  • “Fail Safe” condition in case of power failure
  • Power supply 115 or 230 VAC 50/60 Hz
  • Stainless steel ball valves with full bore for switching over the measuring points
  • Pneumatic actuators for switching the ball valves
  • 3/2-way solenoid valves for control of the pneumatic actuators
  • Silencer at ventilation outlets of solenoid valves
  • Optical shift indication
JMSU  is listed within following categories:


Data Sheets

JMSU Datasheet

Product Inquiry JMSU

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