NJEX 7300 Odorant Injection System

Featured Product from YZ Systems, Inc.

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The 7300 Series was the first system in the NJEX family and remains the industry flagship for most user applications. This mid-use, primary odorizer provides proportional-to-flow odorant injection, onboard metering of the odorant injected, system monitoring and alarm notification. Additionally the system will document and verify the performance of each system component, parameter changes, alarms and injection rates.


  • Natural gas or liquid applicaitons
  • Odor free operation
  • Closed loop prime and purge
  • Standardized design
  • Remote communication via ModBus or Sentry4 software
  • Dedicated alarm systems


  • Maximum odorant output: 17.6 gallons/day, 67 liters/day
  • Maximum operating pressure: 1440 psig, 99.28 bar
  • Operating temperature: 0°-140°F, 17°C-60°C (Heated options available for cold weather)
  • Power supply: solar or 120/240 volt, 50/60Hz AC
  • Battery reserve: approximately 30 days
  • Gas flow input signal: pulse (dry contact or voltage)