How is Jet Ratio Controller unit used alongwith Foam monitor?

Jet Ratio Controllers (JRC) are high efficiency venturi devices that deliver a concentrated foam solution to the monitor. The advantage with JRCs is that it allows the foam concentrate mixing at some distance away from the monitor. Hence foam container deployment and handling can be at a safe distance away from the fire scene.

A pressurized water supply using hose from a hydrant valve (or Pump) is connected to inlet of the JRC unit. A PVC suction tube with Dip tube is used to induct foam concentrate from the containers into the JRC unit. A hose (or hoses) connected from the JRC outlet to the Foam nozzle delivers a concentrated foam solution to the monitor.

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