What device is responsible for controlling the flow of concentrate into the eductor?

The metering device is crucial for accurately controlling the flow of concentrate into the eductor. This ensures that the proper ratio of concentrate to water is achieved for effective fire suppression. A metering device can precisely measure and regulate the amount of concentrate, which is essential for maintaining the desired performance of the firefighting system.

While other options may play roles in the overall system, they do not specifically fulfill the task of controlling the flow into the eductor as the metering device does. For instance, a pump is fundamental in moving liquids but does not inherently adjust the mixture’s concentration. A valve can regulate flow but typically lacks the precision needed for metering the exact amount of concentrate required. Similarly, the mixing chamber serves to combine the concentrate and water but does not engage in the control or measurement of the flow itself. Thus, the metering device is an indispensable component in ensuring optimal operation of the firefighting equipment.