Proportioners

Proportioners

In-line Proportioners harness the flow of water to create a venturi effect, which draws foam concentrate into the water stream at a calibrated rate.

Line Proportioners

Line proportioners, also called inductors or eductors, are venturi-based devices that draw foam concentrate into the water flow at a controlled rate. This method is cost-effective and simple, making it ideal when water supply pressure is sufficient to induce the venturi effect. With no moving parts, line proportioners are low-maintenance and reliable.

Ratio Controllers

Ratio Controllers are advanced in-line venturi-based proportioning devices designed to inject foam concentrate into the fire water stream. They are used in a broad range of foam fire protection systems and can proportion most foam concentrates across their applicable flow range without needing manual adjustment, regardless of pressure fluctuations.  Ratio controllers are available in threaded (RCT), flanged (RCF), or wafer (RCW) styles.

Please refer to product datasheets and technical bulletins for more detailed information.