Handline/ Semi-Fixed Proportioners

Handline/ Semi-Fixed Proportioner

National Foam Handline Proportioners are portable venturi devices that introduce foam concentrate into a flowing stream of water at a controlled rate of either 1%, 3%, or 6%. These proportioners are available in multiple sizes for a wide range of flow options. They are designed to operate at a water inlet pressure of 200 psi. (13.8 Bar), with a maximum allowable backpressure of 65%.

Features and Benefits:

• Cost-effective

• No moving parts

• Simple operation / minimal maintenance

• Variable metering

• Available in multiple flow models

• Pick-up tube option for feed from concentrate pail, drum or tote

 Please refer to the datasheet and SDS for more detailed, technical information.