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Robwen Proportioner
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This foam proportioner is a portable, fully self-contained, positive pressure, automatic discharge side foam concentrate to water systems. It will accurately deliver foam concentrate at .1% for Class A at 5-500 GPM or 3% for Class B at 150 GPM. Because it requires no outside electrical source it’s ideal for drop-in units and wildland applications. Operates totally from the pressure generated by the flow of water around the bladder container holder the concentrate. Holds 5 gallons of concentrate and can be used as a semi-permanent fixture by removing the modified venturi valve directly to the discharge. Available for Class A foam or Class A & B(dual tank). Fixed unit with tank capacities of 5-20 gallon are available. The Robwen Proportioner was designed utilizing guideline criteria established by the U.S. Forest Service and Bureau Of Land Management. Call Darley for more information. Please specify Class A or Class A & B.
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