Product: HydroMinder Drum, Pail, or Wall Mount Venturi Proportional Mixer Model 511 for Coolants & Cleaners
Brand: Hydro Systems
Simple liquid level maintenance The HydroMinder has become the industry standard for liquid level maintenance for over 20 years and proven successful for many applications.  Keep any reservoir filled with consistently mixed solution without pouring, stirring, waiting, or downtime. When the solution level in a reservoir drops, the HydroMinder’s float opens a non-electric, magnetic valve. The flow of water siphons liquid concentrate into the water stream, automatically maintaining the level of ready-to-use solution.  When the tank reaches the preset fill level, the HydroMinder shuts off. Venturi type mixers use water passing over an orifice to create suction that draws the concentrate from the container and mixes it with the water.  Concentration on the HydroMinder is adjusted by changing the orifice size. These units cannot operate with any back pressure, so they can only be used to fill a pail or nearby container.  They cannot be used with any type of sprayer or shut-off valve on the discharge side.  Accuracy can be affected by water pressure and concentrate level. Features & Benefits:  Automatic mixing; automatic shut-off Pays for itself in labor savings and eliminates overflows Environmentally friendly – using concentrates reduces solid waste Useful in a variety of applications Water powered; no electricity required Built with high quality, chemically resistant materials Economical, easy to operate and maintain Improved employee safety – minimizes exposure to concentrated product Includes back flow preventer 
Automatic mixing; automatic shut-off; economical, easy to operate and maintain
Water powered; no electricity required; backflow preventer included
CAUTION: These units cannot operate with any back pressure, so they can only be used to fill a pail or nearby container. They cannot be used with any type of sprayer or shut-off valve on the discharge side. Accuracy can be affected by water pressure and concentrate level.
Includes: Proportioner, U-clamp, float w/chain, 9 ft. suction tube w/foot valve, 2 ft. discharge tube, 14 metering tips, instructions
4.5 GPM @ 40 PSI, .41% to 20% mix ratios

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