problem of metering " t r i c k y " liquids eliminated!
• Foxboro WEIGHT-RATE SYSTEM
LOAD CELL
accurately controls flow rate of any liquid that will pass through a pipe
Here's a Foxboro batch control system designed especially for liquids that undergo wide fluctuations of density or viscosity, or for liquids at high temperatures. Small volumes, corrosive liquids — even liquids that stick to the side of a tank will not affect the system's accuracy.
FOXBORO DYNAL06 WEIGHT-RATE CONTROLLER
WEIGH TANK
J FOXBORO STABILFLO CONTROL VALVE
H O W IT W O R K S The Foxboro Weight-Rate Flow Control System controls weight of liquid passing from a weigh tank suspended from a load cell (either hydraulic or strain gauge-type). Cell continuously measures decreasing weight of liquid. Controller records weight, controls time of draining, and sends pneumatic control signal to a Foxboro Stabilflo Valve installed in drain line. After correct amount of liquid is taken from tank in the desired time, controller automatically closes valve.
The Foxboro Weight-Rate System controls flow rate by weight of liquid rather than by volume. Functions of a load cell; a Dynalog* electronic recorder; and a Cyclelog* pneumatic controller are coordinated to do this. Operation is simple. You merely set weight of liquid, dial the desired time, and push a button. The automatic control system does the rest, while keeping an accurate record of the whole process. Best of all, the Foxboro Weight-Rate System requires practically no maintenance. That's because neither the measuring element nor the controller ever come in contact with the process liquid. If batch operations with "tricky" chemicals are your problem, Foxboro h a s the answer. Call your local Foxboro Field Engineer for full details, or write The Foxboro Company, 409 Neponset Ave., Foxboro, Mass. •Reg. U.S. Pat. Off.
FOXBORO REG. U.S. PAT. OFF.
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INDUSTRIAL AND ENGINEERING CHEMISTRY
FLOW CONTROL S Y S T E M S
