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• For use with different tubing sizes with a range
selectable on the front panel
• Can be used for FLOW CONTROL or PRESSURE CONTROL
• Flow Control:
– 4-20 mA signal from flow meter plugs into valve
– Flow set point is entered into the valve controller
– The flow is maintained
– Has been successfully used with pressurized liquid sources
such as purified water systems and pressurized tanks
• Pressure Control:
– 4-20 mA signal pressure signal plugs into valve
– Pressure set point is entered into the valve controller
– The back pressure is maintained
– Can be used with constant flow systems to maintain
a specific back pressure