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Smartflow TRACER VMA with AutoReg Flow Regulator

  • Automatic Flow Regulator
  • Set by Flow or Reynolds Number
  • Unaffected by Changes in Water Pressure
  • Local or Remote Interface
  • Alarm Outputs
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Smartflow TRACER® VMA with AutoReg™ Flow Regulator

Tracer® VMA with AutoReg Flow Regulator automatically adjusts flow rate to the required user-selected volume regardless of changes in line pressure.

Download: Tracer VMA with Autoreg Brochure
Download: Tracer VMA with Autoreg Instructions

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This results in a more consistent flow rate with more control over cooling water conditions in critical moulding situations.

The User Interface communicates with the valve actuator that automatically adjusts the opening of the internal needle valve of the Delta-Q® or brass flow regulator to maintain the correct flow rate or Reynolds Number.

Why Choose the TracerVMA with AutoReg Flow Regulator

TracerVMA with Automatic Flow Regulator is designed to maintain steady flow rate where pressure fluctuations may adversely impact cooling water conditions. Upstream changes in cooling water pressure can cause unexpected increase or decrease in system pressure, changing the volume of flow.

The TracerVMA with Automatic Flow Regulation compensates for these changes by adjusting the flow rate automatically according to user settings.


  • English or Metric units for flow and temperature can be changed at any time.
  • 24VDC, 1.5A Power Source with earth ground is required to supply the TracerVMA AutoReg Flow Regulator.
  • Actuator may be rotated as a unit in relation to the regulator for ease of installation and accessibility.
  • Corrosion Resistant Materials are standard. 3/8″ and 1/2″ options include Delta-Q flow regulator. 3/4″ and 1″ flow regulator sizes are brass only.
  • Actuator Alarm notifies the user if the TracerVMA with AutoReg is unable to maintain minimum required flow rate or Reynolds Number. The time interval is programmable.
  • Local or Remote User Interface control allows for convenient installation. User Interface may be mounted up to 2.9M (9.5ft) away from the flow sensor and regulator assembly.
  • Totalizer Function provides volume display from a user-selected start point which is re-settable at any time. (Maximum value is approximately 42,949,000 litres or 11,338,000 gallons.)
  • Separate Analog Outputs facilitate data collection of temperature and flow rates. The voltage outputs are user-selectable using onscreen menus: 0 to 3.5/4.1 Volts, 0 to 5 Volts or 0 to 10 Volts.
  • FCI (Fluid Characteristic Indicator) Technology helps optimize systemic water usage. TFT on the digital display signifies the presence of Turbulent Flow, or optimum cooling water efficiency. 0, 10, 20 or 30% glycol mix is supported in Turbulent Flow calculations.
  • SPDT Switch is programmable for one to four set points: low flow, high flow, low temperature, high temperature or turbulent flow condition. Set points may be turned on or off in any combination to signify an alarm state. The switch may be connected to machine controls or a visual indicator such as a low voltage stack light.

Flow Ranges

Body SizeRange (LPM)Range (GPM)Reynolds Number DeadbandFlow Rate Deadband
3/8" & 1/2"1 to 150.3 to 4 3000.1 LPM
3/8" & 1/2"2 to 400.5 to 10.63000.1 LPM
3/4" & 1"5 to 1001.3 to 26.410001.0LPM
1"10 to 2002.6 to 52.810002.0 LPM


Flow Accuracy: ±1.5% of Full Scale
Temperature Range: 0°C to 120°C
Temperature Accuracy: ±2°C
Operating Pressure: 10.3 bar max. (150 psi max.)


Power Supply: 24 VDC (external)
Switch Rating: 1A, 30 VDC/30VAC
Flow and Temp Signals: 0 to 5 or 0 to 10 VDC


Sensing Element: Silicone-Based MEMS Sensor
Seal (sensor to housing): EPDM
Flowmeter Insert: PPA 40 GF

Flow Body

3/8″ & 1/2″ Body Size: Glass-Filled Nylon Flow Body with Brass or Nylon End Caps
3/4″ & 1″ Body Size: Anodized Aluminium or Stainless-Steel Flow Body

Flow Regulator

3/8″ & 1/2″ Delta-Q:
Brass or Glass-Filled Nylon End Caps
Glass-Filled Nylon
Stainless Steel Stem and Valve Seat
EPDM O-Rings

3/8″ Brass:
Brass Body
Brass Stem and Valve Seat
EPDM O-Rings

3/4″ & 1″: Brass Body
Brass Stem and Valve Seat
EPDM O-Rings