TDV Series Pos/Neg TCU

TDV Series Positive/Negative Water TCU

Troublesome cooling circuit leaks in processes can result in serious production losses. The leaks may be due to small stress cracks, which leak under pressure. Our Positive/Negative Pressure TCU uses a liquid venturi to draw cooling water through the mold under negative pressure.

Precise temperature control is provided by the operation of a solid state or microprocessor controller, which activates a heater or a cooling water solenoid as required.

  • Off-the-shelf microprocessor-based PID temperature control with Process and Set Value LED readout
  • Graphic control panel with indicating and warning status lights
  • Operating range of 32ºF to 180ºF (0ºC to 82ºC)
  • Open reservoir vented to atmosphere
  • Single stage Incoloy™ immersion heater with IEC mechanical contactors
  • 1/4” cooling solenoid valve (Cv=0.85)
  • Hi/low level sensor with 3/8” makeup solenoid valve
  • Low supply water pressure switch
  • 150 psi (10.3 bars) pressure relief valve
  • 2” (5 mm) casters
  • 3/4” cooling water connections
  • Manually-operated 3-way valve for changeover to negative pressure mode
  • Centrifugal pump
  • 1-year warranty on parts and labor at factory
  • 5-year warranty on controller
  • Lifetime warranty on pump housing, impeller, heater tube, piping
  • 460/3/60 or 230/3/60 standard operating voltage
  • 9 kW heater
  • Remote control enclosure (see next page for details)
  • Remote thermocouple (10 ft), remote sensor must be sold with the high temperature safety switch option
  • Rubber feet in lieu of casters
  • High temperature safety switch
  • High/low temperature audible and visual alarm, no heater contactor interlock, visual alarm is a strobe
  • Crash cool, holds cooling solenoid on, turns heater off regardless of control setting
  • 208/230/460 volt 60 Hz, 380/415 50 Hz, consult factory for de-rated heater and pump capacities.
  • Pressure gauge (specify locations)
  • Power cord, 10 ft., no plug
  • Closed circuit with open reservoir
  • 0.375” solenoid valve (Cv=1.5) in lieu of 0.25” valve
  • Modulating valve, 0.5” (Cv=4.4), 0.75” (Cv=7.5), 1” (Cv=10 or 14), or 1.25” (Cv=20), includes VDC actuator. mA actuator is also available. Consult factory for maximum operating ÆP for cooling water
  • External communications, types RS-232C, -422, -485, single point
  • Cooling water in strainer
  • Side-by-side (2 zone) w/casters, valving not included
  • Severe duty EPDM silicon carbide, 2-3 hp
  • NEMA 1 or NEMA 3R disconnect with fuses

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