Oil Temperature Control Units


Designed or use with oil up to 360ºC, the TT-388 TCU features Tool-Temp's C-571 high temperature leakproof pump.

  • Closed hot oil circuit with integral cold oil receiver in large expansion tank - long oil life due to low heater loads/high flow rate
  • Self-optimising microprocessor controller with digital display of set and actual temperature
  • Leak-proof high temperature pump, designed for temperatures up to 400ºC. The type C-571 pump features a three-bearing shaft with triple sealing system. This allows us to guarantee a leak-proof system and leak-resistant pump even at maximum working temperature. A bypass allows circulation in the event of the circuit becoming blocked
  • Connection for optional external thermocouple
  • Leakstopper – operation in pressure or vacuum mode, to allow continuous production despite leakage from mould or connections
  • Automatic mould drain
  • Automatic temperature control - audible alarm sounds when unit deviates outside 5ºC preset (adjustable).
  • Heating switchable in stages
  • Limescale-free heat exchanger
  • No oil cracking
  • No cooling-down required before switching off
  • Temperature Range:     up to 360º C with Marlotherm SH oil
  • Control:     self-optimising microprocessor controller with digital display of set and actual temperatures
  • Heating Capacity:   16 kW    24 kW    32 kW    48 kW
  • Switchable stages:    8/8 kW    8/16/24 kW    8/24/32 kW    8/8/16/16/48 kW
  • Pump Capacity:     pressure mode: max 5.5 bar, max. 100 l/min. Vacuum mode: max 9 mH2O (water column)
  • Cooling Capacity: Approx. 40,000kCal            
  • Unit Contents: 16 litres    16 litres    16 litres    30 litres
  • Expansion Tank: 16 litres    16 litres    16 litres    30 litres
  • Connections: Oil Circuit - 3/4" female    3/4" female    3/4" female    1" female
  • Cooling Water    1" male
  • Dimensions:     16 + 24 kW L 1100 x W 440 x H 1300 mm incl. castors, 32 kW L 1100 x W 440 x H 1500 mm incl. castors, 48 kW L 1100 x W 660 x H 1500 mm incl. castors
  • Weight: (empty) 180 kg    180 kg    210 kg    320 kg
  • Colour:     silver grey RAL 7001
Safety Devices
  • Level control provides auto dry run protection 
  • Electronic and mechanical safety thermostats
  • Audible alarm in case of failure
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Latest News


In 2018 Tool-Temp installed two TT430 Y units to a chemical company. These units were produced for the customer and are now listed as a machine in our product range. We flew the customer out to our head office in Switzerland to meet with the person in charge of the project, once they had all the requirements the machines went through to production. The units are equipped with three independent heat exchangers. The three-circuit cooling system makes it possible to work with oil below zero degrees. The installed self-optimizing temperature controller MP-988 works with three temperature probe inlets. The reference temperature for the regulation can be the temperature of the product inside the vessel or the oil temperature in the tank of the unit. To avoid any damage of the jacket, the pump pressure can be adjusted to the specifications of the vessel/reactor. The pump revolutions per minute can be adjusted very easily using the frequency inverter. As well as many other features.

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