Ultra-low Temperature Refrigerator for Evacuation "Neo Cold” RCT Series

Large capacity of ultra low temperature refrigerator contains the coolant that has Ozone destroy factor of "0".

RCT 762
meissner coil
Example of evacuation time


  • Japan's first ultra-low temperature cooling system that uses only refrigerant with an ozone depletion potential of "0"
  • The refrigerator works as cryo coils to the vacuum chamber by trapping water vapor, which improves pumping speed

Main use

  • Improving the degree of vacuum in a vacuum environmental
  • Improving evacuation speed in vacuum environmental
  • Improving the vacuum environmental by removing moisture
  • Diffusion pump oil back reduction

Main Specifications

  RCT 762S RCT 762SY RCT 762SZ
Standard coil size (mm)
(Surface area)
φ15.88 × t1.0 × 40,000
(Approx. 20,000 cm 2)
power supply
(maximum power consumption)
3-phase 200V 50/60Hz
3-phase 220V 60Hz
3-phase 380V 50Hz
Breaker size (A)
30 20
Driving sound (dB) *1 Normal operation: 70 or less Start-up: 74 or less 66 or less
Cooling water amount
Water temperature 15℃ 5
Water temperature 25℃ 14
Water temperature 30℃ 15
Refrigerant used HFC mixed refrigerant
Device mass (kg) 460 470
  1. *1 The operating sound level was measured at a distance of 1m and a height of 1.5m from the main unit.

Contact Information

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