Low Temperature Test Chamber R404A R23 Refrigerant Two Cascade Compressor Cooling
For mechnical cooling design, the lowest temperature for single compressor is aournd -40℃, when it comes to extremely low temperature such as -55℃, -60℃,-70℃ ultra low temperature test chamber, fast temperature change rate chambers (15℃/min). Mentek will use Cascade Compressor Coolign System,Environment Friendly Refrigerant R404A for the First Stage and R23 for the Second Stage. Low temperature available: A: -20℃, B: -40℃, C: -70℃ , D: -86℃.E:-180℃( liquid nitrogen refrigeration or Cascade Compressor Coolign System ).
