The APD HC-2 compressor module delivers high-pressure, oil-free helium gas to cryogenic refrigerators.
Cooldown time to 20 K: 20 min
Ambient temperature limits: 50 - 100 F
Refrigerant: gaseous helium, 99.995% pure; dew point less than -80 F
Pressure- relief valve: set pressure : 400 psig (2750 kPa)
Water requirements: minimum flow--0.6 gallons per minute
inlet temperature: 40 - 80 F
maximum inlet pressure: 125 psig