Helium Liquefiers

• Recycles costly helium boil-off
• More cost efficient than buying helium
• Different sizes to fit production needs
• Fully automated and operates with no/minimal monitoring
• Easy to install, small floor footprint

QLHe20/40/60/80 Helium Liquefier Series

Standard scope of Supply

  • QCH4KH G-M Coldhead
  • QCLHeW Compressor
  • Auto-control including computerized pressure control
  • Safety protection unit
  • Elevated platform

Specifications

Specifications
  QLHe20 QLHe40 QLHe60 QLHe80
Dewar Capacity 150 liters 250 liters 350 liters 500 liters
He liquefaction capacity
(60Hz)		 > 22 l/day at 10 psig
> 18 l/day at 2 psig		 > 43 l/day at 10 psig
> 34 l/day at 2 psig		 > 65 l/day at 10 psig
> 51 l/day at 2 psig		 > 84 l/day at 10 psig
> 70 l/day at 2 psig
Cooldown Time ＜ 30 hours ＜ 30 hours ＜ 30 hours ＜ 30 hours
Compressor Type Water Water Water Water
Cooling Water
Requirement		 > 1.8 GPM
( 7 l/min )		 > 3.6 GPM
( 14 l/min )		 > 5.4 GPM
( 21 l/min )		 > 7.2 GPM
( 28 l/min )
Power Consumption
(Compressor&Coldhead)		 7.8kW @60Hz
6.5kW @50Hz		 15.6kW @60Hz
13.0kW @50Hz		 23.4kW @60Hz
19.5kW @50Hz		 31.2kW @60Hz
26.0kW @50Hz
Weight
(Compressor/Coldhead&Dewar)		 262 lbs (118 kg)/
310 lbs (145 kg)		 524 lbs (236 kg)/
462 lbs (193 kg)		 786 lbs (354 kg)/
486 lbs (220 kg)		 1048 lbs (472 kg)/
565 lbs (256 kg)
Maintenance
(Compressor/Coldhead)		 Three Years/
Two Years		 Three Years/
Two Years		 Three Years/
Two Years		 Three Years/
Two Years

Specifications subject to change without notice.