Containing ice accumulation while recovering helium

We are implementing a system to recover helium from our Janis ST-500 continuous flow LHe cryostat. The recovery system uses standard 1/4" plastic tubing, which we connect directly to the cryostat's exhaust port. The problem with this setup is that the gas is still quite cold as it leaves the cryostat. The tube quickly ices … Continue reading Containing ice accumulation while recovering helium