How do I confirm that the CRYO-LATOR™ freeze chamber has produced a solid, dependable and workable freeze plug?
A. Professional field technicians in our CRYOSTOP PIPE FREEZE SERVICE division use 3 very important steps to confirm that a freeze plug is set and workable: 1. “Frost Bands” Using the provided timetable estimates you should notice frost bands developing on the pipe just outside of the chamber and growing longitudily away from the chamber on both sides. Using a controlled source to drain the pipe note that the frost bands do not dissipate during the drain down process. If the frost bands remain this is the first of three steps which will confirm that the plug has developed into a solid, dependable and workable freeze plug stop 2. “Temperature-Monitoring Equipment” Temperatures on both side of the chamber will drop dramatically once the LN² refrigerant is feed into the chamber cavity. Depending on the fluid being freeze plugged the idea outer plug temperatures on both sides of the chamber may need to be in the –30F to –70F range. While using a controlled source to drain the pipe fluid no
