|Gas-charged TEV loses control.The contents of these charges are such that at
some predetermined valve bulb temperature,
the gas in the bulb becomes superheated,
maximizing bulb pressure (opening force).
Since these bulbs are only charged with small
|Valve head and tubing must be kept warmer than the remote bulb.Heat tape can be used to wrap the power element and tubing.
Insulate the complete valve.
Install valve outside the refrigerated space.