Brand name	Yinling	Model no.	TBS-C,TBS
Type	Defrost glass plate liquid level gauge

This liquid level gauge is used for lower temperature equipment such as chemical, petroleum etc. this kind of gauge is equipped with defrost radiator-fan through which can see original container liquid level clearly. There are needle valves in the two ends, when there is something wrong with glass plate to break in accident, can close automatically on the effect of container pressure to resist medium enormous outflow.

   Needle valve adopts long neck structure to reduce the loss of refrigeration capacity from valve.