Solutions for natural refrigerants Sight Glass SYJ R290
Sight glasses are installed after the filter drier in liquid line of refrigerating systems, in order to observe
property changes of the refrigerant (liquid/vapor) and to indicate the moisture level by colors. All the Sight
Glasses listed in this datasheet can be installed in system using flammable refrigerants HFO (categories A2* and A2L*), and Hydrocarbons HC (category A3*).