Description
Sight glasses are typically used in refrigeration systems in order to observe the property changes of the refrigerant (liquid/vapor) itself, but also to indicate whether the moisture content of the refrigerant is within an acceptable range.
| Flare | Female | Solder | Size |
| SG14 | SG14MF | SG14F | 1/4″ |
| SG38 | SG38MF | SG38F | 3/8″ |
| SG12 | SG12MF | SG12F | 1/2″ |
| SG58 | SG58MF | SG58F | 5/8″ |
| SG78 | SG78MF | SG78F | 7/8″ |