Sight glasses, type SGN+, in stainless steel, are optimized for HCFC and HFC refrigerants.
SGN+ is used to indicate too high water content in the refrigeration system, lack of subcooling or refrigerant deficiency.
SGN+ sight glasses are available with flare or solder connections.
Max working pressure: 46 bar/667 psi.
Ambient temperature range: –50°C - +80°C / –58°F - +175°F