Sight glasses, type SGI+, in stainless steel, are optimized for CFC and HCFC refrigerants.
SGI+ is used to indicate too high water content in the refrigeration system, lack of subcooling or refrigerant deficiency.
SGI+ 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