Danfoss sight glasses

Danfoss sight glasses SG / SGR type: for CFC / HCFC / HFC, refrigerant liquid subcooling show no refrigerant inadequate instructions, reservoir level indication, compressor oil level indication, SG bell, brazing , SGR plug-Danfoss sight glass SGI / SGRI type: for HCFC and CFC refrigerants, indicating high water content in the refrigeration system, the refrigerant liquid subcooling no indication, indicating insufficient amount of refrigerant recharge, SGI bell , brazed, SGRI plug-in, saddle Danfoss sight glasses SGN / SGRN type: for HFC refrigerants, indicating high water content in the refrigeration system, a refrigerant liquid subcooling no indication insufficient refrigerant refill amount instructions, SGN bell, brazed, SGRN plug-in, saddle Danfoss sight glass SGH / SGRH type: for R410A, indicating moisture content is too high, no instructions subcooling refrigerant inadequate instructions, SGH bell, brazing, SGRH plug-in, saddle ambient outside temperature: -50 ℃ ~ + 80 ℃ maximum working pressure: SG: PS / MWP = 35bar SGI / SGN: PS / MWP = 35bar SGR / SGRI / SGRN: PS / MWP = 35bar SGH6,6s-22s: PS / MWP = 46bar.