Sight Glass Series SYJ

ref. Sight Glass Series SYJ

Sight glasses are installed after the filter drier in the liquid line of refrigerating systems, in order to observe property changes of the refrigerant (liquid/vapor) and to indicate the moisture level by color.

Air conditioning Commercial Refrigeration Heat Pump


  • High precision color indicator
  • Indicator pasted close to the glass to prevent surface contamination
  • Corrosion resistant brass construction
  • Clear, wide angle visibility
  • PTFE seals ensure leak free performance

General specifications

  • Applicable for all common HCFC and HFC refrigerants such as: R22, R134a, R404A, R407C, R410A, R507
  • Min./max. ambient temperature: -50°C (-58°F) to +80°C (176°F)
  • TS min./max.: -40°C (-40°F) / +80°C (176°F)
  • PS: 4,6 MPa (46 bar)
  • Certifications: UL/CSA and PED declaration