Sight glasses

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Series of sight glasses 

Danfoss SGP is a series of sight glasses for high pressure applications. SGP is available in versions optimized for refrigerants with mineral oil e.g. HCFC, and in versions optimized for non-flammable HFC refrigerants.

SGP for food retail refrigeration is available with flare, solder and socket connections, and with and without moisture indicators.

Features and benefits

Good visibility to indicate flow conditions

Low leakage

Long service life

Extra safety with MWP 52 bar

Reliability of products ensures less leakage and long life time

Fast react indicator provides early warning to prevent excessive liquid


Type Name Language Valid for Updated Download File type
Data sheet AI223286434112en-000701_SGP datasheet English Multiple 11 Mar, 2020 1.4 MB .pdf
Catalog Quick Select Guide 2020 English Multiple 07 Apr, 2020 11.7 MB .pdf
Brochure SGP brochure English Multiple 07 Nov, 2019 343.7 KB .pdf
Installation guide SGP Sight glasses English Multiple 17 Jun, 2020 583.0 KB .pdf


Coolselector®2 app icon

The truth is Cool(selector®2)

Coolselector®2 features unbiased calculations for the selection of refrigeration and air conditioning components based on the user’s requirements or based on standard operating conditions.



Related products

  • Product photo of the sight glass type LLG by Danfoss
    LLG sight glasses

    Danfoss LLC sight glasses include types for monitoring flow, moisture, and liquid level. The sight glass indicators are optimized for applicable refrigerants.