Sight glasses

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Series of sight glasses for high pressure applications

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

Application Development Centers - Danfoss

Application Development Centers

Partner up with us to prepare for the future. At our global Application Development Centers we offer a collaborative environment with expert support and state-of-the-art test facilities for refrigeration and air conditioning.

We are Engineering Tomorrow. Together. Today.


Type Name Language Valid for Updated Download File type
Article Food safety Focus on system performance, reliability and connectivity English Multiple 19 Dec, 2018 470.4 KB .pdf
Brochure SGP brochure Ukrainian Ukraine 23 Apr, 2020 349.0 KB .pdf
Brochure SGP brochure Portuguese Multiple 331.6 KB .pdf
Brochure SGP brochure French Multiple 350.1 KB .pdf
Brochure SGP brochure English Multiple 07 Nov, 2019 343.7 KB .pdf
Brochure SGP brochure Spanish, Castilian Multiple 333.9 KB .pdf
Brochure SGP brochure Italian Multiple 333.4 KB .pdf
Brochure SGP brochure Russian Multiple 349.3 KB .pdf
Brochure SGP brochure Chinese (CN) Multiple 387.6 KB .pdf
Brochure SGP brochure German Multiple 368.0 KB .pdf



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.




Latest news

  • Full Danfoss portfolio of valves and line components ready for R454C, R455A, and R1234yf
    Full Danfoss portfolio of valves and line components ready for R454C, R455A, and R1234yf
    Friday, October 30, 2020
    The entire Danfoss portfolio of refrigeration components is now qualified for three A2L ultra-low GWP refrigerants: R454C, R455A, and R1234yf. This complements the previous qualification of the T2/TE expansion valves in July 2020.

Avoid counterfeits

Identify and fight counterfeits of Danfoss products

Watch out for counterfeits to protect your image

Fake products give your business as well as our company a bad name. Therefore, we are doing everything we can to fight the counterfeits. Read more about how to make sure that the product you buy is genuine Danfoss quality.