Air cooler selection guide: correction factors and worked examples
How to use catalogue capacity tables with storage-temperature correction factors, the apple cold-storage example (3.5 kW / R404A), and refrigerant notes — for A / AG / AC unit coolers.
Read more →- Technical Guide|
What is refrigerant gas? What it does and where it is used
We explain the role of refrigerants in the refrigeration cycle, how they work with the evaporator, compressor, condenser and expansion device, and the main applications.
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What to watch for when selecting a refrigerant
When selecting the right refrigerant, consider the equipment manufacturer, safety class, operating pressure, oil compatibility, GWP and technical documentation together.
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What is the difference between pure and blend refrigerants?
We explain the main differences between pure refrigerants such as R32 and R134a and blends such as R410A, R404A and R407C, including temperature glide and service practice.
Read more → - Safety & Documentation|
How are refrigerant cylinders stored and transported?
Review the basic practices for safely storing, securing, labelling and transporting pressurised refrigerant cylinders.
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What are SDS, TDS and CoA? Which refrigerant document does what?
We explain how the safety data sheet, technical data sheet and certificate of analysis are used in purchasing, storage, tenders and shipment.
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Does AC gas run out? What a low refrigerant charge means
We explain that gas is not normally consumed in a closed refrigeration circuit, and why a drop in charge usually points to a leak or a service issue.
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What are refrigerant safety classes A1, A2L and A3?
See what A1, A2L and A3 mean in the ASHRAE safety classification and how they affect product selection and on-site safety.
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What are GWP and ODP? How environmental impact is assessed for refrigerants
We explain what GWP and ODP mean and how to read these values when assessing the environmental impact of refrigerants.
Read more → - Refrigerants|
What is R404A? Use in commercial refrigeration and current status
We cover how R404A is used in low- and medium-temperature commercial refrigeration, the implications of its high GWP, and service needs on existing systems.
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What is R134a? Applications and technical properties
Review how R134a is used in automotive air conditioning, commercial refrigeration and chiller applications, together with its safety class and key technical properties.
Read more → - Refrigerants|
What is R410A? Applications and differences from R32
Learn the composition of R410A, its safety class, applications and how it differs from new-generation R32 systems.
Read more → - Refrigerants|
What is R32? Properties and differences from R410A
Review the technical properties of R32, its A2L safety class, typical applications and the main differences from R410A.
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