Author Archives: Leo

Performance Differences Between Electronic Expansion Valves and Thermal Expansion Valves

Now more and more refrigeration equipment using electronic expansion valve instead of the original thermal...

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Chiller Pipe, Air Conditioning Pipe Insulation Thickness Table

Chilled water piping(≥5℃) Flexible foam rubber pipe shell (mm) Glass wool pipe shell (mm) Pipe...

What is VRV, VWV, VAV?

VRV is known as Variable Refrigerant Volume system, VWV is known as Variable Water Volume...

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What are the Operating Precautions for Combustible Refrigerants R32 and R290 ?

The world is looking for an alternative to R22 refrigerant, but there has been little...

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Metal Finishing Types And How to Choose the Right Chiller Size for Them?

Metal finishing is a process that involves treating the surface of a metal to improve...

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What is Wax Pattern In Precision Casting and How to Choose Chiller for It?

Investment casting of complex precision parts requires high-quality equipment capable of achieving tight tolerances with...

Case Learn: What Damages The Poor Quality Refrigeration Oil Can Cause?

In the maintenance process, it is not uncommon to see compressor wear caused by the...

Refrigerants Temperature-Pressure Chart for R-22, R-410A, R-407C, R134A, R404A

Temperature Refrigerant °F °C R-22 R-410a R-407c R-134a R-404a -60 -51.1 11.9 0.9 16 21.6...

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How to Make A Backyard Ice Rink and How to Choose An Ice Rink Chiller?

Ice rinks are among the most energy-intensive public buildings in developed and developing countries. According...

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