HVAC & Refrigeration Blog

2019-09-04

Excessive Heating of Refrigeration Compressors

Excessive heating of the compressor leads to a decrease in the viscosity of the oil and one

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2019-08-01

Lowering of the Oil Levels in Refrigeration Compressors

Lowering the oil level in the cup of a compressor causes a lack of lubrication and of cooling, which results in an abnormal increase in operating temperature, in the seizure of bearings and in the connecting rod block

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2019-07-09

Cause of Oil Dilution in Refrigeration Compressors

The migration of the refrigerant into a non-functioning refrigeration system is one of the main causes of oil dilution.

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2019-05-15

Lubrication Problems in Refrigeration Compressors

The most common problems regarding lubrication are: oil dilution, lowering of oil level and loss of viscosity due to excessive heating of the compressor. Oil dilution is certainly the most common problem in refrigeration systems.

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2019-04-23

Damage Analysis in Refrigeration Compressors - Part II

Let us first examine the mechanical failures caused by liquid shots. Disassembling a compressor, for example, showed that the intake valve was damaged following an attempt to compress coolant or oil, or both.

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2019-03-18

The Eco-Friendly Air Conditioner that Does Not Use Refrigerant Gases: Incoming Revolution?

A German team has developed a device that acts as an air conditioner and heat pump, thanks to a metal alloy 'equipped with memory'.<br /><br/>A group of German researchers has developed a heating and cooling system that has twice the

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2019-03-11

Damage Analysis in Refrigeration Compressors - Part I

In a refrigeration system the compressor is rarely the direct cause of mechanical accidents. When a damage of a certain amount occurs in a system equipped with reciprocating compressors, it is therefore important to know the operating conditions thor

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2018-12-28

Phase-Down in the Recovery of Refrigerant Gases: Does It Still Make Sense? Who Decides if the Results are Adequate? - Part 2

What is important to clarify, after what we’ve addressed in the previous article, is that every gas, if recycled, can not end up in equipment similar to those from which it was extracted.

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2018-12-13

Phase-Down in the Recovery of Refrigerant Gases: Recycling and Regeneration According to EN378 - Part 1

How many times have we heard that the United States innovate, China copies and the European Union regulates? A lot. How true is all this for the temperature conditioning market? Same.

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2018-11-20

Blue is Better: Not Just a Slogan for Frascold, but a Made in Italy Excellence

<b>Let's start by talking about history: what distinguishes Frascold and what contributes to its identity?</b><br /><br />We are a company with 80 years of history and from the beginning we cover the whole cold chain (including shipping), we have mor

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2018-11-05

Officine Mario Dorin: The Automotive Sector Serving Refrigeration Compressors

The following is an Interview with Giacomo Pisano, CO2 Business Development Manager at Dorin.<br />&quot;Officine Mario Dorin: a Tuscan excellence famous in the world. Let's talk about history, would you like to?&quot;.<br />

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2018-10-22

Chillventa: German Optimism Driving the Cold

Many signs show that the cold, at European level, is driven by commercial and economic expansion of the major players, Germany first and foremost. As proof of this statement, this year’s edition saw + 10% more participants

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