Danfoss Compressor PSH019A4ALC

09/14/2020

Analysis of common failures of diesel-driven air-cooled air compressor

In this issue, some analysis is made on the power, clutch configuration and common failures of diesel-driven air compressors. 1. At present, there are four main types of diesel-driven air compressors supporting okmarts.com:

09/08/2020

The difference between air-cooled and water-cooled screw air compressors

The difference between air-cooled screw machine and water-cooled screw machine: 　　The oil cooler of the air-cooled screw compressor and the compressed air after-cooler are made into one body. It is an aluminum plate-fin structure and brazed in a vacuum furnace. Once the oil leaks, it is almost irreparable and only replaced. The working principle is that hot oil and high temperature (about 80℃) gas flow in their respective pipes,

09/26/2025

How Does an Expansion Valve Work?

The expansion valve is installed at the inlet of the evaporator. Its function is to eject the high-temperature and high-pressure liquid refrigerant from the receiver dryer from the small hole of the expansion valve.

10/16/2020

How to distinguish true and false Copeland compressors

Every year in the refrigeration peak season, there are always some non-original Copeland compressors from OEM or refurbished companies appearing on the market. Due to the current many models of Copeland compressors, the market is relatively chaotic, which will affect purchases.

08/07/2020

Don't let the air conditioner "false malfunction" fool you

in winter, the utilization rate of air conditioners soars. On the other hand, okmarts.com, a service network owned by O&K, sometimes receives calls from citizens saying that the air conditioner at home is broken.

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

08/02/2020

Why the cold storage project can quickly return to temperature after power failure

Recently, many people have asked why the cold storage project has a rapid constant temperature after a power failure. This problem is believed to occur when many users use the cold storage.

08/26/2020

The development history of scroll refrigeration compressors

1. In 1905, Frenchman Leon Creux proposed the working principle of scroll machinery and applied for a US patent.

09/08/2020

Air compressor lubricant model the difference between No. 32 and No. 46 air compressor lubricants

Air compressor lubricants are generally No. 32 oil and No. 46 oil. No. 32 is a mineral type. The general service life is about 2000 hours and needs to be replaced. The operating temperature must be below 90 degrees to avoid carbon deposits.

09/07/2020

There are skills in chasing money at the end of the year-look at the sales of air compressors

At the end of the year again, I believe that most of the sales staff of air compressors have been chasing money recently, right? At the end of the year, the boss did not agree with the rest of the money, and he was not happy.