Copeland Compressor 4DA3A101E-TSE

08/19/2020

Troubleshooting of low valve temperature of screw chiller

The outlet temperature of the expansion valve of the screw chiller reflects the evaporation temperature, which is a factor that affects the heat exchange. Generally, the difference between it and the outlet temperature of the refrigerant water is 5~6℃.

07/02/2024

Proportional Solenoid Valves: Working Principle, Types, Difference and Application, with Diagrams

A proportional solenoid valve is a device that controls the opening degree of a valve by changing the input current to the electromagnet (solenoid coil).

06/14/2020

Industrial refrigeration screw refrigeration compressor repair

Industrial refrigeration screw refrigeration compressor maintenance, screw refrigeration compressor has the following advantages:

08/10/2020

Do you know the selection of solenoid valve

The selection of solenoid valve should first follow the four principles of safety, reliability, applicability, and economy in order, based on the four principles, and secondly, according to the six aspects of field working conditions

09/05/2020

The screwdriver factory started, how do you go in the air compressor industry

Since the compressor industry has entered the "new normal" with the Chinese economy, growth bottlenecks have become prominent and market competition has intensified. Every compressor company is seeking changes, seeking more profits and new development directions.

06/29/2020

Several causes of compressor burning

07/21/2020

Analysis of the application advantages and disadvantages of the five major refrigeration compressors

At present, semi-hermetic piston compressors are mostly used in the cold storage and freezing and refrigeration markets (commercial refrigeration and air conditioning are also useful, but they are relatively less used now). The semi-enclosed piston cold storage compressor is generally driven by a four-pole motor, and its rated power is generally between 60-600KW. The number of cylinders is 2-8, up to 12.

10/24/2025

Common Faults of Cold Storage (with a List of Fault Repair Methods)

Cold storage is an indispensable and important facility in many industries. They play a key role in storing and preserving various products. However, even with the most sophisticated systems, cold storage can suffer from various failures.

03/03/2023

The Importance of Air Cylinder Piston Sealing Ring and Solutions to Air Leakage

Cylinder piston sealing ring is essential for the normal functions of the cylinder. The piston sealing ring prevents fluid from bypassing the piston

07/25/2020

This is the "3 times", "8 steps" and "5 keys" of central air conditioning installation~~

It is not an exaggeration to say that the central air conditioner is installed with 3 points and 7 points for quality. The central air conditioner needs to be properly matched with the interior decoration. In fact, the equipment itself is only a "semi-finished product".