Danfoss Compressor SH380B3ALV

08/17/2020

How to deal with the failure of the freezer to start

Although domestic refrigerators have high performance, they also have the possibility of failure during actual use. Today, let’s take a look at how to deal with the failure of the freezer to start.

09/14/2020

Common troubleshooting methods for twin screw compressors

Common troubleshooting of twin screw compressor 1. Trouble phenomenon The exhaust temperature of the unit is high (over 100 degrees) The coolant level of the unit is too low (should be visible in the oil glass but not more than half) Dirty oil cooler

12/13/2021

How to Add Encoder to Stepper Motor

When the current flows through the stator winding, the stator winding produces a vector magnetic field. The magnetic field will drive the rotor to rotate an angle, so that the direction of magnetic fields of the rotor is consistent with that of the stator.

08/31/2020

The height of the boss determines the future of the company

At the end of October 2019, the four-day Shanghai International Compressor and Equipment Exhibition came to a successful conclusion. A total of more than 280 companies participated in this exhibition, more than half of the scale of the whole machine companies,

08/29/2022

How do Circuit Breakers Extinguish Electric Arc?

The arc is a free gas with high temperature and high conductivity, which not only has a great destructive effect on the contacts

08/17/2020

Problems that need attention in the use, installation and maintenance of air-cooled chillers

Air-cooled chillers have many advantages in terms of performance, which makes it more and more widely used, and its advantages such as small footprint and fully computerized automatic control operation management mode have been favored by more enterprise 碌7館

04/28/2025

EGR Valve Replacement Cost: Factors, Estimates, and Considerations

The EGR (Exhaust Gas Recirculation) valve plays a crucial role in modern engine management systems, helping to reduce harmful emissions and improve fuel efficiency.

06/29/2020

How the compressor works

06/29/2020

Compressor oil change index

Compressor oil change index The general indicators for determining whether the refrigeration oil can continue to be used are: appearance, viscosity, acid value, moisture, pour point, flash point, compressive strength, copper corrosion, mechanical impurities and insolubles.

02/24/2023

The Differences Between Butterfly Valve and Ball Valve

The biggest difference between butterfly valve and ball valve is that the opening and closing part of butterfly valve is a plate, while the ball valve is a ball.