SIEMENS Relay ZY4N-J AC220V without socket

08/18/2020

How to clean the condenser of the central air-conditioning chiller

With the improvement of the quality of life of residents, the "new aristocratic" central air conditioners in air conditioners have also entered the homes of ordinary people from tall shopping malls and villas.

09/03/2020

Energy efficiency rating is not the primary condition, it is more economical for air compressors to do so!

This article tries to discuss how to improve the operating efficiency of air compressors, reduce production costs, and help customers improve economic benefits. 　　Improve the operating efficiency of the air compressor

06/14/2020

Fresh air system allows you to breathe fresh air at home for 24 hours

Fresh air system allows you to breathe fresh air at home for 24 hours In recent years, poor outdoor air quality has caused sensitive people to induce respiratory diseases;

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

08/14/2020

What are the noteworthy issues in central air conditioning design

1. Variable air volume ratio 　　 The air-conditioning system runs under partial load conditions most of the year, that is to say, the fans, ducts and air volume of the end of the variable air volume system are mostly between the maximum and minimum air volume limits.

08/18/2020

Commercial freezers use repair and maintenance technology

1. When placing the location, please pay attention to placing it as far away as possible from the heat source or not exposed to direct sunlight, because the freezer itself needs to dissipate heat to the outside world.

09/11/2020

Electric valves have the advantages of easy assembly and low failure rate, becoming the mainstream of the market

In terms of operating efficiency and saving energy consumption, the use of automatic control valves is an indispensable part. The manual valves and pneumatic valves commonly used in traditional industries are not as good as electric valves in terms of installation cost and efficiency.

06/28/2022

What is Piston Pump?

A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston.Piston pumps can be used to move liquids or compress gases.

07/19/2020

The function and working principle of oil separator

The role of the oil separator in the chiller; In the vapor compression refrigeration system, the compressed ammonia vapor (or freon vapor) is in a high-pressure and high-temperature superheated state. Because of its fast flow rate and high temperature when it is discharged. Part of the lubricating oil on the cylinder wall is inevitably

06/14/2020

Knowledge of air conditioner and air duct system

Knowledge of air conditioner and air duct system First, the air-conditioning heat exchanger is divided into evaporator and condenser 　　 Copper tube type: smooth tube, internally threaded tube, trapezoidal internally threaded tube Fin type: hydrophilic,器2䀀
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