NKK Switch JWM11RA1A

08/18/2020

How to safely operate the compressor in an ammonia refrigeration system

Ammonia refrigeration compressor is a very important part of the refrigeration system, and it is also the main operation scope of the refrigeration workers. How to operate correctly is directly related to the safety index of the refrigeration system.

08/15/2020

Simple treatment method after the refrigeration system enters water

Since the chiller has a water system, there is a possibility that the refrigerant system may enter water when it is used improperly. Therefore, a process guide is formulated for the problem of water ingress

06/29/2020

Compression ratio of American Copeland compressor

06/14/2020

11 common protection devices for refrigeration compressors

11 common protection devices for refrigeration compressors When the compressor is running, some abnormal conditions may occur, such as: the discharge pressure is too high

08/15/2020

Precautions during the use of air-cooled refrigerators

Before using the air-cooled chiller, you can carefully count the operating data of the equipment, and then based on these operating data, you can make a basic judgment on the operating status of the equipment,

05/31/2024

Solenoid Valve Types: the Most Complete Guide

The solenoid valve is one of the common valves in industrial control systems. It can control the opening and closing of the valve through electromagnetic force, thereby achieving control of the gas and liquid lines.

07/13/2020

Identify the authenticity of Danfoss compressors solenoid valves expansion valves and filters

HVAC】Innovative products and series of Danfoss commercial compressors To date, Danfoss has provided more than 100,000 air-conditioning large scroll compressors to the Chinese air-conditioning market.

08/21/2020

What are the advantages of using economizers for screw chillers

1. What is an economizer Economizers are often used in secondary air screw compressor refrigeration systems. Under working conditions with relatively low evaporation temperatures (below -25°C), the efficiency of ordinary single-stage screw compressors decreases,

08/24/2020

The highlight of the air-conditioning industry this year-playing the health card

In fact, the concept of "healthy air conditioner" was not first proposed this year. As early as a few years ago, some brands had already launched related products, but at the time it was aimed at high-end consumers, and the market's awareness of it was relatively limited.

06/09/2022

How to Test Solenoid Coil?

When selecting and using solenoid coils, we should think about the inspection and measurement of the coils, and then judge the quality and advantages and disadvantages of them.