Neuma Solenoid Valve NV-ISO2-52-A2

08/19/2020

How to distinguish inferior refrigerants What effect does refrigerant purity have on the system

Inferior refrigerants will affect the performance and stability of the system, and more seriously will cause damage to system components and compressors. The following methods can be used to distinguish whether it is a low-quality refrigerant:

06/23/2020

Advantages and disadvantages of Hitachi central air conditioning

At present, the central air-conditioning of the refrigerant system is still the best done by Japanese brands. When it comes to Japanese central air-conditioning, one has to say that Hitachi, one of the Japanese air-conditioning BOSS, is a well-known international central air-conditioning brand. Most air conditioners now use scroll compressors as the core of power, and the world’s first scroll machine for air conditioning was manufactured by Hitachi in 1983.

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

09/07/2020

The reason why permanent magnet compressor replaces electric tiger

Energy conservation is the theme of the development of this era. In this era, we will regard energy conservation as a reference value no matter what products we buy. In the past two years,

07/23/2020

R410a and R22 refrigerant comparison application and installation specifications

1.Introduction to the properties of R410a refrigerant<br></br> 1. R410a is a HFCs refrigerant mixed with two working fluids of R32 and R125 at a mass fraction of 50% and 50%. It is a near-azeotropic mixture (pseudo-azeotrope), and its thermal performance is close to a single working fluid.

05/13/2025

How to Reset Your Air Conditioner: a Step-by-Step Guide

Air conditioners are essential for keeping your home comfortable and cool during the hot summer months. However, if your air conditioner is not functioning properly, it can be frustrating and uncomfortable.

08/24/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the expansion water after the system is heated, and plays the role of exhaust in the natural circulation up-and-down system.

03/20/2024

AC Servo System: Components, Working Principle, Pros ＆ Cons, Types and Application

AC servo system is a precision control system that is usually used in applications that require high-precision motion control, such as machine tools, automated production lines, and robots.

08/28/2020

These hidden corners of the air compressor, so clean it

In summer, for air compressors, every day is the same; as if it is accidental, it is heatstroke and difficult to heat. During the operation of the air compressor, the production of sludge

09/09/2020

Installation method to ensure that the air compressor does not leak oil

1. Install the gasket correctly: The gasket between the parts of the air compressor functions as a leak-proof seal. If the material, production quality and installation do not meet the technical specifications, it may cause oil leakage.