Danfoss Compressor SM160A9YK

08/02/2020

From the perspective of horsepower and energy efficiency ratio, central air conditioners should be selected like this!

The choice of central air conditioner for decoration has become a market trend. How to choose a suitable central air conditioner, choose a duct machine or a multi-line group

08/18/2020

How much do you know about air conditioner motors

1. The principle of air conditioner compressor motor<br></br> 　　1, single-phase asynchronous motor<br></br> 　　 The single-phase compressor for air conditioner has two windings, namely the start winding and the running winding (main winding),

02/10/2025

Battle of Giants - Differences of PLC by Siemens, Allen-Bradley and ABB

Many industrial equipment manufacturers in the world are producing PLC. The product and market competition between different companies is unavoidable.

07/17/2020

Precautions for cold storage acceptance

Whether the installation of the cold storage body is coordinated, whether the connection between the storage board and the storage board is tight, whether the cold storage door installation is stable and thick, whether the sealant seal is tight and leak-free, whether the plastic strips around the cold storage door and the door frame are firm, and whether the ground is smooth.

03/14/2023

Working Principles and Characteristics of Common Water Pumps

Water pump is a machine that transports or pressurizes liquids, which is mainly composed of impeller, pump case, pump shaft, bearing, filling seal device, and other parts.

05/29/2025

Solenoid Valve Symbols Explained

The solenoid valve is a component that controls the position of the valve core through an electromagnetic coil to open, close and change the flow direction of the medium (air, hydraulic oil, etc.) in the pipeline.

01/15/2022

Case Studies of How to Replace a Compressor in Refrigerator (Part Two)

As we have mentioned in the first part, it’s the refrigeration capacity, the clean piping system, and the drying filter that deserve our attention.

09/07/2020

Inverter 35 Q

1. What is an inverter? 　　Inverter is an electric energy control device that uses the on-off action of power semiconductor devices to transform industrial frequency power into another frequency.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

09/16/2020

Check Valve PrincipleCheck Valve StandardCheck Valve Features

Check Valve Principle|Check Valve Standard|Check Valve Features|Check Valve Function|Check Valve Size Check valve is also called one-way valve or check valve, its function is to prevent the medium in the pipeline from flowing back. The bottom valve of the pump to close the water is also a check valve.