Danfoss Compressor SM090T7CZ

11/23/2021

Different Types of Pressure Transmitters

Pressure transmitter is a kind of instrument which can convert pressure variable into standard output signal. There is a functional relationship between the pressure variable and the output signal of pressure transmitter.

08/02/2020

Principle and maintenance method of air conditioner pressure protector

In addition to window air-conditioning units, many air-conditioning systems use high-pressure and (or) low-pressure pressure protectors to protect the compressor in the event of a system failure. During the normal operation of the device

07/16/2020

Main features of semi-closed scroll compressor

1. On-site maintenance: The shell of the half-sealed scroll compressor can be disassembled, and the horizontal cast iron body is fixed by bolts. 2. Patented flexible scroll technology: compact structure, extremely low vibration-quiet operation and higher tolerance to liquids and magazines.

08/09/2020

How to deal with the problem of refrigerant leakage from the freeze dryer

Leak detection points require patience, carefulness and certain methods. The specifics are as follows: first use the visual inspection method to open the box panel of the machine to observe the inside of the machine

08/17/2022

AC Motor: Types, Speed Control, Features & Uses

An <strong>AC motor</strong> is a device that converts AC electrical energy into mechanical energy. The AC motor is mainly composed of an electromagnet winding used to generate a magnetic field

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.

08/03/2020

What are the thermal state parameters of the refrigerant

The working fluid is constantly changing its thermal state. The physical quantity describing the thermal state of the working fluid is called the thermal state parameter of the working fluid, referred to as the state parameter.

08/16/2020

What are the reasons for the shortened life of cold storage projects

With the progress of society and the development of all walks of life, the installation of large and small cold storage has gradually risen and spread quickly across the country.

07/07/2020

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

12/16/2022

Classifications of SD Cards

As a type of memory cards, Secure Digital card is referred to as SD card. It outperforms CF card and early SM card in terms of security.