NTN Bearing 6988

07/19/2020

The role of precision chillers in various industries

In the precision chiller, the heat absorbed from the evaporator and refrigeration compressor and in the pipeline is transferred to the surrounding medium to take away, and the refrigerant high-pressure superheated vapor recondenses into a liquid. In the cooling process of the chiller, the condenser plays a role in outputting heat energy and condensing the refrigeran

08/04/2020

The correct method and detailed steps of the cooling system of the computer room

1. The equipment pipes of the refrigeration system must be drained before operation to remove the welding slag, iron filings, sand and other dirt remaining in the system during the installation process.

07/07/2020

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

08/07/2020

A picture teaches you to understand the professional installation of household central air conditioners!

Good product quality requires a professional installation process to maximize product performance. This perfectly explains the statement that central air conditioners rely on products for three points and installation for seven points.

09/10/2020

Analysis on the New Trend of Chinese Inverter Compressor Technology Development

In 1978, Japanese air-conditioning companies put forward the concept of inverter air conditioners. Because inverter air conditioners have many advantages, they soon entered the families of developed countries.

09/02/2022

The Working Principle of the Vacuum Contactor

The vacuum contactor uses the vacuum interrupter to extinguish the arc to frequently connect and cut off the normal working current.

09/15/2020

79 lightning protection liquid level transmitter, water level display meter head sensor

79 lightning protection liquid level transmitter, water level display meter head sensor okmarts.com pressure sensor, okmarts.com pressure transmitter, okmarts.com pressure sensor PTH601F uses diffused silicon piezoresistive core or ceramic piezoresistive core, 316 stainless steel structure, mainly suitable for rivers, underground water levels, reservoirs, water towers and containers, etc. liquid level measurement and control.

09/04/2020

The difference between ordinary asynchronous motor and variable frequency motor

1. Ordinary asynchronous motors are designed according to constant frequency and constant voltage, which cannot fully meet the requirements of variable frequency speed regulation

07/13/2020

Danfoss training-common faults and analysis of compressors

Danfoss training-scroll compressor I participated in Danfoss' service provider training and learning twice a week this week, mainly on scroll compressors (MLM series, MLZ series, LLZ series), and the recently hot scroll compressors for heat pumps (SH series, PSH series) ). And analyze the common faults of the compressor and exchange solutions.

08/14/2020

Air conditioner repair-come here

I learned from a senior air conditioner repairer that we can judge the general failure of the air conditioner by observing the characteristics and operation of the air conditioner.