NSK Bearing NJ 320 E

06/14/2020

The brain hole is wide open! Japanese companies have introduced summer cooling masks,

The brain hole is wide open! Japanese companies have introduced summer cooling masks, which can be added to the refrigerator and frozen in the refrigerator after repeated use of the brain hole! Japanese companies introduced summer cooling masks, which can器2䀀
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06/28/2020

Precautions for installation and use of compressor-type car refrigerator

Precautions for installation and use of compressor-type car refrigerator A car refrigerator is a refrigerator that can be carried on a car. Car refrigerator is a new generation of cold storage appliances popular in the international market. Compressor car refrigerators are similar to household refrigerators. They are all cooled by compressor power. The refrigeration is fast and powerful. The refrigeration can reach -18 ℃. It can make ice and keep fresh

07/16/2020

Three factors determine the quality of cold storage

The size of the cold storage should be designed according to the highest amount of agricultural products to be stored throughout the year. This capacity is calculated based on the volume that the stored products must occupy in the cold storage, plus the aisles between the rows, the space between the stack and the wall and ceiling, and the gap between the packaging.

12/21/2022

Classifications and Features of Optical Fiber Amplifiers

An optical fiber amplifier, abbreviated as OFA, refers to a new type of all-optical amplifier used in optical fiber communication lines to achieve signal amplification.

09/04/2020

Factors affecting the use of oil-free air compressors

The oil-free air compressor is the main body of the air source device. It is a device that converts the mechanical energy of the prime mover into gas pressure energy and is a pressure generating device for compressed air. The factors that affect its use are:

07/12/2022

How to Choose an Air Compressor

Choosing an air compressor can leave you feeling lost if you don't know what to look for. That's because air compressors power a wide range of tools over a wide range of applications.

01/14/2025

Refrigerator PTC Relay Wiring Method

The PTC (positive temperature coefficient) relay is directly connected in series with the secondary winding (start winding).

08/14/2020

Analysis of common problems in the design of refrigerant multi-connected air conditioning system

1. Applicable area and scope of refrigerant multi-connection system 　　 Refrigerant multi-connection system is suitable for areas: The refrigerant multi-connection is suitable for hot summer and cold winter areas, hot summer and warm winter areas, and some cold areas.

07/31/2020

For an air conditioner with a heating power of 1390W+1050W, what is the power consumption for 1 hour of heating

Time flies, the air conditioner has just been out of service for two months, and it's time to start using it again. With air-conditioning, our biggest concern is power consumption.

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