P+F Pepperl Fuchs Sensor NCB2-8GM30-E2-V1

08/07/2025

Differences between Circuit Breaker and Isolator Switch?

A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions and can do the same under abnormal circuit conditions within a specified time.

08/09/2020

What are the differences between non-standard refrigerators and standard refrigerators

Non-standard refrigerator means that it is different from standard refrigerator. Let’s take a box-sealed refrigerator as an example. It is mainly composed of a compressor, an evaporator, a condenser,

07/07/2020

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

08/11/2020

What are the common problems in the use of cold storage for preservation products

Two commonly used measures to block the exchange of hot and cold air include installing an air curtain or installing a transparent plastic soft curtain in the cold storage door.

05/23/2023

Why is My AC Freezing up? How to Fix [With Pictures]

Every summer people will think of using air conditioners to help lower the temperature. This will allow them to live better and more comfortably.

01/17/2023

How does Variable Valve Timing Work?

The valve timing system of a traditional engine is a mechanical system in which the valve timing (i.e., valve opening and closing) remains unchanged.

06/29/2020

Precautions for the use of screw air compressor oil

Precautions for the use of screw air compressor oil Note on the use of screw air compressor oil: It is forbidden to mix air compressor oils of different brands and grades. The old oil must be drained when replacing. It is strictly forbidden to add or filter and reuse.

03/18/2025

Mitsubishi Heavy Industries - Haier Vs. Toshiba Commercial Air Conditioners

Because of the acceleration of urbanization, commercial air conditioners have developed rapidly in recent years.

09/10/2020

Air compressor selection and energy saving methods

I. Overview Among many commonly used energy sources, compressed air can be said to be one of the popular energy sources second only to electricity. Although the use of compressed air has not yet penetrated into ordinary households like electricity,

07/19/2020

Have you mastered the general troubleshooting methods for ammonia refrigeration

In the refrigeration system of the cold storage, the refrigeration compressor is the core equipment, usually called the refrigeration host. At present, piston refrigeration compressors are mostly used in small and medium-sized cold storage refrigeration systems. Due to the different refrigerants,