HITACHI Expansion Valve ATX-12420DHG

07/06/2022

Magnet Pump Troubleshooting: Noisy and Seizing

Magnet pump has been available for many years. It is an important field in water pump. Today, let's take a look at two problems that are easy to occur: Noisy and Seizing.

07/07/2020

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

08/18/2020

Refrigeration equipment accessories and pipeline installation method

What are the installation methods of refrigeration equipment accessories and pipes? Let me tell you the answer today with okmarts.com editor!

01/28/2025

What is an AC Compressor? Everything You Need to Know

The air conditioner is one of the most used home appliances in hot summer. We all know that the air conditioner includes two parts: the outdoor unit and the indoor unit.

08/08/2020

Standard Design and Installation Specification for Cold Storage

The cold storage design specification enters the construction site, and according to the construction drawings, the implementation status is verified, and the equipment installation location (storage body, drain door, evaporator, host, condenser, control –ﰨ2䀀湠疖VǜV

12/23/2022

What is an Erbium Doped Fiber Amplifier?

The erbium optical fiber amplifier (EDFA) is an optical amplifier made of optical fiber doped with erbium.

06/14/2020

Is there any problem with compressor oil return

Is there any problem with compressor oil return 1. Mechanism analysis of compressor oil shortage During the operation of the system, the lubricating oil is discharged from the compressor along with the refrigerant, and then returned to the compressor 器2䀀
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06/30/2020

How to prevent fire and explosion of compressors with lubricant

How to prevent fire and explosion of compressors with lubricant Cars driving at high speeds on the roads are extremely dangerous in the event of an accident. In severe cases, they will cause the car to explode. Why? It is precisely because the car contains gasoline. After violent collision and friction, the gasoline will ignite and detonate.

01/14/2021

Causes and solutions of air-conditioning leakage

Some air conditioners will leak when used for a long time, and some new air conditioners have no problem in debugging, but after a few days of use, there will be water leaks, so what is the reason for air conditioning leaks? Today we will talk about the r器2䀀
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09/22/2020

Discussion on Technology Development of CNG Natural Gas Compressor

1 The rapid development of CNG As of 1999, there were nearly 70 CNG stations in 12 demonstration provinces and cities across the country, and the number of clean vehicles (NGV) was less than 10,000. After four years of rapid development, as of October 2003, there were 16 stations nationwide.