RISEN Overflow Valve RF-G02-1-30

09/07/2020

How to choose a frequency conversion air compressor correctly

The rise in raw materials, the rise in energy costs, the rise in human resources, and the rise in various aspects have made China, a major producer country, less and less advantageous.

08/13/2020

Four types of safety protection measures for refrigeration compressors

As the most important component of the chiller, the motor for the refrigeration compressor plays an important role in the after-sales maintenance of the chiller. Moreover, the maintenance cost of the chiller compressor is relatively high.

06/14/2020

The new air conditioner takes only 5 minutes to evacuate. What is the effect of air conditioning cooling and heating

The new air conditioner takes only 5 minutes to evacuate. What is the effect of air conditioning cooling and heating

09/21/2020

Lubricant knowledge

Lubricating oil knowledge 1. Lubricating oil function Lubricating oil is a liquid lubricant used on various types of machinery to reduce friction and protect machinery and processed parts. It mainly plays the role of lubrication, cooling, rust prevention, cleaning, sealing and buffering.

06/05/2024

What is Pneumatic System? Working Principle, Components, Pros ＆ Cons

Pneumatic technology uses compressed air as the working medium to transmit energy and signals. It is a technology that realizes the mechanization and automation of various production processes.

06/14/2020

Problems and case analysis of electronic expansion valve and four-way valve

Problems and case analysis of electronic expansion valve and four-way valve 1. The problem of electronic expansion valve 1 　　Identify the quality of electronic expansion valve: 　　Step one (see): Whether the wiring is plugged in place and whether the c器2䀀
ￜ皥
䖒皦즠Ʋ嫜ི㲈Ʋ
䌁皦
ᮔDž༬皧嫦ིЀ呄ᠾ鹨់༹皧
ࠄ
00령ꐱ댁珵뛐珵Љ
䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ
瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥
ب巠皱㙲皦忈皱੨皦柘皱
즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦
ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ
랖僧զ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

09/04/2020

Air compressor inverter will overheat The reasons and measures are here

The high temperature in summer often causes high temperature failure of the air compressor. At the same time, for the air pressure of the frequency conversion control, it is easy to cause the high temperature problem of the air compressor frequency converter.

08/21/2020

Treatment method of ammonia leakage accident in ammonia refrigeration compressor

During the operation of the cold storage, the maintenance and maintenance of the ammonia refrigeration system are not in place, which will cause some failures in the ammonia refrigeration system.

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.

07/07/2020

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