Hitachi Compressor SH380RY-C8DU1IN

09/05/2020

The safety red lines of the screw air compressor must not be touched, especially the last two

Every kind of machine has some safety measures during operation to ensure the normal work of the machine and the personal safety of the operator. The screw air compressor is no exception. It needs some safety protection measures in the operation engineering. Let us find out together.

08/13/2020

How to take out the ammonia refrigerant in the refrigeration system

First, prepare all the tools and emergency supplies, such as ammonia irrigation, a certain number of ammonia bottles, connecting pipes, fitter tools, gas masks, rubber gloves, first aid medicine, etc.

08/08/2020

The design points of capillary refrigeration system

The design points of capillary refrigeration system 1. On the high-pressure side of the refrigeration system, do not install a liquid reservoir, and try to reduce its effective volume on the premise that the condenser can contain all the refrigerant.

06/25/2020

[Experience] Constant temperature and humidity box refrigeration system

[Experience] Constant temperature and humidity box refrigeration system Constant temperature and humidity box refrigeration system: 1 Two single-stage refrigeration system cascade refrigeration cycle; 2 Cascade refrigeration cycle of two-stage compression system;

07/07/2020

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

07/22/2020

The fluorine refrigeration compressor is short of oil, how to add it?

When the compressor is running for a period of time, we can judge whether the compressor is short of oil by observing the oil glass. If the oil level in the oil glass is lower than half of the position, then we need to replenish the oil. This article introduces the oil replenishment method of small and medium-sized compressors.

06/14/2020

Reciprocating compressor

Reciprocating compressor refrigerators The last one we want to see is reciprocating compressors. As newer and more efficient technologies have replaced it, this type of refrigerator is becoming less and less common, at least in the field of commercial ref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ߜ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ琉

09/08/2020

The evolution history of air compressors

The (mechanical) vacuum pump made in Germany in 1640 is the originator of modern air compressors. 　　 Around 1800, the first single-stage (reciprocating piston) air compressor was made in the UK, and its discharge pressure was 1.38MPa (gauge pressure).

09/21/2020

Common physical and chemical properties of lubricants

1 Overview<br></br> Kaifeng Air Separation Group Co., Ltd. has been designing and manufacturing centrifugal compressors for more than 30 years since it started manufacturing centrifugal compressors in 1969.

12/09/2022

How to Calculate the Service Life for Linear Guideways?

When the linear guideway is under load and moves, the surface of the ball track and the steel ball are constantly subjected to cyclic stress.