HOLTEK IC Integrated Circuit Chip HT7718B

04/28/2025

EGR Valve Replacement Cost: Factors, Estimates, and Considerations

The EGR (Exhaust Gas Recirculation) valve plays a crucial role in modern engine management systems, helping to reduce harmful emissions and improve fuel efficiency.

06/14/2020

An article to understand the centrifugal compressor

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08/05/2020

How to add R410A refrigerant

The pressure of R410A is about 1.6 times higher than that of R22 refrigerant. Therefore, in the process of construction and after-sales service, if there is an incorrect operation, a major accident may occur.

08/11/2020

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.

01/24/2022

Factors to Consider When Selecting a Pressure Transmitter with the Diaphragm Seal System

The transmitter with a diaphragm seal system is composed of a diaphragm seal system, the capillary and filling liquid.

08/20/2020

Talking about how to install large-scale cold storage refrigeration equipment

Cold storage is mainly used as constant temperature storage air-conditioning equipment for food, dairy products, meat, aquatic products, etc. Cold storage is actually a kind of low-temperature cold storage and also a type of refrigeration equipment.

06/29/2020

What is the cause of compressor pipeline vibration

08/24/2020

Problems related to refrigerant charging

Computer room air conditioning units are generally charged with refrigerant at the installation site. There are two main methods for refrigerant charging: weighing method and observation pressure method.

06/14/2020

Central air-conditioning unit classification

Central air-conditioning unit classification The central air conditioning unit is the core part of the central air conditioning system. Reasonable selection of units is very important for a central air-conditioning project. Regarding the cooling mode and器2䀀
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06/14/2020

The central air conditioner can be used! Must use outdoor clean fresh air

The central air conditioner can be used! Must use outdoor clean fresh air There have been no newly diagnosed and asymptomatic infections in Guangdong for many days, and the epidemic prevention and control has entered a new normal stage