TIMKEN Bearing 32919

08/17/2020

The setting of fire damper in HVAC system

In the HVAC design, there are many types of valves for fire prevention and smoke exhaust, and the valve settings are different for different applications.

08/24/2020

What are the irrelevant and unreasonable requirements in air conditioning procurement

As a device commonly used in daily life and work, the purchase demand for air conditioners is strong all year round. Looking through the bidding documents of the government procurement of air-conditioning projects,

09/05/2020

What is the viscosity index requirement of air compressor oil how to choose

Air compressor oil has a good lubricating effect, which can not only improve the efficiency of air compressors, but also reduce the failure rate and reduce maintenance costs.

07/07/2020

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

08/07/2020

What is the difference between air-cooled heat pump units and water-cooled heat pump units

What is the difference between air-cooled heat pump units and water-cooled heat pump units Some people have never figured out what is the difference between air cooling and water cooling? The following compares the working principles,

06/29/2020

Several causes of compressor burning

08/08/2020

Precautions for high-pressure cleaning shell and tube condenser

1. The main medium of the high-pressure cleaning shell and tube condenser is water. The water must be filtered before use to prevent impurities in the water from clogging the water pipe during cleaning

08/15/2020

Precautions for operation of cold storage evaporator

Cold storage evaporators can be divided into two categories: air coolers and cooling pipes. Air coolers are generally used in cooling rooms, freezing rooms and cooling reduction rooms for cooling objects.

09/05/2020

Viscosity index requirements for air compressor lubricants

As everyone knows, air compressor lubricating oil is very important, and it is an indispensable necessity during the operation of oil screw air compressor. There are many functions of lubricating oil in screw air compressors, the most important of which is lubrication.

09/07/2020

Detailed explanation of common compressed air purification equipment

Commonly used compressed air purification equipment includes gas storage tanks, dryers (refrigerated and filters), and filters. 　　一: Gas tank