全国服务热线
18107691421[sort:name]
[sort:subname] {/pboot:sort}联系我们
Basic knowledge and specification of fir···
Fire damper: It is installed on the air supply and return ducts of ventilation and air conditioning systems, and it is usually open. When the temperature of gas···2024-08-14
Working principle of check valve
The working principle of check valve is that the disc opens under the action of fluid pressure flowing in one direction. When the fluid flows in the opposite di···2024-08-14
What are the precautions for the install···
1. Smoke exhaust fire damper can be interlocked with ventilator and smoke exhaust fan.2. The operating mechanism side of the valve should have a clear space of ···2024-08-14
What are the error checking requirements···
The function of 3c smoke exhaust fire damper is that when the smoke temperature reaches 280℃, people have basically evacuated, and at this time, the smoke has ···2024-08-14
What are the precautions for installatio···
Everyone knows the importance of fire dampers, so how can the installation of fire dampers be divided into positive and negative? What are the precautions for t···2024-08-14
What are the applications of smoke exhau···
I believe everyone is familiar with the smoke exhaust fire damper. Its appearance has been favored by a wide range of people. Do you know what applications it h···2024-08-14
English