The role of the fire valve is to install a protective component when the air duct enters a separate fire safety section.Usually open, automatically turn off after overheating, and carry out protection.Its valve board is located inside the weather and invisible from the outside.
The following editors will share the main points of buying the fire prevention valve:
1. The leaves of the oil circuit board should be steel plates, which are thin and thick.
2. The role of the gate valve, if it is often opened, it is often closed, automatically closed and open, and manually turn off and opens.
3. If the gate valve is connected to the axial flow fan, a dual -micro switching device shall be taken.
4. The specifications of the fire prevention valve should be selected according to the application occasions and needs, such as the ventilation air -conditioning system and the smoke exhaust system.In the kitchen smoke system of public buildings, the action temperature should be 150 ° C, and in the general ventilation air conditioning system, the action temperature should be 70 ° C.
5. The material of the fire valve should meet relevant standards, such as stainless steel, galvanized steel plate, aluminum alloy, etc.At the same time, the appropriate material should be selected according to application occasions and needs, such as high temperature resistance and corrosion resistance.The rotating component should be used for corrosive metal composite materials and rotate the spiritual stool.The shell of the gate valve should not be less than 2mm.
6. The fire valve should have functions such as constant opening, normally closed, automatic shutdown, automatic turnover, manual closing, manual reset, signal output, and long -distance control.
7. When purchasing fire prevention valves, pay attention to the brand credibility, quality certification, product quality, etc., choose products with good quality assurance.
8. Fire prevention valve should be easy to maintain and clean, such as removable structures, convenient cleaning, etc.
In short, when choosing a fire prevention valve, you need to select the appropriate specifications, materials, functions and quality according to actual needs and occasions, and consider the convenience of maintaining and cleaning.
The above is the main point for the purchase of the fire prevention valve. I hope that the above content can be helpful to everyone. Thank you for your viewing and support. In the later period