I believe many people don't know what iron air duct is. It is a kind of ventilation air duct, which can help the transportation and circulation of gas. Although these people have less access, they provide a lot of help for life. After the completion of galvanized air duct system, corresponding inspection must be carried out to effectively ensure the quality and use effect of iron sheet air duct. Let's take a look at the actual inspection work:
1. The strength of iron sheet ventilation pipe shall meet the requirement that there is no crack at the joint under 1.5 times the working pressure;
2. Use the light leakage method to monitor the strict level of the air duct of the system: select a certain intensity of safety light source to move slowly along the inspection interface position and joint, observe and check on the other side, make records, and find that the joint leakage needs to be sealed; When the leakage method monitoring system is selected for sealing, it is qualified that the light leakage point of the low-pressure system air duct is no more than 2 per 10m joint, and the average value of the 1OOm joint is no more than 16; For every 10m joint of the air duct of the high-pressure system, the light leakage point is not more than 1, and the average value of the oom joint is not more than 8;
3. The air leakage detection of the system can be carried out as a whole or in sections. During the test, all openings of the tested system shall be closed without air leakage. When the air leakage exceeds the requirements of design and acceptance specifications, you can listen Touch Observation If water or smoke leaks, find out the air leakage position and make a mark; After repair, test again until it is qualified.
The above is a detailed introduction about the ventilation ducts in Jinan. I hope it will help you If you have any questions, please contact us We will provide you with professional service http://www.rps-infinia.com