Baitie ventilation pipe installation quality requirements: 1, branch hanging bracket, size, spacing must meet the design requirements, air valves, etc. shall be set boom ventilation plant engineering design, duct boom must be firm, elevation and location to meet the design requirements, Parts Installation Requirements plant ventilation cooling system in the right direction, easy operation, dampers manholes must be easy to operate. 2, outlet installed in the correct position, the exposed part of the whole child consistent neat appearance. Paste should be wind on the front wall insulation nail dust, oil remove the adhesives were applied in the duct and insulation nail, slightly dry and then to glue, nail insulation paste density 12 / m2. Laying down insulation board materials: cutting to be accurate, cutting to flush Ventilation, lap to tight formation, bulk material can not be exposed, vertical and horizontal joints staggered plate. Leakage Rate Testing and inspection should be qualified special measuring instruments or measuring devices used in line with national standards in force measurement device (flow measurement throttling device) shall erection. Leakage testing device can be ducted or plenum type. Duct testing devices using orifice for metering element, the plenum-type test device using a nozzle for metering elements, the measured and design values ??given the last measure of not less than 10 percent qualified. In some large hotels, basement smoke control engineering, clean room engineering and ventilation and air conditioning engineering and other occasions, smoke control system is essential. Plant ventilation works | Xiaoshan District plant ventilation | ventilation supplied by Hangzhou Hangzhou Xingda Xingda ventilation equipment. Hangzhou Xingda ventilation equipment (www.tz1288.com/shop/index_6525.html) strong, credible, in Hangzhou, Zhejiang fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving ventilation Xingda innovative ideas will lead into the brilliant and you work for a better future!