Galvanized duct flanges processing in addition to the side length according to specifications, there should strictly be: galvanized duct material must be approved by the Employer, without corrosion, or pitting crust; flat butt welding flange degrees wrong port not more than 0.5mm, the rivet holes spaced not more than 100mm, pitch accurate, should have interchangeability; welding slag, weld spatter, rust should be thoroughly cleaned; rubbed rust strong adhesion primer two layer, holes and corner pour paint drip phenomenon may not have galvanized the exhaust duct alkaline stripping: The main source for the array of engineering stripper stripping process is used, the exhaust gas first passes through the condensation sink flange plate duct, will exhaust gas stripping liquid cooled tin wind pipe factory, the exhaust gas concentration after the absorption treatment contained in the condenser would be greatly decreased, and then sent to Central Scrubber do washing and processing, and then by the fan discharge air. Yangling Baitie Duct Duct prices _ _ galvanized iron Shenglong air conditioning (certified merchants) are provided by the Texas Shenglong ventilation and air conditioning plant. Texas Shenglong ventilation and air conditioning plant (www.fengguan666.com) (www.dzsltfkt.com) is specialized in "plate exhaust port, exhaust air box, high-temperature exhaust fan fire" of the enterprise, the company adhering to the "integrity management, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Hou Jingli.