Attention should be paid to the details of ventilation duct processing. Only by paying attention to detail can the air duct be free from any problems during use.
1. clean the cutting surface, powder, grease, water stain and dust, and brush the adhesive on the cutting surface
2., the wind tube panel according to the design requirements of bonding, to glue do not stick hand. And use scraper leveling. For difficult to flat parts, can use wood hammer gently hammer flat
3. the plate joint from one end to the other end, press the middle position of the pressure sensitive aluminum foil tape, the pressure sensitive adhesive tape on the side of the width of not less than 20mm.
4. cleaning panel cutting powder, according to the air conditioning duct processing task list, check whether the wind pipe panel meets the design requirements
5. check whether the bonding of plates meets the quality requirements
6, galvanized steel sheet wind pipe is the air conditioning, ventilation and smoke exhaust system in the application of the most traditional and most widely used products. Galvanized steel sheet air pipe inner wall is smooth, small resistance, good air tightness, high bearing strength. The steel pipe is easy to be made on the spot and is closely matched with the civil engineering, so it can be applied to the very complicated ventilation project.
7, galvanized steel pipe duct cost than stainless steel plate, duct is low, use is very extensive. The galvanized steel sheet air pipe is widely used in all kinds of ventilation and air conditioning system. The ventilation duct is divided into two types: round type and rectangular type. It can produce all kinds of pipes of various shapes and sizes according to the different needs of the general users.
8 、 stainless steel plate, wind pipe corrosion resistance is strong, the inner wall is smooth, the same thickness of stainless steel plate, the pressure bearing capacity and hardness of the air duct is larger than the galvanized pipe duct. Stainless steel pipe has a good finish, easy to clean, high appearance. But the cost is higher.
9, the common plate flange duct, also known as "unable to LAN pipe", its production form than the traditional rectangular wind pipe processing faster, more convenient, smaller leakage rate. The utility model has the advantages of saving material, reducing engineering investment, small air leakage, reducing energy consumption and saving operating cost, and is well received by construction enterprises.
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