[Jie Weinuo Industrial Star recommendation - flange plate flange plate duct] mainly by the Corner, flange clamps, and one with a duct connected to the flange connection, although the cost of this form of the duct lower (decrease the angle amount, reducing the amount of manual production angle flange), but the practical application of it is better angle flange firmly, air leakage is large tin wind pipe thickness, and must be processed through the wind pipe plumbing tools, handmade hardly achieve Making it usually applies only to new air system, air conditioning systems and other plumbing duct works, exhaust system or duct often with angle flange connection. [Jie Weinuo to recommend the star product - a total of flange plate duct] Jie Weinuo galvanized duct thickness 0.5-1.5 complete specifications on the production of 3,000 square meters, machine cut business galvanized tin wind pipe manufacturers, Duct spraying, but also processing fees low, plans to be designed to install the service. [捷维诺 to recommend the star product - a total of flange plate duct Price] flange surface is not flat, rectangular flange rotated 180 degrees, does not coincide with the same specifications of the flange screw inner edge size or two pairs diagonal size does not exceed the allowable deviation equal influence duct components normally assembled at the construction site. Galvanized tin duct, Jie Weinuo Industrial Case Tianjin Friendship Square, West plainer iron duct provided by 捷维诺 (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.tjjwnsy.com) is a leader in Tianjin, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Industry leaders in Jie Weinuo staff warmly welcome all inquiries negotiations to create a better future Jie Weinuo Industries.