Total plate flange duct loss | Huairou total duct board | Jie Weinuo Industrial galvanized duct (view) by 捷维诺 (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.jieweinuo.com) is specialized in the "co-flange duct dampers, fans, ventilation pipes, evaporative air conditioners, cable tray," the business, the company adhering to the "integrity business, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Su Wei. [捷维诺 recommend to you the star product - a total of flange duct] flange surface is not flat, rectangular flange rotated 180 degrees total duct board, does not coincide with the same specifications of the flange screw inner edge size or two diagonal size does not exceed the allowable deviation equal impact duct components normally assembled at the construction site. Small deviations caused during the installation of unnecessary modifications #, drilling; deviation caused by excessive rework and waste. Flange plate production: standard straight line from the piece directly pressed into the flange. Non-standard pipe, after elbows, tees, crosses, accessories, cutting, completed TDF flange forming on a single device. Flange angle by direct stamping die, when you install the card in the four corners can be. Connection between flanges with Falanca total fixed duct board, made of galvanized steel production, after Falanca molding machine cut into uniform sizes for installation and connection to use. TDF Flange steel pipe due to fused, do not like the angle flange-like punch riveted on the pipeline connecting the two sections with a special flange clamping flange plate duct technology, plus 90 degree flange angle corners After bolted. Simple operation, improve efficiency, the appearance of smooth, accurate size, interchangeability, product quality and stability [捷维诺 recommend to you the star product - a total of flange duct] Our company has been committed to the development of to develop high-tech ventilation, refrigeration products, as a professional co Shandong duct flange, angle iron flange duct board duct hook total yards, galvanized metal duct, galvanized duct, and other manufacturers we ensure quality but also to do better after-sales service, our company has a number of experienced professional and technical personnel, for a total of flange duct, duct flange angle iron, galvanized metal duct and exhaust fan has a certain the study.