Star Industrial Co., Ltd. [Jie Weinuo recommended angle iron flange duct] inner tube with a screw through the support wire reinforcement angle iron flange duct Dagang project, its dedicated external duct insulation gasket placed duct wall, do not duct insulation or inner duct insulation is placed in the duct wall, through wire screw should be set at the center of the duct, the duct cross-section is larger Chittagong angle iron flange duct manufacturers, should be close to the flange of each side plus one root through wire screw support reinforcement. Duct section> 1250 * 630, in order to maintain the adjacent wall perpendicular to each other, should be within the duct corners with 90 ℃ oblique support reinforcement. MV and HV systems duct, angle iron flange duct specification Chittagong its length is greater than 1250mm, reinforcement should be used to reinforce the frame. [Jie Weinuo Star recommendation - angle iron flange duct] angle iron flange duct, the length of a section is 1.25 m, with angle iron connections. Most used; Dagang angle iron exhaust pipe flange duct, easy installation, duct external processing, finished or semi-finished products made. Chittagong angle iron flange duct specification Chittagong _ _ Duct Duct preferred angle iron flange provided by 捷维诺 Jie Weinuo Industries (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.jieweinuo.com) strong, credible, in Tianjin fans, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jie Weinuo Industrial and you hand into the brilliant, for a better future!