[Chai Jin cable tray to recommend the star product - the bridge] choose a size, width and height of the bridge on the press table selection trough bridge 100, and shall comply with the cable really charging rate does not exceed the values ??specified in the relevant standards trough bridge xqj, power cables desirable 40-50%, 50-70% control cables desirable, in addition I need to stay away 10-25% of type development margin. 2, various elbow and accessories shall conform to the specifications and conditions of the project layout and matching tray. 3, support and hanger size selection, should bridge specification, layers, span configuration and other conditions. And shall meet the load requirements. 4, the bridge cross-sectional area of ??choice in Table [Chai Jin cable tray to recommend the star product - Bridge] in the room, as far as possible along the wall of the building, columns, beams and slabs erected, as promised when the use of a comprehensive pipe gallery erected, should be on one side or the top of the pipe erected parallel trough-style bridge, and consider deflectors and branch lines to avoid cross, if no other pipe racks to borrow, you need inception (branch) column. (2) load calculation: Calculate the cable tray vertical section on the main trunk cable weight per unit length. [Chai Jin cable tray to recommend the star product - bridge] trough cable tray trough cable tray is a fully enclosed cable tray. It is applicable for laying computer cables, communication cables, thermocouple cables and other sensitive systems control cables. It controls shielded cable interference and heavy corrosion in the cable environment protection have good results. Stepped, tray, trough cable tray respective advantages and disadvantages: stepped line bridge with good ventilation performance, no dust, no interference. Trough, tray-line bridge with dust, anti-interference performance. Steel trough bridge, Chai Jin Cable Bridge Works best quality, baodi bridge trough cable tray provided by the Tianjin Chai Jin Limited. Chai Jin Tianjin cable bridge Limited (www.tjcjdlqj.com) is Tianjin, metal building materials leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Chai Jin leader in cable tray with the staff warmly welcome all inquiries negotiations to create Chai Jin cable tray a better future.