Cable tray models, business models bridge Chai Jin (certified), Shijingshan cable tray cable tray provided by the Tianjin Chai Jin Limited. Tianjin Chai Jin cable bridge Limited (www.tjcjdlqj.com) is specialized in the "galvanized bridge, fire bridge, ladder type cable tray, spray tray, fiberglass tray, hot dip galvanized bridge" of the enterprise, the company adhering to the "integrity management, intentions of service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Cai Yu Guan. [Chai Jin cable tray to recommend star products - Tray] 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 the cable shielding interference and heavy corrosion in the cable environment protection have good results. Cascade style, tray, trough cable tray respective advantages and disadvantages: stepped line bridge with good ventilation performance, no dust, no protection against interference. Trough, tray-line bridge with dust, anti-interference performance. [Chai Jin cable tray to recommend the star product - bridge] if different levels of cable laid in the same cable tray, intermediate bulkhead should be increased isolation. 1.8 When the steel line segment is longer than how much money 30m cable tray, aluminum cable tray when more than 15m. Or when the cable tray should stretch after building (settlement) seam allowance leaving O-30mm compensation. Its retractable connector plate connection should be used. 1.9 cable ladder, tray width and height should be chosen to meet the requirements of the filling factor, cable ladder, under normal circumstances tray fill rate within the cable tray price, power cable desirable 40% -50%, control cables desirable 50 %. 70%. L0% should be set aside and a 252 project development margin. 1.10 When selecting cable tray load rating if the actual span cable tray hangers is not equal to 2m time. The work uniform load should be met: where qG ---- Work uniform load cable tray which sell, kN / m; qE ---- rated uniformly distributed load, kN / m; LG ---- actual span , m. Bridge rated uniform load rating in Table 1.