[Chai Jin cable tray to recommend the star product - large span bridge] current cable tray is generally assembled by FRP profiles, suitable for power cables, control cables, lighting cables and accessories. Compared with the iron bridge, has a long life (typically the design life of twenty years), ease of installation and low cost (steel accounts for only a quarter of the price ladder bridge, construction without flare, a single bridge lengths up to 8 m ladder bridge, or even longer), cutting easy, no maintenance and other advantages. [Chai Jin cable tray to recommend the star product - the bridge] 1.5 EMI shielding required cabling. Or when an external protection such as outdoor sunlight to shadow n, oil, corrosive liquids, combustible dust and other environmental requirements. Should be used without holes tray cable bridge. 1.6 In places easily accumulate dust ladder bridge Which is good, cable tray cover should be used; in public access across the road segment or outdoor. Should increase the use of non-porous plate or tray on the bottom of the bridge. [Chai Jin cable tray to recommend the star product - the bridge] bridge within its control cable does not exceed the total cross section s total cross section of cable tray s. 40% of the principle. Total cross section s control cable is: where: s1, s2, s3 ...... for various control cable bridge in cross-sectional area (including the sheath section) units of mm, d3 ...... within the outer diameter of the cable tray various control The unit is mm; nnn ...... the number of these same types of specifications of the cable. Corresponding control cable tray width b: where h is the height of the cable tray, the unit is mm. When the cable tray installation indoors ladder bridge much money, in order to ensure beautiful bridge straight, neat line, its horizontal load deformation should generally be controlled within 4.0mm. How much money ladder bridge _ Chai Jin cable tray (certified) _ Xinxiang ladder bridge provided by the Tianjin Chai Jin cable bridge 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.