Aluminum alloy cable tray, stainless steel cable tray, FRP cable tray, plastic sprayed cable tray and hot-dip galvanized cable tray all have waterproof and corrosion resistance. Therefore, the commonly known "waterproof bridge" is these five types of bridges. Don't be misunderstood. Think how mysterious the waterproof bridge is and what material it is made of, Xiaobian uses professional industry experience to tell you that for outdoor installation, in order not to be damaged by external factors, such as rain, the following four types of bridges are usually selected before purchasing bridges, so as to clearly understand the construction environment and then select materials. Common specifications of aluminum alloy cable tray are as follows: 80mm * 60MM; 100mm*50mm； 150mm*100mm200mm*100mm300mm*100mm； 400mm*100mm； 400mm*150mm。

对于跨距大于6m的钢制电缆桥架和跨距大于2m或承载要求大于荷载等级D级的铝合金电缆桥架，条件应该是该项目的实力，刚度和稳定性的计算或试验验证。全天候产品：产品使用不受海拔高度限制；可长期在零下40℃的环境中工作，绝缘树脂不开裂；可在户内、外高污染等级（4级）的环境中长期使用。桥架采用铝合金挤压成型，尺寸精度高、强度好、外形美观、重量轻、承载能力大：表面喷砂氧化生成一层天然的氧化保护膜，对大气和化学介质具有很强的耐腐蚀能力：

For steel cable trays with a span of more than 6m and aluminum alloy cable trays with a span of more than 2m or with a bearing requirement greater than load grade D, the condition shall be the calculation or test verification of the strength, stiffness and stability of the project. All weather products: the use of products is not limited by altitude; It can work in the environment of minus 40 ℃ for a long time, and the insulating resin does not crack; It can be used for a long time in indoor and outdoor environment with high pollution level (Level 4). The bridge is extruded with aluminum alloy, with high dimensional accuracy, good strength, beautiful appearance, light weight and large bearing capacity. The surface is sandblasted and oxidized to form a natural oxidation protective film, which has strong corrosion resistance to the atmosphere and chemical media:

按铝合金电缆桥架承载能力分为：A（轻型）、B（中型）、C（重型）三种；轻、中型*长4000，重型*长6000。油浸电缆应密封良好，无漏油及渗油现象。其他说明铝合金电缆桥架功能特点:铝合金电缆桥架有哪些型号

According to the bearing capacity of aluminum alloy cable tray, it is divided into three types: a (light), B (medium) and C (heavy); light and medium * length 4000 and heavy * length 6000. The oil immersed cable shall be well sealed without oil leakage and oil leakage. Other description of the functional characteristics of aluminum alloy cable tray: what types of aluminum alloy cable tray

1、铝合金电缆桥架采用铝合金挤压成型，尺寸精度高，强度好，外形美观，重量轻，承载能力大；

1. Aluminum alloy cable tray is extruded by aluminum alloy, with high dimensional accuracy, good strength, beautiful appearance, light weight and large bearing capacity;

2、表面喷砂氧化生成一层天然的氧化保护膜，对大气和化学介质具有很强的而腐蚀能力；

2. The surface is sand blasted and oxidized to form a natural oxidation protective film, which has strong corrosion ability to the atmosphere and chemical media;

3、铝合金梯式桥架，铝合金托盘式电缆桥架，铝合金线槽，铝合金大跨距梯式桥架，按桥架承载能力分为：A（轻型）、B（中型）、C（重型）三种；轻、中型*长4000mm，重型*长6000mm。

3. Aluminum alloy ladder bridge, aluminum alloy tray cable bridge, aluminum alloy trunking and aluminum alloy long-span ladder bridge are divided into three types: a (light), B (medium) and C (heavy) according to the bearing capacity of the bridge; light, medium * length 4000mm and heavy * length 6000mm.

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