实际上因环境不同，所选用的桥架也就不同，尤其是大跨距电缆桥架，基本建筑行业都需要用到它，今天，我们就来了解下大跨距电缆桥架的正常使用环境标准，下面 济南电缆桥架厂家为您解答。

In fact, due to different environments, the selected cable tray is different, especially the long-span cable tray, which is required by the basic construction industry. Today, we will learn about the standard of the normal use environment of long-span cable tray. Now, the cable tray manufacturer in Jinan will give you an answer.

一、大跨距电缆桥架正常使用环境标准：

1、 Environmental standards for normal use of long-span cable tray:

1、江南体育移动端app官网 在正常环境下，使用温度要达到-20℃到55℃；

1. Under normal environment, the service temperature of long-span cable tray shall reach - 20 ℃ to 55 ℃;

2、相对湿度＜95%；

2. Relative humidity ＜ 95%;

3、安装地点海拔高度不超过2000米；

3. The altitude of the installation site shall not exceed 2000m;

4、不同气候的环境，选用不同气候环境等级的桥架参数，按温度、湿度、防火等；

4. For different climate environments, bridge parameters of different climate environmental levels shall be selected according to temperature, humidity, fire protection, etc;

5、桥架要有一定的防火功效；

5. The bridge shall have a certain fire protection effect;

二、特殊使用环境标准：

2、 Standards for special use environment:

1、敷设在不同化学腐蚀的环境：电缆桥架要做到耐盐，耐酸、耐硫化氢、耐氯化氢等；

1. Laying in different chemical corrosion environments: the cable tray shall be salt resistant, acid resistant, hydrogen sulfide resistant, hydrogen chloride resistant, etc;

2、特殊环境下，大跨距电缆桥架表面要进行防护，防护的方式通常有三种：热镀锌、电镀锌或锌合金、热固型粉末静电喷涂或喷漆镀锌；

2. Under special circumstances, the surface of long-span cable tray shall be protected in three ways: hot galvanizing, electro galvanizing or zinc alloy, thermosetting powder electrostatic spraying or spray galvanizing;

3、无孔托盘(槽式)户内不低于IP30，户外不低于IP33；

3. Perforated tray (slot type) shall not be less than IP30 indoors and IP33 outdoors;

4、耐火型桥架户内不低于IP40，户外不低于IP44；

4. Fire resistant cable tray shall not be less than IP40 indoors and IP44 outdoors;

5、环境越恶劣，大跨距电缆桥架的防护层厚度就要越厚；

5. The worse the environment is, the thicker the protective layer of long-span cable tray will be;

6、需要屏蔽电气干扰的电缆网路，或有防护外部要求时，应选用带盖的槽式复合型防腐屏蔽电缆桥架；

6. For the cable network that needs to shield electrical interference, or when there are external requirements for protection, the covered trough type composite anti-corrosion shield cable tray shall be selected;

7、对于强腐蚀性环境，应选用F类复合环氧树脂防腐屏蔽电缆桥架，包括配件；

7. For highly corrosive environment, type F composite epoxy resin anti-corrosion shield cable tray shall be selected, including accessories;

8、户外环境要选用复合环氧树脂桥架；

8. Composite epoxy resin bridge shall be selected for outdoor environment;

9、在容易积灰和其它需要遮盖电缆桥架的地方，需要加盖板；

9. Cover plates shall be added at places where dust is easy to accumulate and where cable trays need to be covered;

以上就是关于大跨距电缆桥架使用环境的标准，希望对大家在选购时，能有一定的帮助。您有需求就来我们网站 //www.comprepyme.com咨询了解吧！

The above is the standard for the use environment of long-span cable tray, and I hope it will be helpful to you when purchasing. Come to our website if you need //www.comprepyme.com Ask and understand!