普通型桥架和复合环氧树指桥架的区别
电缆桥架是槽式、托盘式或梯级式的直线段、弯通、三通、四通组件以及托臂（臂式支架）、吊架等构成具有密接支撑电缆的刚性结构系统之全称。
The cable tray is trough, tray or stepped straight, curved, three links, four components and the arm (arm type support), which has compact support cable hanger rigid structure system.
1、需屏蔽电气干扰的电缆网路或有防护外部（如：有腐蚀液休，易燃粉尘等环境）影响的要求时，应选用（FB）类槽式复合型防腐屏蔽电缆桥架（带盖）
1, when the cable network is shielded from electrical interference, or if there are requirements for external protection (such as corrosive environment, inflammable dust and other environment), we should use (FB) slot type composite anti-corrosion shielded cable tray (cover).
2、强腐蚀性环境应采用（F）类复合环氧树脂防腐阻燃型电缆桥架。托臂、支架也要选用同样材料，提高桥架及附件的使用寿命，电缆桥架。在容易积灰和其它需遮盖的环境或户外场所宜加盖板。
2, the strong corrosive environment should adopt (F) type composite epoxy resin anticorrosion and flame retardant cable bridge. The bracket will choose the same material, improve the service life of the bridge and annex, cable tray. A cover board should be added to the easy to ash and other covered environments or outdoor places.
3、除上述情况外，可根据现场还环境及技术要求选用托盘式、槽式、梯级式、玻璃防腐阻燃电缆桥架或钢质普通型桥架。在容易积灰和其它需遮盖的环境或户外场所宜加盖板。
3, in addition to the above circumstances, we can choose tray type, trough type, step type, glass anticorrosive flame retardant cable bridge or steel ordinary bridge frame according to the on-site environment and technical requirements. A cover board should be added to the easy to ash and other covered environments or outdoor places.
4、在公共通道或户外跨越道路段，底层梯级的底部宜加垫板或在该段使用托盘 。大跨距跨越公共通道时，可根据用户要求提高桥架的载荷能力或选用行架。
4. In the public passageway or the outdoors crossing the road section, the bottom of the bottom steps should be added to the plate or use the tray in the section. When the large span crosses the public passage, the load capacity of the bridge can be improved or the row frame can be selected according to the requirements of the user.
5、大跨距（>3m）要选用复合型桥架（FB）。
5, the large span (>3m) should choose the composite type bridge (FB).
6、户外要选用复合环氧树指桥架（F）。
6, the compound epoxy tree finger bridge (F) should be selected outdoors.
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