Dfb Type Metal Long Beam

We are offering dfb type metal long beam.
dfb metal long beam can cooperate with various monomer, metal prop make up metal stand.
horizontal and slow worthy of inclined working face in coal mine and using in other large control area.
dfb metal long beam can long span cantilever support control top area
roof. Implement working face has a larger no-support supporting work space. In order to improve the working conditions, adopt new type of coal mining machinery, flexible conveyor cashier transform the favorable conditions.
1,bearing capacity of beam span 700 mm, middle of beam concentrated load;
2,weight contain 0.7 kgm weld weight;
3,in model specification each is 200 mm add a specification
dfb(1400,1600,1800,2000,2200,2400,2600,2800,3000,3200,3400,3600,3800,4000,4200,4400).