... 3.Belt type:sailcloth belt, nylon belt, polyester belt, steel-cord belt 4.Apply scope:Metallurgy, Coal, Transportation, electric power, ... has following features: Technical data :· Tube(pipe) material: carbon steel pipe · Tube(pipe) diameter:89-217 mm · Tube(pipe) ... coefficient, waterproof, effective sealing system· High accurate carbon steel pipes ensure the rollers with low vibration and noise· Multi ...