Usually the diameter of the inner cylinder is about 300mm, and the diameter of the outer cylinder is about 700mm. The length varies depending on the requirements of each manufacturer, generally 2000, 2500, 3000, 3500, 4000, 4500mm, etc. Our company can customize waterproof bulk machine telescopic sleeves, oil-proof bulk machine telescopic sleeves, and dust-proof bulk machine telescopic sleeves of various specifications from ф300mm to ф600mm * 1500mm to 3000mm.

Widely used in cement, metallurgy, building materials, mechanical and electrical, chemical and other industries.

Telescopic bag products have the advantages of uniform air permeability, stable size, wear resistance, high temperature resistance, corrosion resistance, long life, and energy saving.