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Polyurethane Open-Ended V-Belts

PU Open-Ended round and V-Belts are welded into conveyor and drive belts of any length. The belts are made of highly durable plastic, some types are also reinforced with a tension member. They are characterized by high strength, long service life, high temperature and chemical resistance.


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Belt Structure

Plastic Belt Structure

  1. Polyurethan or polyester

Plastic Belt Structure

  1. Polyurethan or polyester
  2. Polyester, glass or aramid tension member

Belt Fields of Use

The belts are used as drive or transport belts in many industrial branches, especially with small and medium loads. The most common applications are transport belts in the glass, ceramic or food industry. The belts can be connected with special tools directly on the machine. It is possible to make practically any length of the belt.

Belt Characteristics

  • High tensile strength and abrasion resistance
  • Excellent weldability, possibility of joining the piece
  • Resistance to oils, greases, pollution and chemicals
  • Temperature resistance from -30 °C to +80 °C
  • Can be used in the food industry

Belt Material

The PU belts are produced in different hardnesses of the material, which are simply differentiated by colors.

Basic profiles are round and wedge. Besides these, there are many other variants.

Material Colour
PU 75 A (80° Shore A) red
PU 80 A (84° Shore A) transparent/natural
PU 85 A (88° Shore A) green/yellow
PU 90 A (92° Shore A) white
Polyester 40 D (cca 92° Shore A) beige
Polyester 55 D (cca 98° Shore A) blue/beige

Profiles and dimensions

Profile Dimension in mm
Circular smooth Diameter 2.0 - 20.0
Circular rough Diameter 2.0 - 20.0
Circular hollow Diameter 4.8 - 15.0
Circular with reinforcement Diameter 6.0 - 20.0
Wedge smooth 6×4 - 32×20
Wedge with reinforcement 8×5 - 22×14

Belt Code Description

PU circular 3,0 PU 85 A green
PU circular - profile; 3,0 - diameter in mm, PU 85 A green - material, colour

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