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Home / Products / Quick Couplings

Quick Couplings

Space-saving granulate conveying technology

In plastics processing, there are some points in the pellet supply lines where granulate conveying pipes need to be connected to conveying hoses. For this purpose, Digicolor offers unique quick couplings to connect these points as easily and user-friendly as possible. In Digicolor’s pipe-shell connectors, all surfaces in contact with the granulate are made entirely of stainless steel. Furthermore, these quick couplings function without seals that could touch the pellet flow. These couplings are self-centring, can be operated with only one hand and have no clamping points. In this way, the handling of these pipe-hose connectors is not only particularly easy but also very safe. The risk of accidents at work due to clamping or crushing at the coupling points is thus greatly reduced.

Quick couplings from Digicolor are designed to be extremely space-saving and enable industrial-grade connection of pellet conveying pipes with pellet conveying hoses in granulate supply systems. Furthermore, these couplings can be used wherever mechanical connecting pieces for granulate conveying have to be connected to conveying hoses. Examples are material separators, conveying devices, suction boxes as well as suction connections on bulk material containers or granulate containers.

Such quick couplings are available in different nominal diameters and can be easily integrated into any granulate conveying system.

Variants of the quick couplings:

  • Quick coupling DN-30, nominal diameter 30 mm
  • Quick coupling DN-40, nominal diameter 40 mm
  • Quick coupling DN-45, nominal diameter 45 mm
  • Quick coupling DN-50, nominal diameter 50 mm
  • Quick coupling DN-60, nominal diameter 60 mm
  • Quick coupling DN-70, nominal diameter 70 mm

Pipe-hose couplings from Digicolor can be used in central conveying systems, in machine-related granulate supply, applications of dosing technology, granulate drying as well as in recycling processes. Wherever different granulate components have to be fed, mixed or extracted, Digicolor couplings facilitate the interconnections of the granulate supply lines.


  • Very small outer diameter
  • One-hand operation
  • Self-centring
  • Quick release fastener
  • Sealless
  • Stainless steel
  • Operation in confined spaces
  • Work safety – no jamming of fingers

Users from the plastics processing industry rely on the use of Digicolor quick couplings to reduce maintenance and set-up times and to enable the easiest possible handling of the granulate supply at coupling points. These tube-to-tube couplings are used in a wide variety of applications, e.g. in injection moulding and extrusion processes in the electrical and electronics industries, the automotive and machine construction industries, as well as in medical and packaging technology. In addition, quick couplings from Digicolor are suitable for retrofitting and modernising existing or used couplings, even in existing systems.

quick coupling

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