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Work safely with pneumatic couplings

High flow rate with minimal pressure loss thanks to the right compressed air coupling: What types of couplings are used and for what are they suitable?

Est. reading time is 3 minutes

With the right choice of pneumatic couplings, compressed air systems can work safely and efficiently. Whether in the food industry, within recycling processes or for sorting very small parts in the pharmaceutical industry: pneumatic systems are used in a variety of ways. In addition to various pneumatic valves, suitable pneumatic cylinders and pneumatic fittings, couplings are key elements in ensuring safe operation. The functionality of pneumatic couplings is always the same.

Functionality and areas of application of compressed air coupling

The air required for the work process is achieved by connecting the coupling sleeve and coupling plug. Different systems can be used here. In most cases, a sliding sleeve on the coupling sleeve is moved axially to release the coupling process of the plug via an unlocking mechanism. The spring-loaded sliding sleeve moves to its initial position and locks the nipple, which is positively engaged in the end position, via small balls. Sealing within the coupling is usually achieved via an internal elastomer seal.
 

Safety in compressed air technology

To minimise the safety risk in compressed air-operated systems, it is advisable to use safety couplings. They make it possible to change connections quickly and easily but offer a higher level of safety as they control the compressed air flow better. This protects technicians from the risk of injury and the systems from damage

Compressed air couplings in comparison

One-hand quick-lock couplings

  • Easy, one-handed coupling and uncoupling
  • For fast, frequent connection changes
  • Suitable for standard applications

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Safety couplings with push-button

  • Coupling and uncoupling in a two-stage process: first deflate, then unlock
  • Prevent the whiplash effect
  • Meet the safety aspects of ISO 4414

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Couplings with colour coding and plug system

  • Fast coupling and uncoupling
  • With colour coding and geometric plug-in design for easy differentiation
  • Useful for differing media circuits

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Claw couplings

  • For compressed air supply in industry and construction
  • Connection by turning the coupling heads towards each other
  • Optional: with locking nut - unintentional loosening not possible

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Work safely with pneumatic couplings

How to achieve high flow rates with minimal pressure loss by selecting the right pneumatic couplings. Get to know the advantages of the different coupling types in comparison.

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Scan-to-order: For efficient logistics processes in ordering

Repeat orders without paper forms, without filling out order forms by hand and tailored to current requirements? This is made possible by ordering processes based on the scan-to-order principle.