Reliable connections for industry and maintenance

How to proceed with your selection

The first step is to consider what the coupling needs to do. This includes what media will be used, how high the pressure is, and how large the lines are. The next step is to decide on the right type. A quick coupling is suitable for frequent changes, while a multiple coupling is suitable for several lines in a confined space. If you operate complex systems, a multiple connection is a better choice.

The material must also be right. Stainless steel withstands aggressive substances and is suitable for sensitive processes. Brass is a solid all-round solution. Plastic scores points for its low weight and low cost. It is also crucial that the coupling fits existing hoses and connections. In many industries, proof of standards or certifications is also required. If you are unsure, you should seek advice from Klefinghaus. This will allow you to clarify early on which coupling is suitable for your system.

Function and advantages of common coupling types

Quick couplings are the right choice when lines change frequently or tools are exchanged regularly. They save time and simplify handling. Multiple couplings connect several lines at once. They help to save space and clearly structure connections. Multiple connections are intended for systems that are particularly complex or safety-critical. They can be constructed in a modular fashion and adapted at any time.

Important maintenance and replacement information

Couplings only remain reliably sealed if they are checked and cleaned regularly. It is particularly important to take a close look at systems where lines are changed frequently. Check for material deposits, surface damage, and visible corrosion.
As a rule, it is sufficient to check the couplings every three to six months. Carefully cleaning the coupling and removing any dirt will ensure that it continues to work properly. Minor damage can be detected early on before it develops into a major problem.

Seals should not be overlooked either. They are among the components that are subject to the most stress. If they are porous or show cracks, they should be replaced immediately. If the clutch itself shows signs of damage, loses pressure, or makes unusual noises, replacement is also advisable. Good documentation of all maintenance steps helps to plan intervals and avoid errors. In addition, train your staff so that everyone knows what to do. This is the only way to keep the system safe and efficient in the long term.