Beware of Imitations in the Ultra High-Pressure Hydraulic Market

CEJN couplings and nipples are recognized for their safety, high quality and durability. Similar connectors claiming to have the same compatible mating parts have circulated the market a few years ago and our efforts in informative campaigns and safety training have been able to reverse that trend. A new problem has surfaced recently – some competitor product names and part numbers are so similar to CEJN products it is hard to tell the difference between them. With this, we want to make sure you can identify a CEJN coupling and understand the potential danger by mixing brands.

Safety is one of our top priorities and the best way to achieve that is to use CEJN original couplings and nipples only. CEJN’s over 40 years of experience in developing and manufacturing ultra-high pressure hydraulic products has secured our market leading position and is a guarantee of our expertise.


CEJN Alert Ring for Ultra High-pressure couplings

Guarantee compatibility, don’t mix brands

Our long experience and market leading position have made quick disconnects and nipples from CEJN the industry standard since there are no international standards, like ISO or DIN for this sector. Although there are quick connectors in the market that seem connectable with our products, they are not safely interchangeable. Only CEJN products guarantee high levels of safety.


CEJN Alert ring

One of our latest design updates was the addition of alert rings to our couplings as a visual indicator to ensure proper connection – safety is not something neglected by us. If the red ring is visible, the coupling isn’t connected securely.



Please note that if you are mixing CEJN products with products from other brands, we cannot safeguard you from any resultant accidents that may cause personal injury or damage property. It will also lead to loss of warranty and product liability.


How to identify a CEJN product

All of our products have visual product markings on them. Always check for the CEJN mark inscribed on both the CEJN coupling and nipple. If you’re unsure, don’t hesitate to contact your local sales office. If no marking is visible, you’re probably in the hands of a copy. 

CEJN Alert Ring for Ultra High-pressure couplings

To the left, coupling & nipple marking on new version. To the right, the old marking of CEJN coupling and nipple.


Safety guideline manual 

Extreme pressure demands high levels of safety precaution as a leak or accidental disconnection could cause serious personal injury or damage to machinery. Therefore, it was important for us at CEJN to produce guidelines to safety. Please download your FREE copy of the Safety guidelines for Ultra-high pressure hydraulic applications. If you are looking to have safety training conducted within your company, please contact your local sales office or have a look out at our website.

Learn how to work safely with Ultra High-Pressure Hydraulics. Download our Safety Guidelines!


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