Complementary to our offer of process valves, check out our services for complete satisfaction

 Seal replacement on shut-off valve


Test on pressure










Performance as a requirement, at your service


Backed by 45 years’ experience, well-known for unequalled product performance and with a reputation for meeting stringent requirements, today DEFINOX is present in over 50 countries and places all its know-how at the disposal of its customers, combined with optimum local services.

Our team of specialised, dedicated technicians provides maintenance services both in France and abroad. Valve repairs, whether on site or in our workshops, can be arranged as part of a customised maintenance programme to minimise production shutdowns. We are also able to provide you with training aids to make operation easier: videos, manuals, etc.

Download our maintenance and fitting notice on our space dedicated to custumers



We will keep a close eye on developments throughout project implementation. From recommendations on what equipment to use to the choice of technology and materials, we provide our support throughout the design phase. Customers are also welcome to use our test bench facility to trial products under actual operating conditions.



DEFINOX met toute son expertise à votre disposition en devenant centre de formation. Maintenance,  DEFINOX is now able to provide training services, backed up by all our expertise. Maintenance, assembly, disassembly, fault diagnosis, advice on safety, we offer courses in theory and practice to suit your requirements, whether on site or at DEFINOX.

Download our training program


*training activity registered under number 52 44 06683 44.
This registration does not confer government approval.



Our customer service department is also able to offer spare parts of known origin, selected specifically for DEFINOX products. We can also manage and help you set up your own on-site stock of spares.


Your contact:


Dominique JADAUD


Portable :


DEFINOX conçoit et fabrique des vannes process brevetées en acier inoxydable et des équipements spécifiques personnalisés tels que des systèmes de raclage simple ou doubleévents autonomes ou manifolds de vannes. Associés à tous nos produits, notre PackServices vous assure différentes prestations de service.