NAUTEC Service Partner

NAUTEC Authorized Service Partners

Certified Expertise. Genuine Components. Uncompromising Safety.

Professional maintenance is essential to preserving the safety, reliability and oxygen compatibility of your NAUTEC valves throughout their service life.

NAUTEC diving valves are safety-critical precision-engineered products, designed and manufactured in accordance with strict technical specifications and the highest quality standards.

To ensure that these standards are maintained throughout the service life of every valve, NAUTEC is establishing a worldwide network of authorized Service Partners.

All authorized NAUTEC service technicians have successfully completed the official NAUTEC Repair & Maintenance Course. This training provides the specialized knowledge, practical skills and technical instructions required for the proper maintenance and repair of our valves.

Why Only NAUTEC-Trained Technicians?

The safe operation of a NAUTEC valve depends on much more than the correct assembly of its individual components.

Every component, material, lubricant and assembly procedure must comply with NAUTEC’s technical specifications.

Authorized maintenance therefore requires strict compliance with the following standards:

Genuine NAUTEC Spare Parts: Only genuine NAUTEC components or parts expressly approved by the manufacturer may be used. This applies particularly to upper and lower spindles, sealing elements and all other safety-critical valve components.
Specified Tightening Torques: All threaded connections and internal assemblies must be tightened to the torque values (Nm) specified by NAUTEC, using suitable, properly calibrated torque wrenches. This explicitly includes the connection between the valve and the diving cylinder.
Approved Oxygen-Compatible Lubricant: NAUTEC requires the use of GLEITMO 599 for the valve components requiring lubrication. Substitution with any other lubricant is not permitted.
Proper Cleaning, Inspection and Assembly: All components must be cleaned, inspected, checked using appropriate thread gauges, lubricated and assembled in accordance with NAUTEC’s prescribed maintenance procedures.
Inspection and Functional Testing: Before being returned to service, maintained valves must undergo both internal and external pressure testing, as well as a functional check.

Failure to comply with these requirements may compromise the operational safety of the valve.

100% Oxygen Compatibility – A Requirement for the Entire Valve System

The oxygen compatibility of NAUTEC valves applies to the complete valve assembly, not merely to individual components.

NAUTEC uses GLEITMO 599, a specialized lubricant suitable for use with pure oxygen, which has been tested in combination with our specified valve components and materials by the CTE testing institute in France.

According to the technical tests conducted for NAUTEC, the specified combination of materials and lubricant is suitable for use with pure oxygen at pressures of up to 450 bar and temperatures of 60°C, under the defined test conditions.

Maintaining the tested oxygen compatibility requires the exclusive use of specified or approved components and lubricants, together with strict compliance with all cleaning, assembly and maintenance instructions.

Not every lubricant marketed for diving valves is suitable for use with 100% oxygen.

Certain lubricants are approved only for limited oxygen concentrations or specific operating conditions.

If the GLEITMO 599 lubricant specified by NAUTEC is replaced with an unsuitable lubricant, the original suitability of the entire valve assembly for use with pure oxygen can no longer be guaranteed – even if the valve continues to function perfectly from a mechanical standpoint.

Unauthorized modifications, unsuitable replacement parts, contamination or incorrect lubricants can pose serious safety risks, particularly when oxygen-enriched breathing gas mixtures or pure oxygen are used.

The original NAUTEC oxygen compatibility specification can only be maintained if all relevant manufacturer requirements are fully complied with.

NAUTEC Repair & Maintenance Certification

The official NAUTEC Repair & Maintenance Course provides specialized technical knowledge concerning the design, operation, servicing and safe maintenance of our valves.

Upon successful completion of the training, participants are qualified to maintain and repair our valves. Continued compliance with all applicable NAUTEC maintenance and service requirements is mandatory.

Extensive diving experience, diving instructor qualifications or technical training provided by other regulator or valve manufacturers do not replace authorized NAUTEC service training.

Only technicians trained and authorized by NAUTEC are permitted to perform maintenance work on NAUTEC valves.

Warranty, Liability and Unauthorized Repairs

ATTENTION – IMPORTANT SAFETY NOTICE

Never attempt to disassemble, modify, maintain or repair NAUTEC valves yourself unless you hold the appropriate NAUTEC service authorization.

Unauthorized repairs or deviations from the manufacturer’s technical specifications can seriously compromise product safety and may result in the original NAUTEC-tested properties relating to function, safety and oxygen compatibility no longer being guaranteed.

This particularly includes:

Installation of third-party components or replacement parts not expressly approved by NAUTEC.
Use of lubricants other than those specified or approved by NAUTEC.
Failure to comply with the specified tightening torques for internal valve components or the connection between the valve and the diving cylinder.
Incorrect assembly, insufficient cleaning or improper maintenance procedures.
Unauthorized modifications or interference with safety-critical components.

NAUTEC accepts no liability for damage, malfunctions or safety-related incidents resulting from unauthorized interventions or failure to comply with the prescribed procedures. The manufacturer’s warranty will be void!

Find Your Authorized NAUTEC Service Partner

Our international network of authorized Service Partners provides professional inspections, maintenance and repairs in accordance with NAUTEC’s technical requirements.

By choosing an authorized NAUTEC Service Partner, you ensure that your valves are serviced using genuine components, approved lubricants, specified tightening torques and manufacturer-compliant maintenance procedures.

Find your nearest authorized service technician in the directory below.

NAUTEC – Engineered for Safety. Serviced by Experts.