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Custom COPVs

Customised Composite Overwrapped Pressure Vessels

CST Optimum has world-leading capabilities in carbon filament winding and extensive experience in composite overwrapped pressure vessels (COPV) design, fabrication and certification. We work with our customers and their technical specifications to develop certified, custom designed and manufactured COPVs for their desired application.

This includes requirements for:

Why choose us?

Composite materials development

With our in-house resin chemist

State-of-the-art resin development lab

To develop specialty resin systems for custom COPVs


Filament wet winding

Including plastic liner manufacture


CST Metrix™ proprietary software

Providing exceptional quality control and performance reliability

Automated production line

Automated production line

Driven by a sophisticated Execution Management system.

Testing and Certification

Safety is very important to CST Optimum and our customers. Our COPVs are subjected to comprehensive testing during the design and manufacturing stages, including:

We currently test products at our Utah facility and our product certification is endorsed by the US Department of Transport.

Contact us for further information or a quote on our custom COPVs.