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Gas components

Expert in designing and manufacturing gas components for ultra high purity (UHP) or corrosive gas handling ; SEMCO Technologies provides you with the best quality products through its range of diaphragm, bellows, metering and check valves, manifolds and accessories.

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SEMCO Technologies, partner for your critical processes

Discover our gas components

SEMCO Technologies is a specialist in the designing and manufacturing of precision valves, gas panels and gas components used for the semiconductor, PV and nuclear industries.

We offer a catalog of standard products but we also excel in designing and developing customized products that are all designed and manufactured in France.

Our Products

Our gas components

Covering a wide range of sizes, pressures and temperatures, we guarantee an optimized control of your processes. Choosing our components ensures you an optimal gas flow control and leak prevention for your critical processes and applications.

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Our certifications and qualifications

SEMCO Technologies continually upgrades its personnel and equipment to meet the level of requirements expected by its customers.

ISO 9001

Project on going - End 2023


COFREND 2 qualification for leak test calculation


Employees and equipment QMOS certified

ISO 7 Cleanroom

All our products are manufactured in ISO 7 cleanroom

About our gas components

Technical characteristics

SEMCO Technologies offers you a wide range of components adapted to your technical requirements. Benefit from SEMCO Technologies teams expertise and let's work together to help you choosing the right components to optimize your critical gas processes.

Operating temperature

Operating temperature

From 0°C to 250°C

Operating pressure

Operating pressure

From 0 to 200 bars

Tube size

Tube size

From 1/8' to 1'

Customization on demand

Customization on demand

Products fully customizable on demand


Message us

For any additional information, our teams are at your disposal. Do not hesitate to contact us to learn more about our products and services.

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