Weirless Radial diaphragm in-line valves

Minimise contamination risk and save up to 80% maintenance time

Minimise contamination risk and save up to 80% maintenance time

Contamination-free and consistently dependable diaphragm valves for aseptic applications

Around the world, ASEPCO Weirless Radial diaphragm™ valves deliver consistency in biotechnology and pharmaceutical processes while reducing maintenance time by up to 80%. Their unique construction and radial diaphragm design makes them completely drainable and virtually eliminates the risk of contamination.

We have developed ASEPCO valves to minimise risk. Changing a diaphragm takes seconds, with no need for special tools. A simple Tri-Clamp® assembly makes inspection fast and easy. Fluid contact materials comply with many global industry standards, safeguarding you and your process.

ASEPCO weirless radial diaphragm in-line valves


Designed to save you time





Strong and lightweight actuators

ASEPCO in-line diaphragm valve actuators

Learn more about our in-line valve actuators



ASEPCO in-line valve diaphragmsLong-lasting, quick-change diaphragms

The valve diaphragm can be changed without special training or tools. Customers tell us this reduces maintenance time by as much as 80% compared to alternative valve technologies. Our radial shoulder seal design gives consistent, leak-free, uniform sealing. 

Learn more about our in-line valve diaphragms

  • In-line valve

    In-line valve

    Our best-selling in-line valve is easy to install - and never needs adjusting or re-tightening.

  • Sterile access valve

    Sterile access valve

    Minimise hold-up volume, with two flow paths in one efficient valve.

  • Block-and-bleed valve

    Block-and-bleed valve

    We've eliminated the usual dead leg between seal points, in a reliable block-and-bleed valve.

ASEPCO Weirless Radial diaphragm valve brochure

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  • Help and advice

    For help or advice please contact us on:

    UK Sales Support:

    • Phone: +44 (0) 1326 370362

    Global Office

    • Phone: +44 (0) 1326 370370 

    You can also send us an email