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Omniseal® Polymers

Omniseal® Diaphragms
Fluoropolymer Diaphragms For Valves & Pumps
About This Solution

Omniseal® diaphragms are designed to offer long life time in the harshest environment; therefore, we only use high-performance materials that provide an excellent compromise between chemical compatibility and mechanical properties. These polymer materials include Virgin PTFE and Modified PTFE.

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Application Examples


Our Omniseal® diaphragms are designed to provide a long lifetime in the harshest environments; therefore, we only use materials that offer an excellent compromise between chemical compatibility and mechanical properties: Virgin PTFE and Modified PTFE materials.

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Our Omniseal® diaphragms are molded to the final shape for valves diaphragms or thermoformed (TFM) for the pump diaphragms. In both cases, solutions are designed to fit the customer's hardware to ensure easy assembly and integration. They are designed for both low and high pressures.

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Temperature resistance

from -240°C to +280°C (-400°F to +536°F), temperature is dependent on materials selected in design phase of pump or valve diaphragm


145 psi (10 bar) maximum for pump & valve diaphragms

Max Speed

High speed & frequency (pump)

Low speed & frequency for closing and opening (valve)

Dimensions Diameter

Pump diaphragms: from 50 mm to 400 mm

Valve diaphragms: Nominal DN8 (¼”) to DN150 (6”)

By carefully reviewing material, spring and design, we can adapt our solution to your particular needs. Here are some technical specifications that have already been achieved: 

Proven Examples

Your Project

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A team of expert designers


Customized solutions & materials to suit your projects


Expert of precision seals

Omniseal Solutions can help you with your project