Rubber diaphragms are versatile seals used in a wide range of applications to handle various fluids, air, and vacuum sealing and flow requirements. Our rubber diaphragms are custom-designed and engineered to operate for specific pressures and pressure changes, mechanical requirements, fluid interaction, and dynamic life. It can be tuned for unique application characteristics through component and material design, to optimize final assembly performance and cost.

Fabric-reinforced molded diaphragms are widely used instead of interference seals and flat diaphragms wherever a relatively long piston stroke is needed, and where dynamic and break-away friction would adversely affect the speed, accuracy or repeatability of an operation, and /or where blow-by leakage cannot be tolerated.
Typical applications include high-accuracy positioning, fluid metering and a broad range of control functions in which reliability and long service life with minimum maintenance are critical.

Advantages:
Virtually no friction
No break-away friction
Fast response to small changes in pressure – accurate positioning
Minimum wear - minimum maintenance
No blow-by leakage
No lubrication needed
Zero spring rate
Disadvantages:
Generally higer costs than interference seals
Longer installation time, in some instances

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