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Disc-shaped membrane (2)

MembranesDisc-shaped diaphragm

What is a disc-shaped diaphragm?

Disc-shaped diaphragms are elastic sealing elements with a disc-shaped, curved geometry. Thanks to their special shape, they can accommodate moderate strokes while simultaneously generating a defined restoring force.

This design is particularly well-suited for applications that require stable and repeatable motion or switching behavior. Depending on the application, disc-shaped diaphragms can be customized in terms of material, geometry, and design.

What are the advantages of disc-shaped diaphragms?

  • Defined return force – The dish-shaped geometry supports controlled motion and return behavior.
  • High inherent stability – The domed shape gives the diaphragm high dimensional stability.
  • Suitable for medium strokes – The design is intended for applications with medium travel distances.
  • Reproducible response behavior – The defined geometry ensures consistent switching and motion behavior.
  • Customizable – Material, dimensions, and geometry can be adapted to the application.

Disc-shaped Diaphragm

Disc-shaped Diaphragm
Fields of application
static
dynamic
single acting
double acting
Linear
Rotating
oszilating
Main use Control components in automotive engineering, pneumatic actuators, pressure regulators for gases and liquids, and metering pumps.
Materials Elastomers, PTFE with filling material, fabric reinforcement, metal

Technical values

Materials
Pressure 0,07 MPa
Temperature -50°C / +120°C (depending on material)
Speed Depending on the application design
Maximum values temperature, speed and pressure are simultaneously not applicable! The values vary in dependence of material and media. For technical queries please contact our application consultants – we have the right solution for you. 
Downloads
Brochure

Where are disc-shaped diaphragms used?

Dish-shaped diaphragms are used wherever an elastic seal with defined movement and recovery characteristics is required.

Typical applications include, for example:

  • Measurement and control technology
  • Control and switching applications
  • Pneumatic and hydraulic systems
  • Pressure and force transmission
  • Technical equipment and systems
  • Applications with medium strokes

The specific design depends on the respective operating conditions and requirements of the application.

Do you need a custom solution? Together, we’ll develop a diaphragm that’s precisely tailored to your requirements.

PTFE Membrane ULP(3)

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