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Molded Diaphragm Solutions Molded Diaphragm Solutions

About Molded Diaphragms

Molded Diaphragms... Ideal Solution to Tough Sealing Problems

Molded Elastomeric Diaphragms are tough, versatile dynamic seals that eliminate virtually all of the limitations associated with other sealing methods like U-cups, O-rings, metal bellows and flat die-cut diaphragms. They can withstand pressures up to 6,000 psi over a temperature range from -76°F to 626°F (-60°C to 330°C). We currently manufacture diaphragms ranging in size from 0.1969" to 29.1339" (5 mm to 740 mm).


DiaCom is dedicated to providing diaphragm seals that enhance the performance and appeal of your product at a price point that helps you compete. Our engineering department stands ready to provide product design support that is both timely and comprehensive.

Principal Diaphragm Types

Molded Diaphragm Advantages:

  • Best No Leak Seal
  • No Lubrication
  • Low Friction
  • Low Hysteresis
  • No Spring Rate
  • No Break Away Friction
  • Long Cycle Life
  • Effective In Harsh Environments
  • Constant Effective Pressure Area
  • Low Assembly/Hardware Costs
  • Exceptional Sensitivity
  • Ability to Operate Under Severe Pressure





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