Product Categories

Dashpots and Shock Absorbers

damping and shock absorptionAirpot’s pneumatic damping products are specifically designed to provide unparalleled damping and energy dissipation accuracy by eliminating friction from their working elements. The materials used have built-in lubricity, high strength-to-weight ratio, excellent stability under temperature/humidity extremes, close coefficients of thermal expansion, and non-deteriorating performance due to age or non-use. The basic parts are a graphitized carbon piston, precision ground to millionths of an inch TIR inside an annealed, borosilicate glass cylinder with a precision fire-polished bore.

The Airpot Dashpot and Airpot Snubber cover a wide range of applications in which accurate control of motion, force and impact is required. The devices accomplish this by using the piston to force ambient air through an orifice at a controlled rate to dissipate kinetic energy. They prevent damage and violent or inaccurate response caused by shock and vibration in sensitive equipment and components, reduce impact noise and wear, provide simple, low cost, adjustable speed control without external power and allow non-electrical timing capability.

What are the differences and how do they provide accurate pneumatic control of force and motion?


  • More easily customized
  • One or two way damping (push and pull)
  • Connected throughout the stroke to the damped mass
  • Primary function is accurate force control and vibration damping

Snubbers: (pneumatic shock absorbers):

  • Not connected to the mass being damped
  • Used in accurate end of stroke and shock absorbtion applications
  • Primary function is energy dissipation
  • One way only, (damping in compression)
  • Low force return spring for self resetting

Airpot Precision Dashpots

When there is the need to reduce or eliminate harmful or excessive motion, Airpot dashpots offer highly accurate motion control, including vibration damping, spring damping,…

Snubbers (Pneumatic Shock Absorbers)

When controlled deceleration is required at the end of the stroke of your mechanism, the Airpot snubber configuration is particularly useful. It performs push damping…

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