Types of Dashpots

ROTARY DASHPOTS

Kinetrol Rotary Dashpots

Kinetrol rotary dashpots are precision fluid damping devices that provide smooth resistance to shaft rotation, increasing with angular velocity. Two types of dashpots are available to suit a wide range of applications.

  • Vane Dashpots

Vane dashpots provide limited movement with a high damping rate, making them suitable for applications involving oscillating motion.

  • Continuous Rotation Dashpots

Continuous rotation dashpots offer unlimited movement with a lower damping rate.

Silicone Fluid (Polydimethyl Siloxane – DC200 or Equivalent)

Silicone fluid is used as the damping medium due to its stable viscosity characteristics. Dashpots are normally vacuum filled.

100% Rigorous Inspection

Kinetrol’s ISO 9001 certified quality program ensures every unit is produced to high standards. Each dashpot is tested to confirm it delivers the specified damping rate.

VANE DASHPOTS

The vane dashpot is a displacement-type damper. As the vane on the shaft rotates between the fixed vanes on the body, silicone fluid is transferred in a controlled manner from one side of the vane to the other. Damping can occur in both directions, or valves can be fitted to provide damping in only one direction. In the KD unit, shaft sealing is achieved using a cylindrical rubber seal bonded to both the shaft and the body for effective sealing. All other vane dashpot models use a lip seal.

Rotary Dampers Model-KD-Dashports

Angle of Rotation:

60° (model KD)
215° (model LA)
220° (model LE)
220° (model LX)
240° (model LB)

Maximum Torque:

28 Nm (model KD)
40 Nm (model LA)
160 Nm (model LB)
545 Nm (model LE)
640 Nm (model LX)
960 Nm (model LH)

Maximum Damping Rate:

450 Nm/rad/s (model KD)
300 Nm/rad/s (model LA)
400 Nm/rad/s (model LB)
12000 Nm/rad/s (model LE)
18000 Nm/rad/s (model LX)
18000 Nm/rad/s (model LH)

Adjustable versions are available

Contınuous Rotatıon Dashpots

Continuous rotation dashpots provide viscous damping by shearing thin layers of silicone fluid between concentric surfaces of a rotor and a fixed stator. Damping is normally bidirectional. The shaft is sealed with a lip seal. Damping can be adjusted by moving the stator relative to the rotor, thereby changing the effective thickness of the sheared fluid layer.

Kinetrol® Model S-CRD Dashpot Rotary Dampers

Unlimited Rotation

 

Maximum Torque:

0.4 Nm (model N-CRD)
1.5 Nm (model Q-CRD)
6 Nm (model X-CRD)
7 Nm (model S-CRD)
45 Nm (model T-CRD)

Effective Damping Rate:

up to 20 Nm/rad/s (T–CRD)

Adjustable versions are available