PMC Technology
Airpel Low-Friction Air Cylinder
Airpot

Airpel Low-Friction Air Cylinder

Graphite-piston glass cylinder eliminates stiction for precise force control

An ultra-low-friction pneumatic cylinder with a graphite piston precision-fitted in a borosilicate glass cylinder, leaving a ~0.0005-inch gap so the piston floats on air. The near-frictionless design eliminates stiction for precise, repeatable force control.

Specifications
Pressure range
Full vacuum to 100 psi (0.69 MPa)
Friction force
0.5%–1.5% of load
Materials
Borosilicate glass, graphite piston
Operating temperature
-55 °C to +150 °C