Turcon® Variseal® CM is a spring-energized, single-acting rotary seal featuring a Turcon® PTFE-based jacket and an internal Slantcoil® spring, housed in a metal casing with an anti-rotation O-Ring. Designed for semiconductor, vacuum, and high-performance rotary shaft applications. By combining spring-energized PTFE sealing with metal housing stability and controlled torque, the Variseal® CM excels in applications demanding high-speed reliability, precise rotation control, and excellent media resistance.