The CFM Steel Spring Isolator type UPM is a compact and cost-effective steel spring isolator. Depending on the size and model, the natural frequency ranges from 2.5 Hz to 4.0 Hz. The steel spring isolator type UPM can be operated in a load capacity range of up to 102 kN per isolator.

The body of the isolator is a steel weldment. Integrated level elements have an adjustment range from -5 to +50 mm (-0.19” to +1.9”). This type does not include damper elements.