The term Ratio-Clamp® clamping unit equipment refers to the features of the locking unit and is categorized by release pressure, sealing system, and certification.
Overview of equipment clamping unit Ratio-Clamp®
| Characteristic | Design |
| Release pressure | Basic design |
| Reduced design | |
| Sealing system | Servocop®: compact seal, lip seal, wiper ring |
| Pressure piston seal, lip seal, wiper ring | |
| Certification | TÜV type test |
| DGUV Test certification |