RH is a rack and pinion hydraulic actuator for heavy-duty and extreme-duty valves. The heavy-duty type is double-acting or spring-return, and the extreme-duty type is double-acting with very high torque.
| Torque Output (Heavy Duty) | Up to 3,700 Nm (2,730 lbf.ft) |
| Torque Output (Extreme Duty) | Up to 700,000 Nm (516,293 lbf.ft), up to 5,650,000 Nm (4,167,220 lbf.ft) on request |
| Actuation | Heavy duty: double-acting and spring-return / extreme duty: double-acting |
| Mounting Standard | ISO 5211 (heavy duty also DIN 3337) |
| Certification | IP 66M/67M, ATEX 2014/34/EU, SIL3 (IEC 61508, single device, heavy duty) |