A hydraulic spring return actuator, model HYC-500-240-SRC3XFQ L1=1025 (4M) with its HPU has just been completed by Paladon Systems. This actuator with relevant control systems will be installed for PC phase of optimum Shah Gas Expansion (OSGE) Project in the EPC works for early tie-ins, Shah Gas Main Plant. The actuator has a very complex control system to guarantee the best performance on field.