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Chinese pipelines select Rotork valve actuators for remote operated failsafe duty

Rotork Skilmatic electro-hydraulic valve actuators have been ordered for increased safety emergency shutdown duties on two new oil pipelines in China.

Owned by the China National Petroleum Corporation, the Mahui and Yunnan Pipelines are attached to the network bringing oil and gas to China from offshore fields in the Bay of Bengal.

The Skilmatic actuators will be installed in automated and unattended valve chambers at pump stations, where they will provide isolating and failsafe emergency shutdown (ESD) functions.

These valves, known as remote operated shut-off valves (ROSOV), are designed to isolate sections of the pipelines in the event of a potential emergency.

By providing accurate valve movement in one direction and reliable mechanical spring return movement in the failsafe direction, Rotork’s self-contained electro-hydraulic actuator design is successfully utilised for this type of critical application in many countries.

The Skilmatic actuator combines failsafe performance with the benefits of Rotork IQ intelligent electric actuation technologies, facilitating remote supervision with a high level of asset management encompassing control, monitoring and alarm signalling, operational data logging, and diagnostics.

The ESD function can be configured to operate on loss of mains power or control signal, with additional options including a second, independent ESD circuit or an ESD manual reset.