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Fluid power valve actuators from Rotork have been installed throughout a liquefied natural gas importing and distribution project that is expected to meet 40 per cent of the demand for gas in Chile.

The liquefied natural gas (LNG) complex at Quintero Bay encompasses the installation of a sea terminal to receive LNG from tankers and a plant for regassifying and distribution by pipelines into central Chile.

Rotork Fluid Systems has received orders for heavy duty, scotch-yoke pneumatic, gas-over-oil and high-pressure gas actuators, which have been supplied to valve-makers in France, Italy and Spain.

The majority of the 87 CP and GP range pneumatic actuators supplied are operating cryogenic service ball and butterfly valves at the Quintero Bay marine terminal and the adjacent storage and regassification plant.

The GO range of gas-over-oil and HPG range of high-pressure gas actuators have been supplied for a 28km pipeline that links the Quintero LNG complex to the Electrogas terminal at Quillota for integration with the existing gas network and fuelling combined cycle power plants operated by Endesa Chile.

The GO unit is installed on a Class 600 24in ball valve at the City Gate in the Quintero LNG terminal, while the HPGs are installed on Class 600 8in and Class 300 12in ball valves at the Electrogas Plant Gate in Quillota.

Designed for safety and shutdown duties, GO and HPG actuators use the pipeline gas at the motive power source.

Valve operating speed is adjustable in both directions and manual hydraulic override is provided as standard.

All the Rotork actuators supplied are certified to Atex 94/9/EC and IP66M/67M in accordance with PED 93/27/EC.

The sales and engineering participation of Ineco, Rotork’s local representative in Chile, has been a key factor in the company’s success with this project.

Rotork’s activity was co-ordinated at Rotork’s US head office in Rochester and involved Rotork offices in France, Italy, Spain and the UK, where the engineering, procurement and construction contractor CB and I is headquartered.

Rotork Fluid Systems

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