Fisher Valves Purchased for China Nuclear Plants

Thursday, February 24, 2011 @ 04:02 PM gHale


Emerson Process Management won a multi-million dollar purchase order from State Nuclear Power Engineering Corporation (SNPEC) to supply Fisher control valves for the Westinghouse AP1000 pressurized water reactors at the Sanmen 2 and Haiyang 2 nuclear power plants in China.

The order includes valves for two applications at each plant: A start-up or bypass valve and the main feedwater valve.

The bypass valve is a specially-designed six-inch valve with a seismically qualified actuator and special trim to ensure a smooth transition with the main regulation valve.

The main feedwater valve is a 20- by 16-inch valve with specially characterized trim and actuation to ensure rapid but stable response. The actuators for both valves have been sized using EPRI guidelines to meet industry standards.



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