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Latest Primary circuit Update

China completes testing of HTR-PM steam turbine
18 August, 2021
China Huaneng said on 16 August that testing of the steam turbine...
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Russia manufactures main circulating pump elbows for China’s Tianwan and Xudabao NPPs
Wednesday, August 11, 2021 by The Volgodonsk branch of Russia’s AEM-technology Atommash (part of Rosatom’s mechanical engineering division Atomenergomash) said on 6 August that it had manufactured a set of elbows...

Petrozavodskmash begins manufacture of MCP pipes for Kudankulam 5
Tuesday, July 06, 2021 by The Petrozavodsk branch of Rusia’s AEM-Technologies (part of Rosatom’s mechanical engineering Atomenergomash) has started manufacturing pipes for the main circulation pipeline (MCP)...

3D-printed valve body tested at Olkiluoto NPP
Thursday, May 06, 2021 by Finland’s Teollisuuden Voima Oyj (TVO) and Fortum are jointly testing the first valve with a 3D printed valve body at the Olkiluoto NPP, TVO said on 5 May. The valve housing was...

Pumps supplied to Rooppur NPP
Tuesday, May 04, 2021 by Russia’s Hydromashservice (part of the HMS Group), under an agreement with the Central Design Bureau of Mechanical Engineering (part of Rosatom), said on 30 April that it had supplied...

Terrestrial Energy awards pump contract to KSB
Monday, March 22, 2021 by Canada-based Terrestrial Energy said on 17 March that it has awarded Germany’s KSB Pumps a supply contract to develop and manufacture primary pumps for use in the Integral Molten...

French regulator finds design deviation of three main primary circuit nozzles at Flamanville 3
Thursday, March 18, 2021 by France’s Autorité de Sûreté Nucléaire (ASN - Nuclear Safety Authority) said on 16 March that EDF notified it of a significant event relating to a design deviation concerning three taps...

Hot testing completed at Mohovce 3
Thursday, April 18, 2019 by Hot hydrostatic testing has been successfully completed at unit 3 of the Mochovce NPP in Slovakia, power company Slovenske Elektrarne (SE) announced on 16 April. SE said the new...

Design documentation for Brest reactor steam generators
Tuesday, July 12, 2016 by Russian machine engineering works ZiO-Podolsk will develop the design documentation for the engineering design of the steam generator for the BREST-OD-300 reactor and its...

French regulator investigating components in 18 reactors
Wednesday, June 29, 2016 by French utility EDF has informed the nuclear safety authority Autorité de Sûreté Nucléaire (ASN) that some primary bottom heads of steam generators installed at 18 of EDF’s 58 reactors...

Westinghouse equipment for Olkiluoto
Friday, May 20, 2016 by Westinghouse said on 17 May that it will deliver new feedwater spargers under contracts signed with Olkiluoto's owner and operator Teollisuuden Voima Oy (TVO). The scope of the...

Technology firsts for China’s Harbin Electric Corporation
Wednesday, April 06, 2016 by China’s first 300MWe nuclear reactor cooling pump, developed by Harbin Electric Corporation is ready for mass production after being approved by the China Machinery Industry...

Frazer-Nash to design new Bradwell duct supports
Tuesday, October 21, 2014 by Engineering consultancy Frazer-Nash has been appointed by Magnox to perform concept and detailed design of new structural steel supports for the reactor gas ducts at Bradwell...

Design issues resolved for China AP1000s
Friday, September 19, 2014 by First-of-a-kind engineering issues related to the reactor coolant pumps and squib valves for the Chinese AP1000 have been resolved, according to Westinghouse president and CEO,...

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