Primary circuit - Page 1
Stay up to date with the latest Primary circuit updates from the global nuclear engineering international industryLatest Primary circuit Update
French utility EDF has discovered a radioactive leak in the primary...
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Petrozavodskmash manufactures first MCP for unit 7 of Tianwan NPP
The Petrozavodsk branch of JSC AEM-Technologies (part of the mechanical engineering division of Rosatom – Atomenergomash) has manufactured the first pipe assembly of the main...
KSB wins coolant pump order from
UK-based pump manufacturer KSB Ltd has been awarded a INR5 billion ($63m) contract by Nuclear Power Corporation of India Ltd (NPCIL) for the supply of eight primary coolant pumps...
Spherical RCP housings installed at Kursk-II NPP unit 2
In the reactor building of unit 2 at Russia’s Kursk-II NPP, all four spherical casings of the main circulation pumps (MCPs) have now been installed, Rosatom’s engineering division...
Holtec announces a new district heating technology
Holtec International has announced the HI-HEAT District Heater System that would end reliance on burning gas to heat homes and businesses around the world, “especially the East...
Steam generator installed at Kursk-II NPP
The first steam generator was installed in the design position at unit 1 of Russia’s Kursk-II NPP on 25 May. Three more will be installed shortly. “The main work in the unit 1...
China completes testing of HTR-PM steam turbine
China Huaneng said on 16 August that testing of the steam turbine using non-nuclear steam had been completed at the demonstration high-temperature gas-cooled reactor plant (HTR-PM)...
Russia manufactures main circulating pump elbows for China’s Tianwan and Xudabao NPPs
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
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
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
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
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
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
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
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
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
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
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
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
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,...
