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L&T builds key cryostat for world’s largest nuclear fusion reactor in France for $20 billion


Engineering and construction giant Larsen & Toubro on Tuesday said it has achieved a major milestone under ‘Make in India’ initiative by building a cryostat for USD 20 billion global fusion project.


The final assembly or top lid sectors of the cryostat, a key part of the world’s largest nuclear fusion reactor being built in France, were dispatched on Tuesday from the company’s Hazira manufacturing complex in Surat district in Gujarat.


Larsen & Toubro (L&T) in 2012 chosen by ITER-India to manufacture and install cryostat – a vacuum pressure vessel made of 3,850 tonnes of stainless steel.


L&T Group Chairman AM Naik termed it a “moment of pride for India and Larsen & Toubro”.

“The heavy engineering arm of L&T, India’s leading engineering, construction, technology, manufacturing and financial services conglomerate, has flagged-off the most complex and final assembly of cryostat, the largest stainless-steel, high-vacuum pressure chamber in the world.


“This is an important milestone in the global nuclear fusion arena as well as a moment of pride for the Make in India initiative,” the company said in a statement.


The cryostat assembly weighing 650 tonne is to be installed with other cryostat segments for ITER (International Thermonuclear Experimental Reactor) in a reactor pit in southern France.


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