Calandria for 700MW PHWR
Calandria for 700MW PHWR-1
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Calandria for 700MW PHWR

  • Calandria is the horizontal axis cylindrical vessel at the core of reactor assembly with two end shields at both ends.
  • The overall size 8282 x 5282 having shell of dia. 7864 & wall thickness of 32 mm of S.S. 304L.
group_work Challenges
    • Fabrication of shell in 3 sectors maintaining dimensional stability.
    • Welding of all cirseam, long seams maintaining dimensional stability.
    • Welding, Distortion control & sequencing of 122 nozzles on the shell.
    • Cautious Customer since it’s a first time development order with GPE.
    • 100 % RT of all weld joints.
    • Alignment of small shell & main shell vertical axis within 1 mm.
    • Handling of Calandria shell.
    • Transportation of Calandria to RAPP site
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Industrial Excellence Award Icon
INS Industrial Excellence award

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Awards for TPM, Workman hsips and Kaizen

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Quality Management

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Assembly

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Design / Product Development

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Destructive Testing Facility

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Electrical

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Fabrication

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