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Atwood & Morrill® - Main Steam Isolation Valves

Atwood & Morrill® MSIVs provide quick shut off and tight closure in the event of a major piping break at a nuclear power plant. Proven design used in BWR and PWR nuclear plants. Tight shutoff valves for high pressure and high temperature during emergency and faulted conditions.

  • Atwood & Morrill Main Steam Isolation valve

Features / Benefits

  • Simple design with air/spring operator
  • Low pressure drop


Applications

Wye Globe or Parallel Slide Gate Valve types for Nuclear PWR & BWR Units

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