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Air-Spring Operated Steam Generator Blowdown Isolation Valve

Air-operated valves deliver superior performance and safety over solenoid versions.

Continuous blowdown is essential in steam generation to prevent a damaging build-up of impurities in the flow of steam, which could result in process failures. Air-operated valves provide superior performance and safety over solenoid valves in these conditions, due to large flow passages and adequate clearances.

  • Flow to close
  • Drilled hole cage trim with a low-pressure drop (2 psi at max flow condition)
  • MSS-SP-61 shut-off class for the pressure of 1035 psid, flow to close direction
  • FCI shut-off class IV, flow to open direction
  • Fully IEEE (323, 344, and 382) qualified actuator and control accessories
  • 5g acceleration seismic design
  • Complies with ASME Section III, Safety Class 2, Seismic Category I – Active

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