4. Fluid handling
  5. Destructible or deformable element controlled
  6. Heat destructible or fusible

James F. Donnelly

Inventor

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Butterfly valve seat

Valves and valve actuation – Rotary valves – Butterfly
Patent

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Fire tested butterfly valve

Fluid handling – Destructible or deformable element controlled – Heat destructible or fusible
Patent

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Valve lock

Fluid handling – With lock or seal – Locks against rotary motion
Patent

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Profile ID: LFUS-PAI-P-1104047

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