4. Fluid handling
  5. Ambient condition change responsive
  6. Underwater

David G. Holliday

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Gate valve having fail safe actuator

Fluid handling – Ambient condition change responsive – Underwater
Patent

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Valve stem flex lip backseat

Valves and valve actuation – Reciprocating valve – Actuator controlled stem seal
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Profile ID: LFUS-PAI-P-347303

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