4. Valves and valve actuation
  5. Reciprocating valve
  6. Gate

David L. Gambetta

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Gate valve sleeve

Valves and valve actuation – Reciprocating valve – Gate
Patent

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Gate valve with improved seal unit

Valves and valve actuation – Reciprocating valve – Gate
Patent

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Knife gate valve with mechanically retained gate seat

Valves and valve actuation – Reciprocating valve – Gate
Patent

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Split knife gate valve having a uniformly compressed and constra

Valves and valve actuation – Reciprocating valve – Gate
Patent

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Valve assembly having a reinforced valve seat

Valves and valve actuation – Reciprocating valve – Gate
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1119613

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