4. Valves and valve actuation
  5. Rotary valves
  6. Seat or interface seal

John V. Ballun

Inventor

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Air/vacuum valve throttling apparatus

Fluid handling – Systems – With flow control means for branched passages
Patent

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Plug valve

Valves and valve actuation – Rotary valves – Seat or interface seal
Patent

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Plug valve and method of assembly

Fluid handling – Processes – Cleaning – repairing – or assembling
Patent

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Post assembly for a buried valve

Fluid handling – With indicator – register – recorder – alarm or inspection means – Position or extent of motion indicator
Patent

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Post assembly for buried valve having an above ground actuator

Fluid handling – With casing – support – protector or static constructional... – Static constructional installations
Patent

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Profile ID: LFUS-PAI-P-420878

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