4. Fluid handling
  5. Processes
  6. Cleaning, repairing, or assembling

Adolf K. Velan

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High pressure bonnetless valve

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

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Metal seated ball valves

Valves and valve actuation – With means to increase head and seat contact pressure – With positive reduction
Patent

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Method of making a diaphragm valve

Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent

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Seal-seat for use in ball valves

Valves and valve actuation – With means to increase head and seat contact pressure – Seat pressed to valve
Patent

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Profile ID: LFUS-PAI-P-845125

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