4. Valves and valve actuation
  5. With means to increase head and seat contact pressure
  6. Seat pressed to valve

John Beson

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Adjustable orifice plate seal

Pipes and tubular conduits – With flow regulators and/or baffles – Restrictors
Patent

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Control line exiting coupling

Wells – Above ground apparatus – Inner member anchor or seal with lateral port
Patent

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Dual seal ball valve

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

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Dual seal ball valve

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

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Dual seal valve

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-919878

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