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

Patricio D. Alvarez

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active

Expanding gate valve

Active solid-state devices (e.g. – transistors – solid-state diode – Regenerative type switching device – Having at least four external electrodes
Patent

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Expanding gate valve with position responsive interlock

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

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Gate valve with position responsive interlock

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

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Metal gate valve seat having a flexible front lip face seal

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

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Metallic seat construction for valves

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

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Profile ID: LFUS-PAI-P-700816

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