Working principle of the VE Dual Expanding Plug Valve
Valve is openWhen the valve is fully open, both seals are protected from the flow path |
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Valve is closingplug is rotatingValve plug and slips rotate to place seals in closing position, during rotation there is no contact between the body and seals. |
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Valve is almost closedexpansion of the slipsOnce the plug has rotated 90°, the slips expand onto the body seats without causing any wear or abrasion to the seals. |
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Valve is closedDouble Block & BleedThe elastomer seals are fully compressed. |