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Do ball sector valves with double eccentricity allows process pressure to open the valve 1

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KevinNZ

Mechanical
Jun 12, 2003
844
Hi all

Do ball sector valves with double eccentricity (eccentric rotary plug control valve) allows process pressure to assist with opening the valve?

Seems to me the shaft offset puts a moment on the ball from the shut in pressure. None of the valve vendors sites I looked at mention this.

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