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Pneumatic Triple Eccentric Butterfly Valve
The triple eccentric butterfly valve features a sealing surface on the butterfly plate that is conically offset from the cylindrical axis of the body, with the valve stem’s eccentric axis position. This design fundamentally changes the sealing structure. It no longer relies on the elastic deformation of the valve seat for sealing but instead uses the contact surface pressure of the valve seat to achieve a reliable seal. This addresses the challenge of achieving zero leakage with metal valve seats, even in high-temperature environments.
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Electric Triple Eccentric Butterfly Valve
The triple eccentric butterfly valve features a sealing surface on the butterfly plate that is conically offset from the cylindrical axis of the body, with the valve stem’s eccentric axis position. This design fundamentally changes the sealing structure. It no longer relies on the elastic deformation of the valve seat for sealing but instead uses the contact surface pressure of the valve seat to achieve a reliable seal. This addresses the challenge of achieving zero leakage with metal valve seats, even in high-temperature environments.
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