Triple Eccentric Butterfly Valve

Triple Eccentric Butterfly Valve


For the structure of the triple-eccentricity seal butterfly valve, when the valve is under the complete open state, its butterfly plate sealing face will break away from the valve seat sealing face completely; when it is opened from 0 to 90°, the butterfly plate sealing face will break away from the valve seat sealing face upon opening; when it is closed from 90° to 0°, and only upon closing, the butterfly plate sealing face can contact and press onto the valve seat sealing face tightly.






Design Features


Design standard as per: API 609, ASME B16.34, GB/T12238, JB/T 8527.


Small installation space, light weight, and maintenance friendly;


Good sealing effect and long service life;


Simple structure and small opening/closing torque;


Good flow adjusting ability, high precision of flow characteristic curve and good dynamic adjustment stability;


For soft seat the leakage rate: ANSI B 16.104 Ⅵ.


Product Range


Body material: carbon steel, stainless steel, alloy steel


Nominal diameter: 2"~180"(DN50~DN4500)


Pressure range:Class150~600(PN10~PN100)


End connection: RF, RTJ


Working temperature:-46℃~+200℃


Operation : wrench, worm gear, electric, etc.

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Product Categories : Butterfly Valve > Series MB Butterfly Valve