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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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