| Triple-eccentricity Butterfly Valve | |
| MAIN FEATURES: | 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. |
| Body material: | carbon steel, stainless steel, alloy steel |
| Nominal diameter: | 2"～180"（DN50~DN4500） |
| Pressure range: | Class150～600（PN10~PN100） |
| End connection: | RF, RTJ |
| Operation : | wrench, worm gear, electric, etc. |
| 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 â…¥. | |
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