Triple Eccentric Flange Butterfly Valve
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The triple eccentric flange butterfly valve has three eccentricities. The first eccentric shaft deviates from the center line of the sealing surface, the second eccentric shaft deviates from the center line of the pipeline and the valve, and the third is the angle between the unique eccentric valve seat and the center of the pipeline. In this way, the valve seat and the sealing ring are completely separated during the entire switching process.
Main Features
Key Features | Anti-blow-out stem design – safe & reliable. Stem position indicator + top mounting flange for easy position feedback. |
Connection Ends | Flanged (FLG) |
Operation | Lever, Gear, Electric, Pneumatic, etc. |
Main Materials | WCB, 304, 316, CF8, CF8M, 2205, Alloy 20, … |
Sealing Materials | Soft seat (EPDM, NBR, PTFE, …) or Metal-to-Metal |
Applications | Solvents, acids, water, natural gas and other severe / demanding services |
Design & Manufacture | API 609 |
Face-to-Face | API 609 / ASME B16.10 |
1. Excellent sealing performance;
2. Reduced wear and extended service life;
3. Low fluid resistance;
4. High operational flexibility;
5. Wide range of applications;
6. Quick opening and closing.
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