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Above DN1800 There Is No Standard Butterfly Valve — Three Boundaries And Six Failure Chains

API 609 stops at NPS 60, AWWA C504 at 72 in. What really governs a DN2000 butterfly valve: offsets, shaft deflection, velocity and six failure chains.

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October 20, 2026

Above DN1800 There Is No Standard Butterfly Valve — Three Boundaries And Six Failure Chains

API 609 stops at NPS 60, AWWA C504 at 72 in. What really governs a DN2000 butterfly valve: offsets, shaft deflection, velocity and six failure chains.

Manufacturer and supplier of industrial valves, including Floating Ball Valves, Trunnion Ball Valves, Flanged Gate Valves, Welded Gate Valves, High Pressure Gate Valves, Globe Valves, Swing Check Valves, Double Disc Wafer Check Valves, Y Strainers , etc. For more information, please send us your email .

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