Gear Operated Triple Eccentric Butterfly Valve – High Torque for Large Bore DN200+, Metal Seated, API 609

The umbrella gear butterfly valve is a core type of butterfly valve driven by the umbrella gear transmission mechanism. It utilizes the deceleration and force increasing characteristics of the umbrella gear (bevel gear) to amplify the operating torque and change the transmission direction, achieving precise opening and closing of the butterfly plate at 90 °. The core advantages are labor-saving operation, stable torque, reliable sealing, and adaptability to industrial pipelines with large diameters, medium and high pressures, and frequent operations. It is the preferred control equipment for large-diameter valves that balances cost-effectiveness and practicality.
Size Range: 2” ~ 24”
Pressure Range: 150lb ~ 300lb
Materials：WCB 、WC6 、WC9 、CF8、 CF8M、 CF3、 CF3M 、CN7M、LC1LC2、LC3、LCB、LCC、Monel、20# Alloys、4A、5A、C95800、C95500, ect.
Face to Face Dimensions: ANSI B16.10
Flange end Dimension :ANSI B16.5
Butt Welded Dimensions：ANSI B16.25
Design and Manufacture：API 609
Pressure Test：API598
Materials：WCB 、WC6 、WC9 、CF8、 CF8M、 CF3、 CF3M 、CN7M、LC1LC2、LC3、LCB、LCC、Monel、20# Alloys、4A、5A、C95800、C95500, ect.