Marine Double Eccentric Butterfly Valve Flange Type
Marine Double Eccentric Butterfly Valve Flange Type is designed for reliable flow isolation and regulation in marine piping systems. The double eccentric disc design minimizes seat wear, reduces operating torque, and extends service life, making it ideal for frequent operation. With flanged connections for secure installation, this valve is widely used in seawater, ballast water, cooling water, fire protection, and other shipboard piping systems. Available in various materials and marine class approvals, it provides dependable performance for commercial vessels, offshore platforms, and marine engineering projects.
Body Material
QT450 / Stainless Steel / WCB Cast Steel / Aluminum Alloy
Size Range
DN80 ~ DN500
Marine Class Approvals
CCS, ABS, DNV, LR, TÜV are available upon request.
Product Features
- Double eccentric design reduces seat friction and prolongs service life.
- Low operating torque ensures smooth opening and closing.
- Flanged connection provides secure installation and excellent sealing performance.
- Suitable for on-off and throttling applications in marine piping systems.
- Available in ductile iron, cast steel, stainless steel, and other marine-grade materials.
- Compatible with manual, gearbox, pneumatic, and electric actuators.
- Designed for seawater, ballast water, cooling water, fire protection, and general marine services.



