Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, DN50 to D600, NBR/EPDM/VITON, Certificates & Approvals: DNV-GL, Lloyds, DNV, ABS, BV, Standards: EN 593, API609
The Bronze Concentric Butterfly Valve Disc is a durable and corrosion-resistant flow-control component designed for concentric butterfly valves. Manufactured from high-quality bronze, the disc offers excellent resistance to corrosion, seawater, and marine environments, making it particularly suitable for marine and industrial fluid-control applications.
With precise machining and a smooth surface finish, the bronze disc helps ensure reliable valve operation, reduced flow resistance, and stable sealing performance when used with compatible resilient valve seats. Its excellent machinability and mechanical properties also make it suitable for long-term service in demanding operating conditions.
Key Features:
- High-quality bronze construction
- Excellent corrosion and seawater resistance
- Suitable for marine and offshore environments
- Good mechanical strength and durability
- Precision-machined for accurate dimensions
- Smooth surface for reliable valve operation
- Excellent compatibility with resilient valve seats
- Available in different bronze grades according to application requirements
Typical Materials:
C95400, C95800, C83600, C95200 and other bronze alloys can be supplied according to customer requirements and operating conditions.
Typical Applications:
Marine and shipbuilding systems, seawater cooling systems, ballast systems, firefighting systems, water treatment, industrial pipelines, offshore platforms, and general fluid-control systems.
The Bronze Concentric Butterfly Valve Disc can be manufactured in different sizes, material grades, shaft configurations, and surface finishes according to customer drawings, valve specifications, and application requirements.











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