Marine & Offshore Resilient Lined Butterfly Valve (DIN/JIS Flanged, Viton)
Supreme Valves' Marine & Offshore Butterfly Valve is custom engineered for seawater ballast, hydrocarbons, mud discharge, and freshwater networks on shipping vessels, drilling rigs, and marine terminals. Fitted with DIN PN10 or JIS 10K flanges, a hardened-edge SS304/SS316 disc, and fire-safe Viton (FKM) or EPDM linings.
Key Applications
Industrial Applications & Engineering Problem Solving
The Engineering Challenge
Marine environments present a double threat: aggressive external salt-spray corrosion and high-velocity internal seawater erosion, combined with biological fouling. In addition, marine vessels transfer diverse media (seawater ballast, heavy fuel oils, drilling muds) that degrade standard elastomer seats, causing seat swelling and mechanical jamming.
The Supreme Valves Engineering Solution
This valve is equipped with JIS 10K / DIN PN10 compatible flanged ductile iron bodies, a polished SS304/SS316 disc with hardened outer edges, and media-specific resilient liners. We provide EPDM for high-salinity seawater ballast systems (resisting marine fouling) and specialized Viton (FKM) for high-temperature fuel oil manifolds, offering zero swelling and a fire-safe structure.
Operational Use Cases & Scenarios
Seawater Ballast Intake Isolation
Operational Challenge: Preventing valve seizure from sea-barnacle encrustation and salt corrosion in high-salinity ballast pump suction lines.
Engineering Benefit: Super-polished SS316 disc edges prevent biological adhesion, while high-salinity EPDM liner ensures tight shut-off.
Drilling Mud Manifold Discharge
Operational Challenge: Handling dense, highly abrasive drilling mud containing sand and rock fragments at low pressure.
Engineering Benefit: Hardened-edge disc design cuts through mud suspensions without eroding the seal envelope.
Technical Specifications
Material of Construction (MOC)
Purchase Options
Features & Benefits
DIN & JIS Flange Compatible
Drilled exactly to global maritime flange specs (DIN PN10/16 and JIS 10K) for easy installation on vessels.
High-Chemical Viton Seat
Viton (FKM) liner handles fuels, lube oils, base oils, and hydrocarbons without seat swelling or decay.
EPDM Ballast Liner
Dense EPDM seat designed for high-salinity seawater ballast circuits, resisting marine fouling.
Hardened Disc Edge
Hardened SS304/SS316 disc edges prevent abrasion from slurry-heavy mud discharge lines.
Frequently Asked Questions
Q Why is Viton lining chosen for fuel oil systems?
Viton (FKM) has outstanding resistance to petroleum products, base oils, and elevated temperatures, preventing seat swelling that would lock up the valve.
Q What is the pressure limit on these marine valves?
They are rated for working pressures up to 10 bar (PN10/JIS 10K) or 16 bar (PN16/JIS 16K), typical for cargo vessel ballast and transfer manifolds.
Q Are materials certified for marine class?
Yes, we provide standard material test certificates (EN 10204 3.1) and all materials are traceable to certified foundries.