Valves control, isolate, and regulate the transfer of fuels, oils, and chemicals on ships. They ensure safe loading, unloading, and storage operations while preventing leaks, contamination, or backflow.

Fire-safe ball valves, typically made from 316 stainless steel, duplex, or super duplex, are designed with graphite seals that maintain shut-off capability in the event of fire, providing an extra layer of safety in hazardous cargo environments.

Aluminium bronze offers excellent resistance to seawater corrosion, erosion, and biofouling, making it ideal for large-diameter butterfly valves used in cargo transfer and cooling water circuits that support fuel systems.

PTFE-lined ball valves are used when transferring aggressive cargoes such as acids, chemicals, or highly corrosive fuels. The PTFE lining provides chemical resistance that stainless steel or bronze alone may not withstand.

Aluminium bronze check valves are suited for seawater cooling integration, while duplex stainless steel check valves are used in fuel and chemical lines to prevent reverse flow and protect pumps from damage.

Yes, particularly in large cargo handling pipelines. Duplex stainless steel gate valves provide robust isolation and secure shut-off where absolute separation of fuel or chemical flow is required.

Strainers remove particulates, scale, and impurities before fuels or chemicals reach pumps and meters. Duplex stainless steel strainers are often used due to their strength and seawater resistance.

They offer superior resistance to pitting, crevice corrosion, and stress cracking, especially in aggressive fuel, oil, and chemical environments where 316 stainless steel may not be sufficient.

Yes, many are fitted with pneumatic, electric, or hydraulic actuators to allow for remote operation, integration with cargo control systems, and emergency shut-down functionality.

Valves must comply with standards such as IMO SOLAS (Safety of Life at Sea) and MARPOL (Marine Pollution) conventions, as well as fire-safe certification standards (API 607/ISO 10497) for fuel handling.

Choosing unsuitable materials, such as standard carbon steel, can lead to corrosion, leakage, and valve failure when exposed to fuels, seawater, or chemicals — creating safety and environmental hazards.

Routine maintenance should include inspecting seals, checking for corrosion, and testing actuation systems. Fire-safe ball valves and butterfly valve seats may require replacement during scheduled servicing to ensure long-term reliability.