Marine Cast Iron Hose Valve
Marine cast iron hose valves are usually connected to a fire hose and can be used for fire suppression operations in fire emergency situations. Marine cast iron hose valves are usually installed in an easily accessible location on board to ensure that they can be quickly opened and closed and water supplied in an emergency. They can also be used for other water supply tasks such as deck washing, ship maintenance, etc.
Overview
The Marine Cast Iron Hose Valve is a robust, economical valve designed primarily for freshwater service on ships and offshore installations. Constructed from high-grade gray cast iron and typically protected with a thick epoxy or other marine-grade coating, it provides a cost-effective solution for controlling water flow to hoses in non-seawater applications such as deck washing, freshwater tank filling, and bilge pump discharge where full corrosion resistance of bronze is not strictly necessary.
Application
Shipboard Freshwater Wash-Down Stations: For cleaning decks and equipment with fresh water.
Ballast Water Management Systems (Freshwater): On vessels operating in freshwater lakes or rivers.
Port & Dockyard Utility Stations: Shore-based freshwater supply points.
Industrial Plant Utility Water Lines: Where cost is a factor and medium is freshwater.
Note: For seawater firefighting, deck wash, or critical seawater systems, we recommend using our Bronze or Stainless Steel Hose Valves.
Material Considerations & Coatings
Advantages: High strength and durability; excellent wear resistance; cost-effective compared to bronze or stainless steel for large valves; good pressure retention.
Considerations & Protection: Bare cast iron is susceptible to rust in wet environments. Therefore, our marine valves are supplied with a high-build epoxy coating internally and externally, which provides a barrier against corrosion in freshwater and atmospheric exposure. They are not recommended for continuous seawater service unless specifically ordered with a superior coating system (e.g., hot-dip galvanizing).
Comparison with Bronze: Bronze valves offer superior inherent corrosion resistance, especially to seawater, and are the standard for most seawater applications. Cast iron valves are a budget-conscious choice for dedicated freshwater systems.
Image of Marine Cast Iron Hose Valve
