IMPA: 754251

Ductile Cast Iron Storm Valve – Angle Type with Handle

Marine overboard discharge valves require rugged construction to withstand harsh seawater environments. This ductile cast iron storm valve features an angle-type body that reduces pipe stress and facilitates smooth flow direction change. Equipped with a manual handle for quick operation, the valve provides reliable sealing and easy maintenance, making it a preferred choice for ship plumbing systems.

Designed to meet international marine quality standards, this IMPA 754251 storm valve is manufactured from high-grade ductile cast iron with a protective coating for superior corrosion resistance. The angle pattern minimizes turbulence and pressure drop, while the durable disc and seat ensure dependable shut-off performance even after prolonged service.

Ideal for use in ballast lines, bilge systems, cooling water overboard discharges, and similar marine applications, this storm valve offers both strength and longevity. Available in various sizes and end connections to suit your vessel's piping requirements.

Key Features

Technical Specifications

MaterialDuctile Cast Iron (DI)
TypeAngle Type Storm Valve
Size RangeDN50 – DN300 (2" – 12")
Pressure RatingPN10 / PN16
ConnectionFlanged, Threaded (available)
OperationManual Hand Lever
Disc SeatReplaceable
CoatingMarine-grade Epoxy Paint
Applicable MediaSeawater, Fresh Water, Ballast

Frequently Asked Questions

What is a storm valve used for?

A storm valve is a non-return valve typically installed on overboard discharge lines to prevent seawater from flowing back into the ship's interior during rough weather or when the vessel is listing.

Is ductile cast iron suitable for seawater service?

Yes, ductile cast iron offers good corrosion resistance when properly coated with marine-grade epoxy or similar protection. The coating ensures durability in seawater and other harsh marine environments.

What sizes are available?

This angle storm valve is available from DN50 to DN300 (2 to 12 inches) and can be supplied with flanged or threaded end connections depending on your piping system.

Can this valve be manually operated?

Yes, this storm valve is equipped with a manual handle for quick and direct operation, allowing crew members to open or close the valve easily when needed.

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