IMPA: 331878

Sealing Cap with Chain for Firefighting and Deckwash Valves

This marine sealing cap with chain is an essential safety accessory for firefighting and deckwash valve outlets on ships. Designed to provide a watertight closure, it prevents debris, seawater, or foreign matter from entering the valve system, ensuring operational readiness at all times. The attached chain keeps the cap secure and readily accessible when the valve is in use, reducing the risk of misplacement on deck.

Manufactured from corrosion-resistant marine-grade materials, this cap is engineered to withstand harsh saltwater environments, UV exposure, and mechanical wear. The chain is securely welded to the cap and valve body, offering a permanent attachment solution that meets the demands of daily shipboard operations. Whether used on fire hydrant outlets, deckwash lines, or general service valves, this sealing cap ensures a secure, leak-free seal and extends the service life of your vessel's firefighting and washdown systems.

Key Features

Technical Specifications

SpecificationDetails
IMPA Code331878
MaterialMarine-grade brass
FinishPolished
Connection TypeThreaded (BSP / NPT available)
Available Sizes1", 2", 2.5", 3" (custom sizes on request)
Chain Length300 mm (12 in)
Working Pressure16 bar (max)
Operating Temperature-20°C to +80°C
ApplicationFirefighting and deckwash valve outlets

Frequently Asked Questions

What sizes are available for this sealing cap?

We offer this sealing cap in standard sizes from 1 inch to 3 inches, including 1", 2", 2.5", and 3" threaded connections. Custom sizes can be made to order for specific vessel requirements.

Is the cap suitable for use in saltwater environments?

Yes, the cap is made from marine-grade brass, which provides excellent resistance to corrosion and tarnishing in saltwater atmospheres. The polished finish helps maintain performance and appearance over time.

Can the chain be replaced if it breaks?

The chain is welded to both the cap and a mounting lug on the valve body. If it becomes damaged, it can be cut off and replaced with a similar stainless steel or brass chain, or we can supply a complete cap assembly.

Does this cap meet SOLAS requirements?

This sealing cap is designed for general marine safety applications and is suitable for use on firefighting and deckwash systems. It is made to robust standards, but you should verify with your vessel's classification society for specific SOLAS compliance.

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