Fire Hose Nozzles Suppliers

Fire hose nozzles are the hand-held discharge devices fitted to a ship’s fire hoses, used to direct and control the water stream from the fire main during emergency response and routine drills. In marine service, they are normally supplied as approved dual-purpose spray/jet nozzles with shutoff, so the crew can move quickly between a concentrated jet for reach and penetration and a spray pattern for cooling and protection. Because they are used under pressure and handled directly in demanding conditions, buyers usually pay close attention not only to approvals and connection type, but also to weight, grip, operating feel, and how smoothly the nozzle changes pattern in use.

Nozzle Types and Spray Patterns

Marine fire hose nozzles are most commonly supplied as dual-purpose, three-position units with solid jet, wide fog, and shut-off functions. This format gives the crew flexibility in different fire scenarios. The solid jet setting is used where reach and penetration matter most, especially on open deck areas and in machinery spaces. The fog or spray setting breaks water into fine droplets, which helps with cooling, shielding, and, in some cases, foam application.

Beyond the standard dual-purpose nozzle, shipboard firefighting may also involve smooth-bore, pistol-grip, monitor, and foam-compatible designs. Smooth-bore tips, which produce a fixed solid stream, are still used where maximum throw is required, particularly on larger monitors. Pistol-grip in-line models are valued for easier handling and one-handed control, while straight in-line designs are less common in normal shipboard hose arrangements and are seen more often on high-flow monitor systems.

There are also nozzles designed for fixed or semi-fixed firefighting positions. Portable monitors and deck-mounted nozzles may be installed on fixed bases or portable stands, and some are arranged with internal or remote-operated valves. In foam systems, branch pipes and foam-compatible nozzles may include separate inlets or built-in eductors to mix foam concentrate with water. Across all of these types, fire hose nozzles manufacturers adjust outlet geometry, internal flow path, and spray transition to balance reach, pattern quality, and water delivery.

Materials, Construction and Corrosion Resistance

Because marine nozzles are exposed to salt atmosphere, water, foam agents, and long periods in standby, material choice has a direct effect on service life. Brass and bronze remain among the most common body materials because they are proven, durable, and well suited to marine firefighting equipment. Stainless steel is often used for internal shafts, springs, and other components that must resist corrosion while maintaining reliable movement.

Lighter models may use high-grade aluminum alloys. These are usually anodized to improve seawater resistance and reduce surface deterioration over time. Some newer designs also include composite components, especially for handles and outer control parts, to reduce weight without giving up basic durability. Anti-corrosion protection may also include chrome plating, polymer coatings, or a mixed-material construction such as a bronze coupling with an aluminum-alloy body.

Heavier brass nozzles are often appreciated for their robustness, but they can become tiring to handle during extended drills or real firefighting. Lighter aluminum or composite-based designs are easier for crews to manage, especially where quick movement and repeated pattern changes are important. That is why buyers often compare not only corrosion resistance, but also the balance between strength, weight, and handling comfort.

Flow Rates and Pressure Ranges

Marine fire hose nozzles are rated by flow at a given operating pressure, and this is one of the most important points to check during selection. In general, common working pressures fall in the range of 10 to 16 bar, although actual performance always depends on the ship’s fire pump output, hose diameter, and the pressure losses across the system. Under SOLAS, the fire main and pumps must be able to maintain the required discharge pressure at the prescribed number of jets, so nozzle choice has to stay aligned with what the vessel can actually deliver in service.

Typical flow varies significantly by nozzle size and design. A smaller 1½-inch dual-purpose nozzle may deliver around 208 liters per minute at higher pressure, while a larger 2½-inch nozzle may operate in the range of 360 to 475 liters per minute at lower pressure levels. Some modern selectable-flow nozzles are designed to provide several discharge settings within one unit, which can be useful where crews may need to shift between lower-flow enclosed-space response and higher-flow deck firefighting. Throw distance also changes with both pressure and nozzle design.

Foam branch pipes and nozzles with eductors usually work at lower pressures, often around 5 to 7 bar, because the foam induction process depends on pressure balance through the nozzle. In practice, the available fire pump pressure and hose arrangement always set the real operating limit. For marine buyers, that means it is not enough to compare nominal flow alone. The more useful comparison is whether the nozzle can provide the required stream quality, reach, and control within the ship’s actual firefighting arrangement.

Certifications, Standards and Connection Compatibility

Marine fire hose nozzles are normally expected to carry the relevant SOLAS/MED approval, commonly shown through the wheelmark, and buyers also look for supporting class acceptance depending on vessel type and flag requirements. In addition to European marine approvals, some nozzles are also supplied with USCG approval for US-flag applications, while others may carry FM, UL, or NFPA-related testing references where broader firefighting performance standards are relevant.

Approval, however, is only part of the buying decision. Connection compatibility must also be checked carefully. Marine nozzles are supplied with different thread and coupling arrangements, including BSP, NH, John Morris-type threads, and quick-connect systems such as Storz.

This is especially important because SOLAS expects fire hoses, nozzles, and fittings to remain interchangeable within the ship’s arrangement. For that reason, buyers should confirm not only the certificates, but also the inlet connection, outlet size, shut-off configuration, and compatibility with the vessel’s standard hose couplings before ordering. Good marine fire hose nozzles suppliers are usually able to provide both the approval documents and the exact coupling details at the quotation stage, which saves time and avoids mistakes later.

Frequently Asked Questions (FAQs)

How do I choose the correct nozzle size and flow?

The right nozzle size depends on the ship’s fire pump capacity, hose arrangement, and the discharge you need at the point of use. Standard marine nozzle outlets are typically 12 mm, 16 mm, or 19 mm. Smaller nozzles are often suitable for general shipboard firefighting, while larger outlets are preferred where maximum water delivery is important. As a practical guide, nozzles in the 12 to 16 mm range often operate around 200 to 360 liters per minute, while larger nozzles can deliver more where the system can support it. The main point is to match the nozzle to the vessel’s real pump performance.

How do I make sure the nozzle will fit our hose connections?

Connection compatibility should always be checked before ordering. Marine fire hose nozzles are supplied with different inlet arrangements, including BSP threads, John Morris-type threads, and quick-connect systems such as Storz. Adaptors are available, but they should be selected carefully and approved for the intended use. Since shipboard firefighting equipment is expected to remain interchangeable within the vessel’s arrangement, buyers should confirm coupling type, thread standard, and any adaptor requirement at the quotation stage.

What certifications should a marine fire hose nozzle have?

Buyers normally expect the nozzle to be supplied with the relevant MED approval and supporting certificate documents. Depending on the vessel, flag, and operating area, buyers should also request class acceptance, UK-MER marking, or USCG approval. Some nozzles also carry additional performance-related approvals such as FM, UL, or NFPA testing references, which can be useful but do not replace the marine approvals required for shipboard service.

How often should marine nozzles be inspected or replaced?

Nozzles should be inspected regularly for corrosion, leakage, blockage, damaged seals, and smooth operation of the shut-off and pattern control. Although there is usually no fixed replacement interval for the nozzle itself, condition should be reviewed as part of the vessel’s firefighting equipment checks and hose testing routine. In practice, replacement is usually considered when the mechanism becomes stiff, sealing surfaces wear out, or corrosion begins to affect reliable use.

What spare parts should be kept on board?

It is good practice to keep a small set of essential nozzle spares available, especially for models used across the vessel. These may include O-rings, shut-off seals, valve components, and approved fittings or adaptors. The exact parts depend on the nozzle design, so buyers should confirm spare-part support with the supplier.

Effective firefighting on board depends on the ability to switch instantly from a high-impact jet to a protective spray. To help you source reliable, MED-approved equipment that integrates seamlessly with your ship's fire main, we have put together a comprehensive directory of leading marine fire hose nozzle suppliers.

The following list features manufacturers and distributors specializing in dual-purpose nozzles, ranging from traditional robust bronze units to lightweight, ergonomic composite designs.