Marine-Grade Spray Nozzles & Tank Cleaning Solutions for the Shipbuilding Industry
High-performance spray nozzles, tank washing heads, and atomizers engineered for engine room maintenance, fire suppression systems, and component cooling. Built with corrosion-resistant materials (316L/Duplex) to withstand harsh saltwater environments and ensure IMO-compliant maritime safety.
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Overcoming Harsh Marine Challenges: Corrosion, Clogging, and System Reliability
Severe Saltwater Corrosion: Constant exposure to high-salinity spray and humidity leads to rapid degradation of standard nozzles, causing frequent replacements and downtime.
Nozzle Clogging in Critical Systems: Particulates in ballast water or heavy fuel residues often clog nozzles, compromising Exhaust Gas Cleaning Systems (EGCS) and cooling efficiency.
Strict Maritime Safety Standards: Inconsistent spray patterns in fire suppression or engine cooling can lead to catastrophic failures and non-compliance with IMO/SOLAS regulations.
High Maintenance Costs: Limited access to bilge areas and engine rooms makes nozzle maintenance difficult and expensive on large vessels.
Our Solution
Marine-Grade Material Selection: We utilize SS316L, Duplex Stainless Steel, and Titanium alloy to ensure maximum resistance to seawater corrosion and extended service life.
Clog-Resistant "Max Passage" Design: Our nozzles feature a wide free passage design, specifically engineered to handle solids in Marine Scrubbing and Ballast Water Treatment without clogging.
Precision Engineering for Safety: Every nozzle is tested for spray angle and flow rate consistency, ensuring reliable performance in Marine Fire Protection (Water Mist) and engine cooling.
Customized OEM/ODM Services: From flow rate adjustments to specialized mounting, we provide tailored fluid solutions for Tankers, Bulk Carriers, and Offshore Platforms.
Our Product Range
Narrow Angle Fan Spray Nozzle
Yuechen Precision CYCO narrow-angle fan spray nozzle offers high-impact, uniform flat fan spray (15°–50°, 3.9–79 L/min) for conveyor cleaning, stone washing, and industrial applications. Made with durable PVC, SS, or brass materials.
Wide Angle Fan Spray Nozzle
Yuechen Precision WC001 wide angle fan spray nozzle delivers uniform flood spray with 83–150° coverage and high flow up to 410 L/min. Ideal for cooling, cleaning, and fire protection.
Spiral Nozzles | Spiral Spray Nozzles
Yuechen Precision SPJT-SS-120 spiral nozzle (stainless steel) offers full/hollow cone patterns, 60°-170° spray angles, and flows of 5.5–4140 L/min at 0.7 bar. Ideal for gas cooling, scrubbing, and fire suppression.
Cleaning Equipment Parts Uniform Distribution 120 Degree Wide Angle Full Cone Nozzle
Yuechen Precision BB wide angle full cone nozzle offers uniform spray distribution with a 120° angle for washing, cooling, and dust control. Ideal for industrial cleaning applications.
CYCO stainless round BB 30 degree narrow angle full cone spray nozzle for Gas washing and cooling Metal treating
CYCO BB30° 30° narrow angle full cone spray nozzle in brass or 303SS. Ideal for gas washing, cooling, and metal treating with high impact and uniform distribution.
Max Passage Full Cone Spray Nozzle
CYCO DP Max Passage Full Cone Nozzle (Yuechen Precision) offers up to 8180 L/min flow rate, ideal for marine gas desulfurization. Features stainless steel/brass/plastic options, 60°–120° spray angles, and male/female connections.
Short Type Full Cone Spray Nozzle
Yuechen Precision BBS/BBW series short type full cone nozzle offers compact design, 110-120° spray angle, stainless steel/plastic materials, and high-flow capacity up to 1415 L/min for marine scrubbing.
Narrow-Angle Full Cone Nozzle
Yuechen Precision CYCO BB series narrow-angle full cone nozzles (e.g., BBG-15, BBG-30) offer 15° or 30° spray angles with uniform distribution, removable caps, and high impact efficiency for cleaning, cooling, and washing applications.
Wide Angle Square Full Cone Nozzle
Yuechen Precision 14WSQ wide-angle square full cone nozzle offers uniform spray distribution with 93°–115° spray angle and small-to-medium drops for effective dust control, cooling, and fire suppression.
Large Flow Carbide Silicone Hollow Cone Nozzle
LC-200 large flow carbide silicone hollow cone nozzle (70–90° spray angle) offers clog-resistant, uniform spraying for gas scrubbing & cooling. Available in 2–6 inch sizes. Yuechen Precision.
Engineered Specifications for Marine & Shipbuilding Applications
| Key Parameters | Technical Specifications | Marine Application Value |
| Operating Pressure | 2 - 300 bar (High-Pressure Options) | Supports everything from low-pressure tank washing to high-pressure water mist fire suppression systems. |
| Extreme Temp Tolerance | -30°C to 300°C | Engineered for both cryogenic storage cooling and high-temperature exhaust gas cooling. |
| Spray Patterns | Full/Hollow Cone, Flat Fan, Rotary Jet | Versatile patterns for uniform heat dissipation in engine rooms and high-impact hull cleaning. |
| Flow Capacity | 1 - 1000+ L/min (Customizable) | High-flow designs specifically optimized for Marine Scrubbers (EGCS) and ballast water treatment. |
| Inlet Connections | 1/8" - 4" (NPT/BSPT & Flanged) | Flexible mounting for standard vessel piping; Flanged connections available for heavy-duty marine intake. |
| Material Compatibility | 316L, Duplex Steel, Ti-Alloy, PVDF | Maximum resistance to saltwater corrosion and harsh chemical cleaning agents used in maritime maintenance. |
| Media Handling | Seawater, Fresh Water, Brine, Foam | Optimized internal passages to prevent clogging from sea salt crystals and particulates in brine. |
Advanced Marine-Grade Materials: Engineered for Corrosion Resistance & Longevity
Stainless Steel 316 / 316L
The Marine Industry Standard. Featuring a low-carbon, molybdenum-rich composition, our 316L nozzles provide superior resistance to pitting and crevice corrosion in high-salinity environments. It is the essential choice for marine fire suppression (water mist), engine cooling, and general deck washdown systems.
Duplex Stainless Steel (2205/2507)
Enhanced Strength for Offshore Conditions. With double the mechanical strength of standard stainless steel, Duplex alloys offer exceptional resistance to stress corrosion cracking and erosion-corrosion. Perfectly engineered for offshore drilling rigs, deep-sea vessels, and high-pressure ballast water systems where structural integrity is critical.
Marine Bronze & Brass
Natural Biofouling Resistance. A traditional favorite in shipbuilding for its excellent thermal conductivity and natural ability to inhibit marine growth. These alloys are highly reliable for seawater intake systems, low-pressure heat exchangers, and traditional vessel piping due to their long-term stability in submerged conditions.
Special Alloys (Titanium / Silicon Carbide)
Ultimate Protection for Scrubbers (EGCS). Designed for the most aggressive chemical environments. For Marine Exhaust Gas Cleaning Systems (Scrubbers) that deal with acidic fluids and high-temperature sulfur removal, these materials provide near-total immunity to chemical attack, ensuring 24/7 compliance with IMO emissions standards.
Frequently Asked Questions
Which nozzle materials are best for long-term seawater resistance?
For standard marine applications, Stainless Steel 316L is the preferred choice due to its high molybdenum content which prevents pitting corrosion. For more extreme environments, such as offshore platforms or chemical scrubbing, we recommend Duplex Steel (2205/2507) or Titanium alloys to ensure maximum reliability and structural integrity under high-salinity stress.
Are your fire suppression nozzles compliant with IMO and SOLAS standards?
Yes. Our spray nozzles are precision-engineered to meet the rigorous safety requirements of IMO (International Maritime Organization) and SOLAS. We ensure consistent droplet size and uniform spray distribution, which are critical for the effective performance of High-Pressure Water Mist and deluge fire protection systems onboard vessels.
How do you solve clogging issues in Marine Exhaust Gas Cleaning Systems (EGCS)?
We utilize a specialized "Max Passage" design in our full cone and spiral nozzles. This internal geometry allows large solid particles and sea salt crystals to pass through without obstructing the flow. This design is specifically optimized for Marine Scrubbers, ensuring continuous operation and reducing unplanned maintenance during long voyages.
Can you provide customized nozzle solutions for specific ship dimensions?
Absolutely. We offer full OEM/ODM services tailored to unique shipbuilding specifications. We can customize flow rates, spray angles, and connection types—including standard NPT/BSPT threads or custom Flanges—to ensure perfect integration with your vessel's existing piping and fluid control systems.
Looking for Custom Marine Solutions?
Beyond standard specifications, we provide OEM/ODM services for specialized shipbuilding projects. Whether you need a specific flow rate for an LNG carrier cooling system or specialized materials for offshore drilling rigs, our engineering team can provide a tailored fluid control solution.
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