Industrial spray nozzles are used across a wide range of applications, from dust suppression and fume scrubbing to clean-in-place systems and fire protection.
With over 60 years of application experience, DELAVAN® nozzles are specified across mining, food processing, chemical manufacturing, power generation, and many other industries.
Use the index below to find the right application for your requirements and view the suggested nozzles for each.
Air Drying
Air drying systems use compressed air nozzles to remove water or moisture from components, sheets, and conveyor-borne products after washing or rinsing stages.
Flat spray nozzles delivering a focused air curtain are the most common choice, providing efficient moisture removal without direct contact.
Typical applications include post-wash drying in bottling, food processing, metal finishing, and pharmaceutical production lines.
Belt Cooling
Belt cooling systems use water spray nozzles to reduce the surface temperature of conveyor belts and rubber processing equipment during continuous operation.
Flat spray and solid cone nozzles provide uniform water coverage across the belt surface, preventing overheating and material degradation.
Typical applications include rubber processing lines and conveyor systems in heavy industry where belt temperature control is critical.
Centrifuge Cake Washing
Centrifuge cake washing systems use flat spray nozzles to apply wash liquor evenly across filter cakes during centrifuge operation.
Flat spray nozzles provide precise, controlled coverage to displace impurities and improve product purity without disturbing the cake structure.
Typical applications include pharmaceutical production, chemical processing, and mineral extraction.
Clean In Place
Clean-in-place systems use spray nozzles to deliver cleaning and sterilising solutions directly inside vessels, tanks, and pipework without dismantling equipment.
Hollow cone and solid cone nozzles are the most common choice, providing thorough internal coverage to remove product residues and maintain hygiene standards.
Typical applications include brewing, food processing, pharmaceutical production, and chemical manufacturing where regular vessel cleaning is required.
Coating Applications
Coating applications use spray nozzles to apply a uniform layer of liquid coating material onto products as they pass through the spray zone.
Solid cone and flat spray nozzles are the most common choice, providing even coverage and controlled droplet size to ensure consistent coat thickness.
Typical applications include food processing, pharmaceutical tablet coating, and industrial surface treatment operations.
Coke Quenching
Coke quenching systems use spray nozzles to rapidly cool hot coke with large volumes of water immediately after discharge from the oven.
Hollow cone and solid cone nozzles are the most common choice, providing high flow rates and wide coverage to achieve rapid and uniform temperature reduction.
Typical applications include coke ovens, steel production facilities, and petrochemical plants where controlled quenching is essential to product quality.
Component Washing
Component washing systems use spray nozzles to clean parts and assemblies by directing pressurised water or cleaning solution across all surfaces.
Flat spray and hollow cone nozzles are the most common choice, providing thorough coverage and impingement to remove oils, swarf, and process residues.
Typical applications include automotive, metal finishing, food processing, and pharmaceutical manufacturing where consistent component cleanliness is required.
Continuous Casting Cooling
Continuous casting cooling systems use spray nozzles to apply controlled volumes of water to solidifying metal as it passes through the casting machine.
Flat spray and solid cone nozzles are the most common choice, providing uniform cooling across the strand surface to control solidification rate and prevent surface defects.
Typical applications include steel and aluminium continuous casting operations where precise temperature control is critical to product quality.
Cooling Mill Rolls
Cooling mill roll systems use spray nozzles to apply water directly onto roll surfaces to dissipate heat generated during the rolling process.
Flat spray nozzles are the most common choice, providing uniform coverage across the full roll width to maintain consistent roll temperature and prevent thermal distortion.
Typical applications include steel and aluminium rolling mills where roll temperature control is critical to surface finish and dimensional accuracy.
Cutter Cooling
Cutter cooling systems use spray nozzles to apply coolant directly onto cutting tools and workpieces during machining operations.
Flat spray and hollow cone nozzles are the most common choice, providing targeted coolant delivery to reduce heat, extend tool life, and improve cut quality.
Typical applications include mining, mineral extraction, and mechanical engineering operations where continuous cutting generates significant heat.
Decorative Water Features
Decorative water features use spray nozzles to create controlled and visually appealing water displays in public and commercial environments.
Flat spray, hollow cone, and solid cone nozzles are the most common choice, providing a variety of spray patterns and flow rates to achieve different visual effects.
Typical applications include fountains, water gardens, and architectural water features in civic, hospitality, and landscaping projects.
Dust Suppression
Dust suppression systems use spray nozzles to apply fine water droplets onto dust-generating materials and surfaces to capture airborne particles and prevent their dispersal.
Hollow cone and solid cone nozzles are the most common choice, providing wide coverage and fine atomisation to maximise contact between water droplets and dust particles.
Typical applications include mineral extraction, transfer points, road surfaces, and civil engineering sites where dust control is required for safety and environmental compliance.
Edge Trimming
Edge trimming systems use flat spray nozzles to deliver a precise, high-pressure water jet to cut or trim material edges during continuous processing.
Flat spray nozzles operating at zero degrees are the most common choice, providing a concentrated cutting action with minimal spread across the material surface.
Typical applications include paper making, where clean and accurate edge trimming is required during high-speed web processing.
Effluent Treatment
Effluent treatment systems use spray nozzles to distribute liquid effluent across treatment ponds or aeration surfaces to accelerate the breakdown of waste materials.
Hollow cone and solid cone nozzles are the most common choice, providing wide, even distribution and increased surface contact to promote aeration and biological treatment.
Typical applications include industrial wastewater management, chemical processing, and environmental compliance operations where controlled effluent dispersal is required.
Etch and Wash Chemical Spraying – Electronics
Etch and wash systems use spray nozzles to apply chemical solutions precisely onto circuit boards and electronic components during the etching and cleaning process.
Flat spray and hollow cone nozzles are the most common choice, providing uniform chemical coverage and consistent contact time to ensure accurate etching and thorough rinsing.
Typical applications include printed circuit board manufacture, film processing, and electronics production where precise chemical application is critical to product quality.
Fire Protection
Fire protection systems use spray nozzles to deliver water rapidly and uniformly across the protected area in the event of a fire.
Flat spray and solid cone nozzles are the most common choice, providing wide coverage and high flow rates to suppress fire, cool surfaces, and protect surrounding structures.
Typical applications include storage tank protection, transformer fire suppression, and industrial facilities where fire risk requires a reliable and rapid response.
Foam Breaking
Foam breaking systems use spray nozzles to direct a controlled spray onto foam surfaces to collapse bubbles and reduce foam build-up in tanks and vessels.
Flat spray and hollow cone nozzles are the most common choice, providing targeted coverage across the foam surface to achieve rapid and effective foam suppression.
Typical applications include brewing, bottling, chemical processing, and food production where excess foam interferes with process efficiency and vessel capacity.
Fume Scrubbing
Fume scrubbing systems use spray nozzles to introduce fine water droplets into a gas stream to capture and neutralise airborne contaminants before discharge.
Hollow cone and solid cone nozzles are the most common choice, providing maximum droplet surface area and thorough gas contact to achieve effective fume absorption.
Typical applications include chemical and petrochemical manufacturing, pharmaceutical production, and industrial processes where harmful or odorous fumes require treatment before release to atmosphere.
Furnace Temperature Control
Furnace temperature control systems use spray nozzles to introduce controlled volumes of water or coolant into furnace zones to regulate internal temperature during operation.
Hollow cone and solid cone nozzles are the most common choice, providing fine atomisation and rapid evaporation to achieve precise and responsive temperature control.
Typical applications include steel and metal processing furnaces, cement kilns, and industrial heating operations where consistent temperature management is critical to product quality.
Gas Cooling/Conditioning
Gas cooling and conditioning systems use spray nozzles to introduce finely atomised water into a gas stream to reduce temperature and control humidity before further processing.
Hollow cone nozzles are the most common choice, providing fine droplet sizes and rapid evaporation to achieve efficient and uniform gas cooling without wet deposits.
Typical applications include waste incineration, cement production, and industrial gas treatment processes where precise temperature and moisture control is required prior to filtration or discharge.
Gas Scrubbing
Gas scrubbing systems use spray nozzles to introduce water or chemical solution into a gas stream to remove particulates, soluble gases, and contaminants before discharge.
Hollow cone and solid cone nozzles are the most common choice, providing maximum droplet surface area and thorough gas contact to achieve effective pollutant removal.
Typical applications include power generation, chemical manufacturing, and industrial combustion processes where exhaust gases require treatment to meet environmental and regulatory standards.
Gravel/Coal Washing
Gravel and coal washing systems use spray nozzles to apply high volumes of water onto raw material to remove clay, fine particles, and impurities during processing.
Flat spray, hollow cone, and solid cone nozzles are the most common choice, providing thorough coverage and sufficient impingement to achieve effective separation and cleaning.
Typical applications include mineral extraction, quarrying, and coal preparation plants where consistent material cleanliness is required prior to further processing or dispatch.
Humidification
Humidification systems use spray nozzles to introduce fine water droplets into the air or process environment to raise and maintain the required moisture level.
Hollow cone and solid cone nozzles are the most common choice, providing fine atomisation and rapid evaporation to achieve uniform humidity distribution without wetting surfaces.
Typical applications include food processing, textile manufacturing, pharmaceutical production, and HVAC systems where precise humidity control is critical to product quality and process stability.
Leak Testing
Leak testing systems use spray nozzles to apply water or test solution evenly across components and assemblies to detect faults, joins, and imperfections under pressure.
Solid cone nozzles are the most common choice, providing uniform coverage across the test surface to ensure consistent wetting and reliable fault detection.
Typical applications include automotive manufacturing, pressure vessel inspection, and general engineering where component integrity must be verified prior to assembly or dispatch.
Liquid Agitation
Liquid agitation systems use spray nozzles to direct pressurised liquid into tanks and vessels to promote mixing, prevent settlement, and maintain a uniform solution.
Flat spray nozzles are the most common choice, providing directed flow and sufficient turbulence to achieve thorough agitation without the need for mechanical mixing equipment.
Typical applications include electroplating, chemical processing, and industrial tank operations where consistent liquid composition and temperature uniformity are required.
Livestock Cooling
Livestock cooling systems use spray nozzles to apply a fine water mist directly onto animals to reduce body temperature during periods of high ambient heat.
Hollow cone and solid cone nozzles are the most common choice, providing fine droplet sizes and wide coverage to achieve effective evaporative cooling without excessive wetting.
Typical applications include agricultural holdings, feedlots, and livestock transport facilities where heat stress management is essential to animal welfare and productivity.
Mould Coating
Mould coating systems use spray nozzles to apply a uniform layer of release agent or coating material onto mould surfaces prior to casting or forming operations.
Flat spray and solid cone nozzles are the most common choice, providing even coverage and controlled application to ensure consistent release and surface finish on the finished part.
Typical applications include rubber processing, plastics manufacturing, and metal casting operations where reliable mould release and surface quality are required.
Odour Control
Odour control systems use spray nozzles to disperse fine droplets of water or chemical neutraliser into the air to capture and suppress malodorous compounds at source.
Hollow cone and solid cone nozzles are the most common choice, providing fine atomisation and wide coverage to maximise contact between the neutralising agent and airborne odour particles.
Typical applications include waste management facilities, sewage treatment plants, food processing sites, and industrial operations where odour emissions require control for environmental and regulatory compliance.
Oil Burning
Oil burning systems use spray nozzles to atomise fuel oil into fine droplets for efficient combustion in burners and heating equipment.
Hollow cone and solid cone nozzles are the most common choice, providing fine and consistent atomisation to achieve stable flame characteristics and efficient fuel combustion.
Typical applications include industrial heating, HVAC systems, agricultural operations, and liquid waste incineration where reliable and efficient oil combustion is required.
Oil Pollution Control
Oil pollution control systems use spray nozzles to apply dispersant chemicals onto oil slicks and contaminated water surfaces to break down and disperse hydrocarbon pollutants.
Flat spray and hollow cone nozzles are the most common choice, providing wide coverage and controlled droplet size to ensure effective dispersant contact with the oil surface.
Typical applications include offshore and coastal pollution response, port and harbour management, and industrial sites where hydrocarbon spill containment and remediation are required.
Oven Humidity Control
Oven humidity control systems use spray nozzles to introduce fine water droplets into oven chambers to raise and maintain the required moisture level during baking or drying processes.
Hollow cone and solid cone nozzles are the most common choice, providing fine atomisation and rapid evaporation to achieve uniform humidity distribution without wetting the product surface.
Typical applications include food production, where precise humidity control during baking and proving is critical to product quality, crust formation, and consistent yield.
Phosphate Spraying
Phosphate spraying systems use spray nozzles to apply iron or zinc phosphate solution onto metal surfaces as a pre-treatment prior to painting or protective coating.
Flat spray, hollow cone, and solid cone nozzles are the most common choice, providing uniform chemical coverage and consistent contact time to ensure thorough surface preparation and coating adhesion.
Typical applications include automotive manufacturing, metal finishing, and general industrial pre-treatment lines where surface quality and coating performance are critical.
Roll Lubrication
Roll lubrication systems use spray nozzles to apply a precise quantity of lubricant onto roll surfaces and conveyor systems during continuous processing operations.
Flat spray nozzles are the most common choice, providing controlled and uniform lubricant distribution across the roll surface to reduce friction, prevent wear, and extend equipment life.
Typical applications include metal production, food and beverage conveyor lines, carpet and textile manufacturing, and general industrial processing where consistent lubrication is critical to operational efficiency.
SNCR Sprays
SNCR systems use spray nozzles to inject a urea or ammonia-based reagent directly into the furnace flue gas stream to reduce nitrogen oxide emissions through selective non-catalytic reduction.
Hollow cone and solid cone nozzles are the most common choice, providing fine atomisation and thorough reagent distribution to achieve effective mixing with the flue gas at the correct temperature window.
Typical applications include power generation, waste incineration, and industrial combustion facilities where nitrogen oxide emissions must be reduced to meet environmental and regulatory standards.
Special Effects
Special effects systems use spray nozzles to create controlled water displays, mist effects, and atmospheric conditions for entertainment and theatrical environments.
Flat spray, hollow cone, and solid cone nozzles are the most common choice, providing a variety of spray patterns, droplet sizes, and flow rates to achieve the desired visual or atmospheric effect.
Typical applications include theme parks, theatrical productions, film sets, and public installations where precisely controlled water effects are required.
Spray Drying
Spray drying systems use spray nozzles to atomise liquid feed material into fine droplets within a heated chamber, where rapid evaporation produces a dry powder product.
Hollow cone nozzles are the most common choice, providing fine and consistent atomisation to achieve uniform droplet size distribution and controlled particle characteristics in the dried product.
Typical applications include food processing, pharmaceutical manufacturing, and chemical production where liquid materials must be converted to free-flowing powder form with precise moisture content and particle size.
Spray Ponds
Spray pond systems use spray nozzles to distribute warm process water across a pond surface to achieve cooling through evaporation and heat dissipation to the atmosphere.
Hollow cone nozzles are the most common choice, providing wide coverage and fine droplet sizes to maximise the evaporative surface area and achieve efficient heat transfer.
Typical applications include power generation and industrial cooling operations where large volumes of process water require cooling prior to recirculation or discharge.
Spray Sanitation/Fumigation of Food Production Areas
Spray sanitation and fumigation systems use spray nozzles to distribute disinfectant or fumigant solutions evenly throughout food production areas to eliminate microbial contamination.
Hollow cone and solid cone nozzles are the most common choice, providing fine atomisation and wide coverage to ensure thorough surface contact and effective sanitation.
Typical applications include food processing facilities, abattoirs, and packaging areas where regular disinfection is required to meet food safety and regulatory standards.
Steam Conditioning
Steam conditioning systems use spray nozzles to inject fine water droplets into a steam flow to reduce temperature and control steam quality for downstream process requirements.
Hollow cone and solid cone nozzles are the most common choice, providing fine atomisation and rapid evaporation to achieve precise and responsive steam temperature control.
Typical applications include power generation, industrial heating, and process industries where accurate steam conditioning is required to protect equipment and maintain process efficiency.
Steam Desuperheating
Steam desuperheating systems use spray nozzles to inject precisely controlled volumes of water into superheated steam to reduce its temperature to the required saturation level.
Hollow cone and solid cone nozzles are the most common choice, providing fine atomisation and rapid evaporation to achieve accurate and stable steam temperature reduction without water carryover.
Typical applications include power generation, chemical processing, and industrial steam distribution networks where precise steam temperature control is critical to process efficiency and equipment protection.
Tablet Coating
Tablet coating systems use spray nozzles to apply a uniform layer of coating solution onto tablets as they tumble within a rotating coating pan.
Flat spray and airless nozzles are the most common choice, providing consistent fan width and controlled droplet size to achieve even coat thickness and minimal tablet damage.
Typical applications include pharmaceutical manufacturing where precise and uniform coating is required for product appearance, taste masking, and controlled drug release.
Vehicle Washing
Vehicle washing systems use spray nozzles to direct pressurised water and cleaning solution onto vehicle surfaces to remove dirt, mud, and contaminants during the washing process.
Flat spray nozzles are the most common choice, providing high impingement and uniform coverage across vehicle surfaces to achieve thorough cleaning in a single pass.
Typical applications include commercial vehicle wash facilities, transport depots, and industrial sites where regular and efficient vehicle cleaning is required.
Waste Acid Incinerator Sprays
Waste acid incineration systems use spray nozzles to atomise liquid waste acid into fine droplets for efficient combustion and disposal within the incinerator chamber.
Hollow cone and solid cone nozzles are the most common choice, providing fine and consistent atomisation to achieve complete combustion and minimise harmful emissions from the incineration process.
Typical applications include chemical manufacturing and industrial processing facilities where liquid acid waste requires safe and compliant thermal disposal.
Water Addition
Water addition systems use spray nozzles to introduce precise volumes of water into a process stream or material to achieve the required moisture content or consistency.
Hollow cone nozzles are the most common choice, providing controlled flow rates and uniform distribution to achieve accurate and repeatable water addition without over-wetting.
Typical applications include paper making, mineral processing, and industrial mixing operations where precise water addition is critical to product quality and process consistency.
Weed Control
Weed control systems use spray nozzles to apply herbicide solution uniformly across vegetation and ground surfaces to achieve effective and controlled weed suppression.
Flat spray and hollow cone nozzles are the most common choice, providing consistent coverage and controlled droplet size to maximise herbicide contact whilst minimising drift and overspray.
Typical applications include railway lines, runways, pavements, and industrial sites where regular and reliable weed control is required to maintain safe and compliant surfaces.
Wheel Wash
Wheel wash systems use spray nozzles to direct pressurised water onto vehicle wheels and undercarriage to remove mud, debris, and contaminated material before vehicles leave site.
Flat spray nozzles are the most common choice, providing high impingement and thorough coverage across wheel and chassis surfaces to prevent the transfer of contamination onto public roads.
Typical applications include construction sites, quarries, mining operations, and waste management facilities where vehicle tracking of contaminated material off site must be prevented.
Wire Die Lubrication (and Cooling)
Wire die lubrication and cooling systems use spray nozzles to apply coolant and lubricant directly onto the die and wire during the drawing process to reduce heat and friction.
Hollow cone and solid cone nozzles are the most common choice, providing targeted delivery of coolant to the die face to extend die life, improve surface finish, and maintain dimensional accuracy.
Typical applications include wire and cable manufacturing operations where continuous drawing at high speeds generates significant heat and requires reliable lubrication and cooling.
