Industry-Verified Manufacturing Data (2026)

Spray Nozzle / Distribution Tray

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Spray Nozzle / Distribution Tray used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Spray Nozzle / Distribution Tray is characterized by the integration of Nozzle Body/Orifice and Distribution Tray/Manifold. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (e.g., 304, 316) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A component within a deaerator that distributes incoming water as a fine spray over the heating zone to facilitate oxygen removal.

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Product Specifications

Technical details and manufacturing context for Spray Nozzle / Distribution Tray

Definition
The spray nozzle/distribution tray is a critical component of a deaerator, typically located in the deaeration section. Its primary function is to receive incoming feedwater and atomize it into a fine mist or spray, ensuring uniform distribution over the heating zone (steam-filled area). This maximizes the surface area of the water droplets, promoting efficient heat transfer from the steam and the release of dissolved gases, primarily oxygen and carbon dioxide, which are then vented from the system.
Working Principle
Pressurized feedwater is forced through the spray nozzles, creating a conical spray pattern of fine droplets. These droplets fall through a chamber filled with steam (the heating zone). The large surface area of the droplets allows for rapid heating to saturation temperature, which drastically reduces the solubility of dissolved gases. The released gases are carried upward with the excess steam and vented out of the deaerator.
Common Materials
Stainless Steel (e.g., 304, 316), Carbon Steel
Technical Parameters
  • Nozzle orifice diameter and spray pattern angle; Tray diameter and number/distribution pattern of nozzles. (mm) Customizable
Components / BOM
  • Nozzle Body/Orifice
    Forms the constriction that creates the spray pattern and controls flow.
    Material: Stainless Steel
  • Distribution Tray/Manifold
    A pipe or plate that supplies water to multiple spray nozzles evenly.
    Material: Carbon Steel or Stainless Steel
  • Strainer/Screen
    Prevents debris from clogging the fine nozzle orifices.
    Material: Stainless Steel
Engineering Reasoning
0.5-2.0 bar differential pressure across nozzle orifices, 0.1-0.3 mm orifice diameter range, 60-95°C water temperature range
Cavitation occurs at vapor pressure ≤0.023 bar absolute (at 20°C) when local pressure drops below fluid vapor pressure, orifice erosion accelerates exponentially when particle size >10% of orifice diameter
Design Rationale: Cavitation-induced erosion from Bernoulli principle pressure drop across constricted flow paths, combined with impingement erosion from suspended solids exceeding 50 ppm concentration at velocities >3 m/s through orifices
Risk Mitigation (FMEA)
Trigger Calcium carbonate scaling deposition exceeding 0.5 mm thickness on orifice surfaces
Mode: Flow maldistribution with >15% deviation from design spray pattern, leading to localized steam bypass in deaerator
Strategy: Installation of 5-micron absolute cartridge filters upstream with differential pressure monitoring set at 0.7 bar for filter change indication
Trigger Chloride-induced stress corrosion cracking in 316L stainless steel at chloride concentrations >25 ppm and temperatures >60°C
Mode: Orifice enlargement exceeding 20% of original diameter, causing droplet size increase from 0.5 mm to >2.0 mm design specification
Strategy: Material upgrade to duplex stainless steel UNS S32205 with PREN >35, combined with cathodic protection system maintaining -850 mV vs. Ag/AgCl reference electrode

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Spray Nozzle / Distribution Tray.

stainless steel deaerator spray nozzle distribution tray for oxygen removal industrial water treatment spray nozzle deaerator nozzle and tray assembly high-efficiency water distribution manifold

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Deaerator
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 20 bar (290 psi) typical, up to 40 bar (580 psi) with reinforced design
flow rate: 5-500 m³/h (22-2200 gpm) per nozzle, scalable with multiple nozzles
temperature: Up to 250°C (482°F) for standard stainless steel, higher with special alloys
slurry concentration: Not applicable - designed for clean water/steam mixtures only
Media Compatibility
✓ Deaerated water/steam mixtures ✓ Boiler feedwater ✓ Condensate return systems
Unsuitable: Corrosive chemicals or abrasive slurries
Sizing Data Required
  • Required water flow rate (m³/h or gpm)
  • Operating pressure at nozzle inlet (bar or psi)
  • Required spray pattern coverage area (m² or ft²)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Clogging
Cause: Accumulation of particulate matter, scale, or chemical deposits from process fluids, often due to inadequate filtration or incompatible fluid chemistry.
Corrosion
Cause: Chemical attack from aggressive process fluids (e.g., acids, caustics) or environmental exposure, exacerbated by material incompatibility or improper material selection.
Maintenance Indicators
  • Uneven spray pattern or dry spots on the distribution tray, indicating partial or complete nozzle blockage.
  • Audible hissing, whistling, or gurgling sounds from the nozzle, suggesting cavitation or internal flow restriction.
Engineering Tips
  • Implement a regular cleaning and inspection schedule using appropriate solvents or mechanical methods, and install inline filters (e.g., 100-mesh or finer) to prevent particulate ingress.
  • Select corrosion-resistant materials (e.g., stainless steel 316, Hastelloy, or ceramic) based on fluid compatibility studies, and apply protective coatings if environmental exposure is a concern.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ANSI/ASME B31.3 Process Piping DIN EN 10204 Metallic Products - Types of Inspection Documents
Manufacturing Precision
  • Bore Diameter: +/-0.01mm
  • Flatness: 0.05mm across entire surface
Quality Inspection
  • Dye Penetrant Test for surface defects
  • Flow Distribution Uniformity Test

Factories Producing Spray Nozzle / Distribution Tray

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

T Technical Director from Germany Jan 06, 2026
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Spray Nozzle / Distribution Tray so far."
Technical Specifications Verified
P Project Engineer from Brazil Jan 03, 2026
★★★★☆
"Testing the Spray Nozzle / Distribution Tray now; the technical reliability results are within 1% of the laboratory datasheet. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Canada Dec 31, 2025
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

17 sourcing managers are analyzing this specification now. Last inquiry for Spray Nozzle / Distribution Tray from India (1h ago).

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Frequently Asked Questions

What materials are recommended for spray nozzles in corrosive environments?

For corrosive environments, we recommend stainless steel grades 304 or 316 for superior corrosion resistance and longevity in deaerator applications.

How does the distribution tray improve oxygen removal efficiency?

The distribution tray evenly spreads incoming water as a fine spray over the heating zone, maximizing surface area exposure to steam for optimal oxygen stripping and removal.

What maintenance is required for spray nozzle systems?

Regular inspection of nozzles and strainers for clogging, along with periodic cleaning, ensures consistent spray patterns and maintains optimal deaerator performance.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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