Editorial Technical Reference

Steam Nozzle / Spray Nozzle

This page explains how Steam Nozzle / Spray Nozzle is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A precision-engineered component that controls the direction, pattern, and flow rate of steam or liquid spray within a distribution system.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Steam Nozzle / Spray Nozzle

Definition
A steam nozzle or spray nozzle is a critical component within distribution systems (steam pipes/nozzles or spray headers) that atomizes and directs steam or liquid media. It converts pressurized fluid into controlled spray patterns for applications such as humidification, cleaning, sterilization, coating, or temperature regulation in industrial processes. The nozzle's design determines spray characteristics including droplet size, distribution, angle, and flow rate. This directory entry covers nozzles used in machinery and equipment manufacturing, typically as replacement parts or for integration into new systems. The nozzle body is manufactured from materials such as Stainless Steel 316, Brass, Ceramic, or PTFE, selected based on the media and operating environment. Key parameters to verify for a specific application include operating pressure (1.0–1.6 MPa), flow rate (0.5–5.0 m³/h), spray angle (30–120°), droplet size (50–500 µm), connection size (1/8–1 inch per ISO 7-1), material grade (SS304/316 per ASTM A276), maximum operating temperature (200–400 °C), tolerance (±0.05 mm per ISO 2768-m), weight (0.1–2.0 kg), and surface finish (Ra 0.8–1.6 µm per ISO 1302). These values are reference ranges; actual performance depends on the specific model and must be confirmed with the legal manufacturer or supplier. The nozzle's internal geometry, such as swirl chambers or precision-machined openings, determines the spray pattern (flat fan, full cone, hollow cone, or solid stream). Proper selection requires knowledge of the media, pressure, flow, and desired spray characteristics. Regular inspection for wear, clogging, or erosion is necessary to maintain performance. Failure to operate within specified parameters can lead to inefficient atomization, uneven distribution, or premature wear. Always verify model-specific values and standards with the legal manufacturer or supplier before procurement.
Working Principle
Pressurized steam or liquid enters the nozzle body and passes through an internal orifice or series of channels. The geometry of these internal features (such as swirl chambers, impingement surfaces, or precision-machined openings) converts the fluid's pressure energy into kinetic energy, creating controlled atomization and directional spray patterns. Different nozzle designs (flat fan, full cone, hollow cone, solid stream) achieve specific spray characteristics through variations in internal flow paths and exit geometries.
Common Materials
Stainless Steel 316, Brass, Ceramic, PTFE (Polytetrafluoroethylene)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Flow Rate0.5–5.0 m³/hDepends on nozzle size and pressure
Spray Angle30–120 °Affects coverage area
Droplet Size50–500 µmVaries with pressure and nozzle type
Connection Size1/8–1 inchStandard pipe thread sizesISO 7-1
MaterialSS304/316Corrosion resistanceASTM A276
Max Operating Temperature200–400 °CDepends on material and sealing
Tolerance±0.05 mmPrecision for critical dimensionsISO 2768-m
Weight0.1–2.0 kgVaries with size and material
Surface FinishRa 0.8–1.6 µmAffects flow and wearISO 1302

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Nozzle Body
    Main structural housing containing internal flow channels and providing connection points
    Material: Stainless Steel
  • Orifice Plate/Insert
    Precision-machined component with calibrated opening that controls flow rate and initial atomization
    Material: Stainless Steel or Ceramic
  • Swirl Chamber/Deflector Part
    Internal geometry that imparts rotational motion to fluid for spray pattern formation
    Material: Stainless Steel
  • Sealing Gasket/O-ring Part
    Prevents leakage at connection points and maintains pressure integrity
    Material: Viton or EPDM Rubber

Industry Taxonomies & Aliases

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

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 150 bar
flow rate: 0.1 to 100 L/min
temperature: -20°C to 400°C
slurry concentration: Up to 30% solids by weight
Media Compatibility
✓ Saturated Steam ✓ Water-based Liquids ✓ Chemical Solutions
Unsuitable: Abrasive Slurries with Hard Particles
Sizing Data Required
  • Required Flow Rate (L/min)
  • Operating Pressure (bar)
  • Spray Pattern/Angle Requirement

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: High-velocity steam carrying solid particles (e.g., scale, rust) impinging on nozzle surfaces, gradually wearing away material, especially at orifices and internal passages.
Cavitation
Cause: Rapid pressure drops below vapor pressure within the nozzle, forming vapor bubbles that collapse violently against surfaces, causing pitting and material fatigue, often due to improper design or operating conditions.
Maintenance Indicators
  • Irregular or asymmetric spray pattern (e.g., skewed, uneven distribution) indicating orifice wear or blockage.
  • Unusual high-pitched whistling or hissing noise during operation, suggesting internal damage or misalignment affecting flow dynamics.
Engineering Tips
  • Implement a robust filtration system upstream to remove particulates and impurities from the steam supply, reducing abrasive wear.
  • Optimize operating pressure and temperature within design limits to minimize cavitation risk, and use cavitation-resistant materials (e.g., hardened alloys) for critical components.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 5167-1:2022 Measurement of fluid flow by means of pressure differential devices ANSI/ASME B40.100 Pressure Gauges and Gauge Attachments DIN 19569-10:2016 Wastewater treatment plants - Principles for the design of structures and technical equipment

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: ±0.02 mm
  • Spray angle deviation: ±2°
Quality Inspection
  • Flow rate and spray pattern verification test
  • Material composition verification via X-ray fluorescence (XRF) analysis

Manufacturers of Steam Nozzle / Spray Nozzle

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Dongguan ST Cooling Spray Technologies Co., Ltd.
Guangdong, CN
Also makes: Atomizing Nozzle, Spray Nozzle, Fuel Nozzle and 3 more
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
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Frequently Asked Questions

What materials are available for steam or spray nozzles?

Common materials include Stainless Steel 316, Brass, Ceramic, and PTFE. The choice depends on the media, temperature, and corrosion resistance required. Always confirm the material grade for your specific application with the supplier.

What is the typical operating pressure range?

The reference range is 1.0–1.6 MPa. Actual pressure depends on the nozzle design and system requirements.

How do I select the right spray angle?

Spray angle affects coverage area. The reference range is 30–120 degrees. Choose based on the distance to the target and the desired coverage. Verify with the manufacturer for your specific nozzle model.

What standards apply to nozzle connections?

Connection sizes follow ISO 7-1 for pipe threads, ranging from 1/8 to 1 inch. Material grades may reference ASTM A276 for stainless steel. Always verify compliance with the legal manufacturer.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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