Editorial Technical Reference

Spray Nozzle Assembly

This page explains how Spray Nozzle Assembly 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 assembly that atomizes and directs coating materials onto surfaces as part of an automated robotic spraying system.

View Full Specifications Explore Manufacturing Sources
Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Spray Nozzle Assembly

Definition
The spray nozzle assembly is a critical component of the Robotic Coating Spray Arm responsible for the final stage of material application. It precisely controls the atomization, flow rate, spray pattern, and direction of liquid coatings (such as paints, sealants, or protective films) onto target surfaces, ensuring uniform coverage and finish quality in automated industrial processes. This component is designed for integration into robotic systems where consistent application is required. The assembly typically includes a nozzle tip, fluid cap, and air cap (in air-assisted systems), which work together to break the liquid stream into fine droplets. The geometry of these components and the control of fluid and air pressure determine the spray pattern (e.g., fan, cone) and droplet size. The assembly is available in various materials, including stainless steel (e.g., 303, 316), hardened tool steel, tungsten carbide, and ceramic (e.g., alumina), to suit different coating chemistries and wear conditions. Key parameters include operating pressure (1.0–1.6 MPa), flow rate (0.5–2.0 L/min), spray angle (60–120°), droplet size (20–100 µm VMD at 1.3 MPa), operating temperature (-20–80°C), and weight (0.15–0.25 kg). The standard body material is 316L stainless steel (ASTM A276), with PTFE seals for chemical resistance. Connection thread is G1/4 (BSPP, ISO 228-1), and the IP rating is IP65 (IEC 60529). These values are reference ranges and must be verified for the specific model and application. The assembly is not a standalone product; it requires integration with a robotic arm and a fluid supply system. For procurement, confirm compatibility with your coating material, pressure requirements, and mounting interface. Always consult the legal manufacturer or supplier for model-specific specifications and standards compliance.
Working Principle
Coating material is fed under pressure into the assembly. Internal components, typically including a nozzle tip, fluid cap, and air cap (in air-assisted systems), work together to break the liquid stream into fine droplets (atomization). The geometry of these components and the control of fluid/air pressure determine the spray pattern (e.g., fan, cone) and droplet size, which is then directed onto the workpiece by the robotic arm's positioning.
Common Materials
Stainless Steel (e.g., 303, 316), Hardened Tool Steel, Tungsten Carbide, Ceramic (e.g., Alumina)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Flow Rate0.5–2.0 L/minDepends on nozzle size and pressure
Spray Angle60–120 °Adjustable via nozzle cap
Droplet Size20–100 µmVMD at 1.3 MPa
Operating Temperature-20–80 °CFor standard seals
Material316LStainless steel bodyASTM A276
Seal MaterialPTFEChemical resistant
Connection ThreadG1/4BSPPISO 228-1
Weight0.15–0.25 kgWithout fittings
IP RatingIP65Dust-tight and water-jet protectedIEC 60529

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 Tip / Orifice Part
    Forms the final exit point for the fluid, defining the orifice diameter and influencing atomization.
    Material: Tungsten Carbide or Hardened Steel
  • Fluid Cap / Body
    Houses the nozzle tip and directs fluid flow into it. Provides the main connection to the fluid supply.
    Material: Stainless Steel
  • Air Cap (for air-assisted models) Optional Part
    Directs compressed air around the fluid stream to assist in atomization and shape the spray pattern.
    Material: Stainless Steel or Brass
  • Seals / Gaskets Part
    Ensure leak-proof connections between components and to the fluid supply.
    Material: PTFE (Teflon), Viton, or Buna-N

Applied To / Applications

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

Robotic Coating Spray Arm
View system integration details
Liquid Binder Spray System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0.5 to 10 bar
flow rate: 0.1 to 5.0 L/min
temperature: -20°C to +80°C
slurry concentration: Up to 25% solids by weight
Media Compatibility
✓ Water-based paints ✓ Solvent-based coatings ✓ Adhesive sealants
Unsuitable: Abrasive slurries with >25% solids or corrosive acids
Sizing Data Required
  • Required flow rate (L/min)
  • Desired spray pattern width (mm)
  • Operating pressure (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Clogging
Cause: Accumulation of particulate matter, mineral deposits, or chemical residues from the fluid stream, often due to inadequate filtration or incompatible fluid chemistry.
Wear/Deformation
Cause: Abrasive erosion from suspended solids in the fluid, cavitation due to pressure drops, or chemical corrosion from aggressive media, leading to altered spray patterns and reduced efficiency.
Maintenance Indicators
  • Irregular or asymmetric spray pattern (e.g., streaking, uneven distribution)
  • Unusual noises such as hissing, whistling, or rattling during operation, indicating internal damage or blockage
Engineering Tips
  • Implement a routine preventive maintenance schedule including inspection, cleaning, and replacement of filters to prevent clogging and minimize abrasive wear.
  • Optimize operating parameters (pressure, flow rate) within the nozzle's specified range to avoid cavitation and excessive stress, and select nozzle materials compatible with the fluid's chemical properties.

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
ANSI/ASME B46.1-2019 - Surface Texture (Surface Roughness, Waviness, and Lay) 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: +/-0.02mm
  • Thread concentricity: 0.05mm TIR (Total Indicator Runout)
Quality Inspection
  • Flow rate and spray pattern test
  • Pressure decay leak test

Manufacturers of Spray Nozzle Assembly

Manufacturer profiles associated with Spray Nozzle Assembly.

Sourcing Spray Nozzle Assembly from China?
Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.
Request manufacturers We manufacture this

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
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Supply Chain Compatible Machinery & Devices

Hydraulic Press

Industrial machine using hydraulic pressure to compress, form, or assemble materials

Explore Specs →
Heavy-Duty CNC Plasma Cutting Machine

The Heavy-Duty CNC Plasma Cutting Machine is a standalone industrial device designed for cutting conductive metals such as steel, stainless steel, aluminum, and copper alloys.

Explore Specs →
Automated Powder Coating System

Integrated industrial system for applying dry powder coatings to metal substrates.

Explore Specs →
Centrifugal Pump Impeller

The centrifugal pump impeller is a critical rotating component that converts mechanical energy from the motor into kinetic energy in fluid systems.

Explore Specs →

Frequently Asked Questions

What materials are available for the spray nozzle assembly?

The assembly can be made from stainless steel (e.g., 303, 316), hardened tool steel, tungsten carbide, or ceramic (e.g., alumina). The standard body material is 316L stainless steel per ASTM A276. Choose based on coating chemistry and wear resistance needs.

What is the operating pressure range?

The operating pressure is 1.0–1.6 MPa. Always verify the exact pressure for your specific model and application.

Can the spray angle be adjusted?

Yes, the spray angle is adjustable via the nozzle cap, with a range of 60–120°. The actual angle depends on the nozzle design and operating conditions.

What is the IP rating and what does it mean?

The IP rating is IP65 per IEC 60529, meaning the assembly is dust-tight and protected against water jets. This is suitable for industrial environments where cleaning may involve water.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

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

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
Buyer enquiry

Request manufacturing insight for Spray Nozzle Assembly

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes
Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here
We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman
CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim
A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.

Need to Manufacture Spray Nozzle Assembly?

Compare manufacturer profiles with relevant product and process capability.

Create Manufacturer Profile Contact Us
Previous Product
Z-axis Ram/Spindle
Last Product
Get QuotesChat