---
title: "Spray Nozzle Assembly"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:SPRAY_NOZZLE_ASSEMBLY"
  data_integrity_hash: "d774f7a88169a0bd05333ac232719030"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:SPRAY_NOZZLE_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/spray-nozzle-assembly.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/spray-nozzle-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "3.5-8.0 bar (50-115 psi) at 0.8-2.2 L/min flow rate"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.35
    unit: "bar"
    consequence: "Cavitation-induced erosion from Bernoulli's principle (P1-P2 &gt; 0.5ρv^2) and high-cycle fatigue from Von Mises stress exceeding yield strength (σ_vm &gt; 345 MPa for 316L stainless)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Particulate contamination &gt; 15 μm in fluid stream"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 10 μm absolute filtration with differential pressure monitoring at 0.7 bar (10 psi) threshold"
  - node_2:
      trigger: "Solvent evaporation during idle periods (30+ minutes)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement automatic solvent purge cycle every 15 minutes of inactivity"
bom_nodes:
  nozzle-tip-orifice:
    type: "component"
    urn: "URN:CNFX:ME:NOZZLE_TIP_ORIFICE"
    interface_type: "physical-logic-coupled"
  fluid-cap-body:
    type: "part"
    urn: "URN:CNFX:ME:FLUID_CAP_BODY"
    interface_type: "physical-logic-coupled"
  air-cap-for-air-assisted-models:
    type: "component"
    urn: "URN:CNFX:ME:AIR_CAP_FOR_AIR_ASSISTED_MODELS"
    interface_type: "physical-logic-coupled"
  seals-gaskets:
    type: "component"
    urn: "URN:CNFX:ME:SEALS_GASKETS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B46.1-2019 - SURFACE TEXTURE (SURFACE ROUGHNESS, WAVINESS, AND LAY)"
    scope: "Verified Engineering Specification"
  - standard: "DIN 19569-10:2016 - WASTEWATER TREATMENT PLANTS - PRINCIPLES FOR THE DESIGN OF STRUCTURES AND TECHNICAL EQUIPMENT"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/spray-nozzle-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "46787cc7c4f4ba78980771b20d0dc5afe15a21635a791538c3ab4ad8b9765a61"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Spray Nozzle Assembly

## 1. Technical Definition
A precision assembly that atomizes and directs coating materials onto surfaces as part of an automated robotic spraying system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **3.5-8.0 bar (50-115 psi) at 0.8-2.2 L/min flow rate**. Failure boundary: **Cavitation occurs at 0.35 bar (5 psi) pressure drop across orifice, material fatigue at 10^7 cycles at 6.9 MPa (1000 psi) stress**, Mechanism: **Cavitation-induced erosion from Bernoulli's principle (P1-P2 &gt; 0.5ρv^2) and high-cycle fatigue from Von Mises stress exceeding yield strength (σ_vm &gt; 345 MPa for 316L stainless)**.

### 2.1 Analytical Physics Model
Governed by the **Darcy-Weisbach Pressure Drop**:

> **Primary Equation**: $\Delta P = f \cdot \frac{L}{D} \cdot \frac{\rho v^2}{2}$  
> **Engineering Impact**: Critical for sizing CIP (Clean-In-Place) pump heads.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| f | Friction Factor | Engineering Constant |
| L | Pipe Length | Engineering Constant |
| v | Velocity | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Particulate contamination &gt; 15 μm in fluid stream | 8 | Orifice erosion increasing diameter by 0.1 mm, causing 25% flow deviation | Install 10 μm absolute filtration with differential pressure monitoring at 0.7 bar (10 psi) threshold |
| Solvent evaporation during idle periods (30+ minutes) | 8 | Polymerized material buildup reducing effective orifice area by 40% | Implement automatic solvent purge cycle every 15 minutes of inactivity |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Fluid Cap / Body](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/fluid-cap-body.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Robotic Arm System**, **High-Pressure Fluid Pump**, **Automated Conveyor System**  
**Downstream Applications**: Automotive Body Panels, Aerospace Components, Industrial Machinery Housings  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are best for corrosive coating applications?
**A**: For corrosive environments, 316 stainless steel or ceramic (alumina) nozzle assemblies offer superior chemical resistance compared to standard 303 stainless steel or tool steel options.

### Q: How do I maintain consistent atomization in automated spraying systems?
**A**: Ensure proper alignment of air caps and nozzle tips, regularly inspect seals/gaskets for wear, and follow manufacturer specifications for pressure and fluid viscosity to maintain consistent spray patterns.

### Q: What factors determine nozzle tip replacement frequency?
**A**: Replacement frequency depends on material abrasiveness, operating pressure, and hours of use. Tungsten carbide tips last longest for abrasive materials, while regular inspection for wear patterns helps optimize maintenance schedules.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- 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

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Spray Nozzle Assembly](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/spray-nozzle-assembly)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: SPRAY_NOZZLE_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: a2dd44c7
