---
title: "Nozzle"
industry: "Fabricated Metal Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:NOZZLE"
  data_integrity_hash: "590b15e4df9199dbf2ea2ef482505300"
  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:NOZZLE"
  data_source_uri: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/nozzle.md"
  official_resource_url: "https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/nozzle"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.35-0.70 MPa (5-10 psi) fuel-oxygen mixture pressure, 0.5-3.0 mm orifice diameter, 2300-3300°C flame temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.1
    unit: "mm"
    consequence: "Thermal fatigue from cyclic heating (2300°C flame) and cooling (ambient air), cavitation erosion from pressure differentials exceeding vapor pressure of cutting fluid, oxidation degradation at temperatures above 800°C"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Incomplete combustion due to incorrect fuel-oxygen ratio (outside 1.1:1 to 1.5:1 stoichiometric range)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated mass flow sensors with PID-controlled solenoid valves maintaining ±2% ratio accuracy"
  - node_2:
      trigger: "Thermal shock from contact with molten metal (exceeding 1500°C for &gt;2 seconds)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Ceramic thermal barrier coating (ZrO2-Y2O3) with 0.3 mm thickness and active water cooling maintaining nozzle temperature &lt;400°C"
bom_nodes:
  orifice:
    type: "component"
    urn: "URN:CNFX:ME:ORIFICE"
    interface_type: "physical-logic-coupled"
  body:
    type: "component"
    urn: "URN:CNFX:ME:BODY"
    interface_type: "physical-logic-coupled"
  preheat-holes:
    type: "component"
    urn: "URN:CNFX:ME:PREHEAT_HOLES"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 28580:2009 (NOZZLE DIMENSIONS AND TOLERANCES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/nozzle.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "a166ed0f4278e867c403182aaa8d7b0763395882e37ef8fc4818fc6f37cdb162"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Nozzle

## 1. Technical Definition
A precision component of a cutting torch that directs and shapes the flow of fuel-oxygen mixture for controlled metal cutting.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.35-0.70 MPa (5-10 psi) fuel-oxygen mixture pressure, 0.5-3.0 mm orifice diameter, 2300-3300°C flame temperature**. Failure boundary: **Orifice erosion exceeding 0.1 mm diameter increase, thermal fatigue cracks &gt;0.5 mm depth, backpressure exceeding 1.2 MPa (174 psi)**, Mechanism: **Thermal fatigue from cyclic heating (2300°C flame) and cooling (ambient air), cavitation erosion from pressure differentials exceeding vapor pressure of cutting fluid, oxidation degradation at temperatures above 800°C**.

### 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 |
| :--- | :--- | :--- | :--- |
| Incomplete combustion due to incorrect fuel-oxygen ratio (outside 1.1:1 to 1.5:1 stoichiometric range) | 8 | Carbon deposit accumulation in orifice reducing flow by &gt;15% | Integrated mass flow sensors with PID-controlled solenoid valves maintaining ±2% ratio accuracy |
| Thermal shock from contact with molten metal (exceeding 1500°C for &gt;2 seconds) | 8 | Microcrack propagation in copper-chromium-zirconium alloy leading to gas leakage &gt;0.1 L/min | Ceramic thermal barrier coating (ZrO2-Y2O3) with 0.3 mm thickness and active water cooling maintaining nozzle temperature &lt;400°C |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Oxygen Supply System**, **Fuel Gas Supply System**, **Cutting Torch Body Assembly**  
**Downstream Applications**: Structural Steel Components, Shipbuilding Plates, Industrial Machinery Parts  

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

### Q: What materials are used in these cutting torch nozzles?
**A**: Our nozzles are manufactured from high-quality copper and brass, chosen for their durability, heat resistance, and optimal performance in metal cutting applications.

### Q: What are the main components in the nozzle BOM?
**A**: The bill of materials includes three key components: the orifice for precise fuel-oxygen mixture control, the body housing, and preheat holes that ensure consistent ignition and cutting performance.

### Q: How does this nozzle improve metal cutting precision?
**A**: The nozzle's precision engineering directs and shapes the fuel-oxygen flow with exceptional accuracy, resulting in cleaner cuts, reduced material waste, and improved efficiency in fabricated metal product manufacturing.

## 6. Manufacturing Compliance
- ISO 28580:2009 (NOZZLE DIMENSIONS AND TOLERANCES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Nozzle](https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/nozzle)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: NOZZLE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 7b5389ef
