---
title: "Ejector Nozzle"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:EJECTOR_NOZZLE"
  data_integrity_hash: "22a9ff448d8eb1204617022b7d87d891"
  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:EJECTOR_NOZZLE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/ejector-nozzle.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/ejector-nozzle"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-6.0 bar absolute inlet pressure, 0.001-0.1 bar outlet pressure differential"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.8
    unit: "at"
    consequence: "Compressible flow breakdown due to shock wave formation at critical pressure ratio (P_out/P_in &lt;0.528 for air), causing flow separation and momentum transfer loss"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Particulate contamination &gt;5μm in motive fluid stream"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 3μm absolute filtration with differential pressure monitoring at 0.3 bar warning threshold"
  - node_2:
      trigger: "Condensate accumulation in suction chamber exceeding 3% volume fraction"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate Peltier cooling element maintaining suction temperature 5°C above dew point at operating pressure"
bom_nodes:
  converging-section:
    type: "component"
    urn: "URN:CNFX:ME:CONVERGING_SECTION"
    interface_type: "physical-logic-coupled"
  throat:
    type: "component"
    urn: "URN:CNFX:ME:THROAT"
    interface_type: "physical-logic-coupled"
  diverging-section:
    type: "part"
    urn: "URN:CNFX:ME:DIVERGING_SECTION"
    interface_type: "physical-logic-coupled"
  suction-port:
    type: "component"
    urn: "URN:CNFX:ME:SUCTION_PORT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 5167-1:2022 (MEASUREMENT OF FLUID FLOW BY MEANS OF PRESSURE DIFFERENTIAL DEVICES)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B16.5:2020 (PIPE FLANGES AND FLANGED FITTINGS)"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 10204:2004 (METALLIC PRODUCTS - TYPES OF INSPECTION DOCUMENTS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/ejector-nozzle.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "574465a5a4219bdd313f63f775c1442a4f6f9429e48b056f16ad7aff51bb9a58"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Ejector Nozzle

## 1. Technical Definition
A precision component within a vacuum generator/valve that accelerates fluid flow to create suction.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-6.0 bar absolute inlet pressure, 0.001-0.1 bar outlet pressure differential**. Failure boundary: **Mach number &gt;0.8 at throat causing choked flow, or boundary layer separation at divergence angle &gt;15°**, Mechanism: **Compressible flow breakdown due to shock wave formation at critical pressure ratio (P_out/P_in &lt;0.528 for air), causing flow separation and momentum transfer loss**.

### 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;5μm in motive fluid stream | 8 | Erosion of convergent-divergent profile increasing throat diameter by &gt;2% | Install 3μm absolute filtration with differential pressure monitoring at 0.3 bar warning threshold |
| Condensate accumulation in suction chamber exceeding 3% volume fraction | 8 | Two-phase flow instability reducing entrainment ratio below design minimum of 0.4 | Integrate Peltier cooling element maintaining suction temperature 5°C above dew point at operating pressure |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Diverging Section](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/diverging-section.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Vacuum Pump**, **Compressed Air System**, **Filtration Unit**  
**Downstream Applications**: Vacuum Lifting Systems, Packaging Machinery, Semiconductor Manufacturing Equipment  

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

### Q: What materials are available for ejector nozzles in machinery manufacturing?
**A**: Ejector nozzles are commonly manufactured from stainless steel for durability, brass for cost-effectiveness, PTFE for chemical resistance, and ceramic for high-temperature applications in machinery and equipment.

### Q: How does an ejector nozzle create suction in vacuum systems?
**A**: The ejector nozzle accelerates fluid flow through its converging section, throat, and diverging section, creating a pressure drop at the suction port that generates vacuum for industrial applications.

### Q: What are the key components of an ejector nozzle assembly?
**A**: The main components include the converging section (inlet), throat (narrowest point), diverging section (outlet), and suction port where vacuum is created, forming a complete vacuum generator system.

## 6. Manufacturing Compliance
- ISO 5167-1:2022 (MEASUREMENT OF FLUID FLOW BY MEANS OF PRESSURE DIFFERENTIAL DEVICES)
- ANSI/ASME B16.5:2020 (PIPE FLANGES AND FLANGED FITTINGS)
- DIN EN 10204:2004 (METALLIC PRODUCTS - TYPES OF INSPECTION DOCUMENTS)

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

### 🌐 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**: EJECTOR_NOZZLE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 1aaf17c8
