---
title: "Blower Fan"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:BLOWER_FAN"
  data_integrity_hash: "4c4d4657e9b2f08c71d04897ead03726"
  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:BLOWER_FAN"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/blower-fan.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/blower-fan"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.5 m³/s airflow at 100-1000 Pa static pressure"
    unit: "CFM"
engineering_limits:
  max_safe_operating_point:
    value: 120
    unit: "°C"
    consequence: "Bearing lubricant thermal breakdown at 120°C (ASTM D97 pour point exceeded) or centrifugal stress exceeding yield strength of 6061 aluminum (276 MPa) at 85 m/s tip speed"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Voltage fluctuation beyond ±10% of nominal 230V AC"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Voltage regulator with 5% tolerance and NTC thermistor protection"
  - node_2:
      trigger: "Particulate accumulation exceeding 50 g/m³ in airstream"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "F7-class filtration (EN 779:2012) with differential pressure monitoring at 250 Pa"
bom_nodes:
  blower-wheelimpeller:
    type: "component"
    urn: "URN:CNFX:ME:BLOWER_WHEELIMPELLER"
    interface_type: "physical-logic-coupled"
  motor:
    type: "part"
    urn: "URN:CNFX:ME:MOTOR"
    interface_type: "physical-logic-coupled"
  motor-mount:
    type: "component"
    urn: "URN:CNFX:ME:MOTOR_MOUNT"
    interface_type: "physical-logic-coupled"
  housingcasing:
    type: "component"
    urn: "URN:CNFX:ME:HOUSINGCASING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 5801:2017 - INDUSTRIAL FANS - PERFORMANCE TESTING USING STANDARDIZED AIRWAYS"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN ISO 14694:2005 - INDUSTRIAL FANS - SPECIFICATIONS FOR BALANCE QUALITY AND VIBRATION LEVELS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/blower-fan.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "91c6d41f8a20bbcb257f792b46558a4dc3a015ca75f6451950c761af3d2461d1"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Blower Fan

## 1. Technical Definition
A mechanical device that moves air or gas through an HVAC system by creating airflow using rotating blades or impellers.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.5 m³/s airflow at 100-1000 Pa static pressure**. Failure boundary: **Bearing temperature exceeding 120°C or blade tip speed surpassing 85 m/s**, Mechanism: **Bearing lubricant thermal breakdown at 120°C (ASTM D97 pour point exceeded) or centrifugal stress exceeding yield strength of 6061 aluminum (276 MPa) at 85 m/s tip speed**.

### 2.1 Analytical Physics Model
Governed by the **L10 Bearing Life & Fatigue Model**:

> **Primary Equation**: $L_{10} = (\frac{C}{P})^p$  
> **Engineering Impact**: Predicts mechanical lifecycle before component fatigue.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| C | Dynamic Load Rating | Engineering Constant |
| P | Equivalent Dynamic Load | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Voltage fluctuation beyond ±10% of nominal 230V AC | 8 | Motor winding insulation breakdown at 130°C Class B thermal limit | Voltage regulator with 5% tolerance and NTC thermistor protection |
| Particulate accumulation exceeding 50 g/m³ in airstream | 8 | Dynamic imbalance exceeding ISO 1940 G6.3 balance grade | F7-class filtration (EN 779:2012) with differential pressure monitoring at 250 Pa |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Variable Frequency Drive**, **Air Filter System**, **Vibration Isolators**  
**Downstream Applications**: HVAC Air Handling Units, Industrial Ventilation Systems, Commercial Air Conditioning Units  

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

### Q: What materials are used in the construction of this blower fan?
**A**: This blower fan is constructed from durable materials including galvanized steel for corrosion resistance, aluminum for lightweight strength, and high-grade plastics (PBT and ABS) for components requiring electrical insulation and impact resistance.

### Q: What are the main components included in the blower fan assembly?
**A**: The blower fan assembly includes four key components: blower wheel/impeller for creating airflow, motor for power, motor mount for secure installation, and housing/casing for protection and structural integrity.

### Q: What industries or applications is this blower fan suitable for?
**A**: This blower fan is designed for machinery and equipment manufacturing applications, specifically for HVAC systems requiring reliable air movement in industrial, commercial, or large residential settings.

## 6. Manufacturing Compliance
- ISO 5801:2017 - INDUSTRIAL FANS - PERFORMANCE TESTING USING STANDARDIZED AIRWAYS
- DIN EN ISO 14694:2005 - INDUSTRIAL FANS - SPECIFICATIONS FOR BALANCE QUALITY AND VIBRATION LEVELS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Blower Fan](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/blower-fan)**

### 🌐 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**: BLOWER_FAN | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: dd547372
