---
title: "Agitator/Impeller"
industry: "Chemical Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:AGITATORIMPELLER"
  data_integrity_hash: "384be140a165494da6aecd260050f395"
  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:AGITATORIMPELLER"
  data_source_uri: "https://cnfx.com/llms/industry/chemical-manufacturing/product/agitatorimpeller.md"
  official_resource_url: "https://cnfx.com/industry/chemical-manufacturing/product/agitatorimpeller"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-15 m/s tip speed, 0.1-5.0 kW power input, 20-150 rpm rotational speed"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 18
    unit: "m"
    consequence: "Cavitation-induced pitting at vapor pressure threshold (2.34 kPa at 20°C water), bending fatigue failure at stress amplitude &gt;103 MPa (10^7 cycles, R=-1)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Bearing lubrication degradation below 25 μm oil film thickness"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Forced lubrication system with 0.15 MPa minimum pressure and 40°C temperature control"
  - node_2:
      trigger: "Chemical corrosion exceeding 0.1 mm/year material loss rate in pH&lt;2 or pH&gt;12 environments"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hastelloy C-276 cladding (2.5 mm minimum) with electrochemical potential maintained above -200 mV vs SCE"
bom_nodes:
  impeller-hub:
    type: "component"
    urn: "URN:CNFX:ME:IMPELLER_HUB"
    interface_type: "physical-logic-coupled"
  bladesvanes:
    type: "component"
    urn: "URN:CNFX:ME:BLADESVANES"
    interface_type: "physical-logic-coupled"
  shaft-connection:
    type: "component"
    urn: "URN:CNFX:ME:SHAFT_CONNECTION"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 2858:2012 (CENTRIFUGAL PUMPS - DESIGN AND DIMENSIONS)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B73.1-2012 (SPECIFICATION FOR HORIZONTAL END SUCTION CENTRIFUGAL PUMPS FOR CHEMICAL PROCESS)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/chemical-manufacturing/product/agitatorimpeller.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "fa82bbe38c042ec8670c8e46f224fd2e7c09577c4b9a6ffcac8491adc2c0a049"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Agitator/Impeller

## 1. Technical Definition
A rotating mechanical component within a neutralization reactor that mixes reactants to ensure uniform chemical reactions.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-15 m/s tip speed, 0.1-5.0 kW power input, 20-150 rpm rotational speed**. Failure boundary: **Tip speed exceeding 18 m/s causes material yield strength violation (316L SS: 290 MPa at 20°C), power input above 6.0 kW induces shaft deflection &gt;0.15 mm/m**, Mechanism: **Cavitation-induced pitting at vapor pressure threshold (2.34 kPa at 20°C water), bending fatigue failure at stress amplitude &gt;103 MPa (10^7 cycles, R=-1)**.

### 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 |
| :--- | :--- | :--- | :--- |
| Bearing lubrication degradation below 25 μm oil film thickness | 8 | Radial vibration amplitude exceeding 4.5 mm/s RMS at 1× running speed | Forced lubrication system with 0.15 MPa minimum pressure and 40°C temperature control |
| Chemical corrosion exceeding 0.1 mm/year material loss rate in pH&lt;2 or pH&gt;12 environments | 8 | Stress corrosion cracking initiating at surface defects &gt;50 μm depth | Hastelloy C-276 cladding (2.5 mm minimum) with electrochemical potential maintained above -200 mV vs SCE |

## 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**: **Neutralization Reactor**, **Variable Frequency Drive**, **Seal Flush System**  
**Downstream Applications**: Pharmaceutical Intermediates, Industrial Cleaners, Water Treatment Chemicals  

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

### Q: What materials are best for agitator/impellers in corrosive chemical environments?
**A**: Stainless Steel 316L offers good general corrosion resistance, Hastelloy C-276 excels in highly corrosive acidic/chloride environments, and Titanium provides superior performance in oxidizing conditions and chlorides.

### Q: How does the agitator/impeller ensure uniform reactions in neutralization reactors?
**A**: The rotating blades/vanes create consistent fluid motion and turbulence, thoroughly mixing reactants to prevent localized concentration gradients and ensure complete, efficient neutralization reactions.

### Q: What are the key components in an agitator/impeller BOM for maintenance?
**A**: The main components are blades/vanes (mixing elements), impeller hub (central mounting structure), and shaft connection (interface with drive system) - all available in various materials to match process requirements.

## 6. Manufacturing Compliance
- ISO 2858:2012 (CENTRIFUGAL PUMPS - DESIGN AND DIMENSIONS)
- ANSI/ASME B73.1-2012 (SPECIFICATION FOR HORIZONTAL END SUCTION CENTRIFUGAL PUMPS FOR CHEMICAL PROCESS)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Agitator/Impeller](https://cnfx.com/industry/chemical-manufacturing/product/agitatorimpeller)**

### 🌐 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**: AGITATORIMPELLER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 784c42e7
