---
title: "Impeller / Mud Pump"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:IMPELLER_MUD_PUMP"
  data_integrity_hash: "32d83beb4d0c20a1a34be1f6b5b188b0"
  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:IMPELLER_MUD_PUMP"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/impeller-mud-pump.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/impeller-mud-pump"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "15-75 bar differential pressure, 500-1800 RPM rotational speed, 20-80°C fluid temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 3.5
    unit: "m"
    consequence: "Cavitation due to vapor pressure drop below 0.023 bar at 20°C, fatigue failure from cyclic stress exceeding 345 MPa yield strength, abrasive wear from 7+ Mohs hardness particles"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Insufficient Net Positive Suction Head (NPSHr &gt; NPSHa)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install booster pump maintaining 5.2 m NPSHa minimum, implement 0.5 Hz low-frequency vibration monitoring"
  - node_2:
      trigger: "Abrasive solids concentration exceeding 5% by volume in drilling mud"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 74-micron dual-stage filtration, apply tungsten carbide coating (1500 HV hardness) on impeller surfaces"
bom_nodes:
  impeller-hub:
    type: "component"
    urn: "URN:CNFX:ME:IMPELLER_HUB"
    interface_type: "physical-logic-coupled"
  impeller-vanesblades:
    type: "component"
    urn: "URN:CNFX:ME:IMPELLER_VANESBLADES"
    interface_type: "physical-logic-coupled"
  wear-rings:
    type: "component"
    urn: "URN:CNFX:ME:WEAR_RINGS"
    interface_type: "physical-logic-coupled"
  shaft-connection:
    type: "component"
    urn: "URN:CNFX:ME:SHAFT_CONNECTION"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 2858:1994 - END-SUCTION CENTRIFUGAL PUMPS (RATING 16 BAR) - DESIGNATION, NOMINAL DUTY POINT 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"
  - standard: "DIN 24256:1988 - END-SUCTION CENTRIFUGAL PUMPS; NOMINAL DUTY POINT, MAIN DIMENSIONS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/impeller-mud-pump.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "27aa7feac37895deedb89007d200d9f43c4b7e73ec1aab7455938c456125da40"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Impeller / Mud Pump

## 1. Technical Definition
A rotating component within a degasser that creates centrifugal force to pump drilling mud and facilitate gas separation.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **15-75 bar differential pressure, 500-1800 RPM rotational speed, 20-80°C fluid temperature**. Failure boundary: **Cavitation occurs at NPSHa &lt; 3.5 m, bearing failure at &gt;90°C lubricant temperature, impeller erosion at &gt;2.5 m/s fluid velocity**, Mechanism: **Cavitation due to vapor pressure drop below 0.023 bar at 20°C, fatigue failure from cyclic stress exceeding 345 MPa yield strength, abrasive wear from 7+ Mohs hardness particles**.

### 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 |
| :--- | :--- | :--- | :--- |
| Insufficient Net Positive Suction Head (NPSHr &gt; NPSHa) | 8 | Cavitation-induced impeller pitting and vibration exceeding 4.5 mm/s RMS | Install booster pump maintaining 5.2 m NPSHa minimum, implement 0.5 Hz low-frequency vibration monitoring |
| Abrasive solids concentration exceeding 5% by volume in drilling mud | 8 | Progressive impeller erosion reducing efficiency below 65% within 200 operating hours | Install 74-micron dual-stage filtration, apply tungsten carbide coating (1500 HV hardness) on impeller surfaces |

## 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**: **Degasser Unit**, **Mud Mixing System**, **High-Pressure Power Unit**  
**Downstream Applications**: Drilling Mud, Separated Gas Stream, Cleaned Drilling Fluid  

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

### Q: What materials are best for impellers in harsh drilling environments?
**A**: High-chrome cast iron, stainless steel, and hardened steel alloys offer superior wear resistance and corrosion protection in abrasive drilling mud applications.

### Q: How does an impeller facilitate gas separation in a degasser?
**A**: The impeller rotates to create centrifugal force, pumping drilling mud while forcing gas bubbles to the center for separation and removal from the fluid.

### Q: What maintenance is required for mud pump impellers?
**A**: Regular inspection of wear rings and vane edges is essential. Replace components when erosion exceeds manufacturer specifications to maintain pumping efficiency.

## 6. Manufacturing Compliance
- ISO 2858:1994 - END-SUCTION CENTRIFUGAL PUMPS (RATING 16 BAR) - DESIGNATION, NOMINAL DUTY POINT AND DIMENSIONS
- ANSI/ASME B73.1-2012 - SPECIFICATION FOR HORIZONTAL END SUCTION CENTRIFUGAL PUMPS FOR CHEMICAL PROCESS
- DIN 24256:1988 - END-SUCTION CENTRIFUGAL PUMPS; NOMINAL DUTY POINT, MAIN DIMENSIONS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Impeller / Mud Pump](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/impeller-mud-pump)**

### 🌐 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**: IMPELLER_MUD_PUMP | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 61bec8f6
