---
title: "Flow Controller"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:FLOW_CONTROLLER"
  data_integrity_hash: "c866673461ef97d6e431b734d1b67ed4"
  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:FLOW_CONTROLLER"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/flow-controller.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/flow-controller"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-100 L/min at 1-10 bar differential pressure"
    unit: "L/min or m³/h"
engineering_limits:
  max_safe_operating_point:
    value: 120
    unit: "L"
    consequence: "Fluid hammer-induced fatigue cracking at valve seat due to pressure transients exceeding 20 bar/ms, or laminar-turbulent transition at Reynolds number &gt;4000 causing control instability"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Particulate contamination &gt;25 μm in fluid stream"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 10 μm absolute filtration with differential pressure monitoring at 0.3 bar threshold"
  - node_2:
      trigger: "Solenoid coil insulation breakdown at 85°C ambient temperature"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Class H insulation with thermal cutoff at 80°C and redundant 4-20 mA signal validation"
bom_nodes:
  flow-sensor:
    type: "part"
    urn: "URN:CNFX:ME:FLOW_SENSOR"
    interface_type: "physical-logic-coupled"
  control-valve-actuator:
    type: "part"
    urn: "URN:CNFX:ME:CONTROL_VALVE_ACTUATOR"
    interface_type: "physical-logic-coupled"
  control-unit-processor:
    type: "part"
    urn: "URN:CNFX:ME:CONTROL_UNIT_PROCESSOR"
    interface_type: "physical-logic-coupled"
  user-interface-display:
    type: "part"
    urn: "URN:CNFX:ME:USER_INTERFACE_DISPLAY"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "CE (PRESSURE EQUIPMENT DIRECTIVE 2014/68/EU)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/flow-controller.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "ea03b786847de099638a101fbaacf25ec6c5719148fac48fe23ed36e355d1126"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Flow Controller

## 1. Technical Definition
A device that regulates, monitors, or controls the flow rate of fluids within a pumping system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-100 L/min at 1-10 bar differential pressure**. Failure boundary: **Flow rate exceeds 120 L/min causing valve seat deformation &gt;0.1 mm, or pressure differential &gt;15 bar causing actuator shaft deflection &gt;0.05 mm**, Mechanism: **Fluid hammer-induced fatigue cracking at valve seat due to pressure transients exceeding 20 bar/ms, or laminar-turbulent transition at Reynolds number &gt;4000 causing control instability**.

### 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;25 μm in fluid stream | 8 | Control valve spool jamming at 0.5 mm displacement | Install 10 μm absolute filtration with differential pressure monitoring at 0.3 bar threshold |
| Solenoid coil insulation breakdown at 85°C ambient temperature | 8 | 4-20 mA control signal loss with 100 kΩ ground fault resistance | Class H insulation with thermal cutoff at 80°C and redundant 4-20 mA signal validation |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | L/min or m³/h | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Flow Sensor](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/flow-sensor.md) `(Standalone System)`
- [Control Valve / Actuator](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/control-valve-actuator.md) `(Standalone System)`
- [Control Unit (Processor)](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/control-unit-processor.md) `(Standalone System)`
- [User Interface / Display](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/user-interface-display.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Industrial Pump**, **Pressure Transmitter**, **Control Valve**  
**Downstream Applications**: Chemical Processing Equipment, Water Treatment Systems, HVAC Systems  

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

### Q: What materials are used in this flow controller for durability?
**A**: The flow controller features a stainless steel body and valve for corrosion resistance, brass components, PTFE/Teflon seals for chemical compatibility, and electronic PCB/sensors for precise monitoring.

### Q: How does the flow controller regulate fluid flow in pumping systems?
**A**: It uses a control valve/actuator to adjust flow based on real-time data from the flow sensor, processed by the control unit, with settings managed via the user interface/display.

### Q: What industries commonly use this type of flow controller?
**A**: This flow controller is ideal for machinery and equipment manufacturing, including applications in chemical processing, water treatment, HVAC systems, and industrial automation where precise fluid control is critical.

## 6. Manufacturing Compliance
- CE (PRESSURE EQUIPMENT DIRECTIVE 2014/68/EU)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Flow Controller](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/flow-controller)**

### 🌐 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**: FLOW_CONTROLLER | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: ce6e2457
