---
title: "Regulating Valve (Actuator)"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:REGULATING_VALVE_ACTUATOR"
  data_integrity_hash: "4896fd8313f16cc9c84cbab2d3717a19"
  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:REGULATING_VALVE_ACTUATOR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/regulating-valve-actuator.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/regulating-valve-actuator"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-20 bar differential pressure, -40°C to 120°C ambient temperature, 4-20 mA control signal"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 25
    unit: "bar"
    consequence: "Diaphragm material yield strength (EPDM rubber: 15 MPa tensile) exceeded at 25 bar differential pressure; Arrhenius degradation of nitrile seals accelerates above 150°C; MOSFET junction temperature exceeds 175°C at 30 mA due to I²R heating"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Water ingress into positioner housing due to IP65 seal degradation"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Hermetically sealed sensor compartment with welded stainless steel enclosure and desiccant pack"
  - node_2:
      trigger: "Pneumatic supply contamination with 5 μm particulate exceeding ISO 8573-1:2010 Class 3"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrated 40 μm filter with differential pressure indicator and automatic purge valve"
bom_nodes:
  motordrive-unit:
    type: "part"
    urn: "URN:CNFX:ME:MOTORDRIVE_UNIT"
    interface_type: "physical-logic-coupled"
  gear-reduction-system:
    type: "part"
    urn: "URN:CNFX:ME:GEAR_REDUCTION_SYSTEM"
    interface_type: "physical-logic-coupled"
  position-sensor:
    type: "part"
    urn: "URN:CNFX:ME:POSITION_SENSOR"
    interface_type: "physical-logic-coupled"
  housing:
    type: "component"
    urn: "URN:CNFX:ME:HOUSING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 5211:2017 - INDUSTRIAL VALVES - PART-TURN ACTUATOR ATTACHMENTS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ISA-75.05.01-2000 - CONTROL VALVE TERMINOLOGY"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 15714-3:2009 - INDUSTRIAL VALVES - ACTUATORS - PART 3: PNEUMATIC PART-TURN ACTUATORS FOR INDUSTRIAL VALVES"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/regulating-valve-actuator.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "c5662c07d0a4bd2424f4046b63a9a39153f61de3fe499850a004c19e78ecd55f"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Regulating Valve (Actuator)

## 1. Technical Definition
A valve actuator that controls fluid flow by adjusting the valve position in response to control signals.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-20 bar differential pressure, -40°C to 120°C ambient temperature, 4-20 mA control signal**. Failure boundary: **25 bar differential pressure causes diaphragm rupture, 150°C ambient temperature degrades elastomer seals, 30 mA control signal overloads positioner electronics**, Mechanism: **Diaphragm material yield strength (EPDM rubber: 15 MPa tensile) exceeded at 25 bar differential pressure; Arrhenius degradation of nitrile seals accelerates above 150°C; MOSFET junction temperature exceeds 175°C at 30 mA due to I²R heating**.

### 2.1 Analytical Physics Model
Governed by the **Thin-Wall Pressure Vessel Stress Analysis**:

> **Primary Equation**: $\sigma_h = \frac{P \cdot D}{2t}$  
> **Engineering Impact**: Determines the hoop stress boundary to prevent rupture.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| P | Internal Pressure | Engineering Constant |
| D | Diameter | Engineering Constant |
| t | Wall Thickness | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Water ingress into positioner housing due to IP65 seal degradation | 8 | Hall effect sensor corrosion causing position feedback loss | Hermetically sealed sensor compartment with welded stainless steel enclosure and desiccant pack |
| Pneumatic supply contamination with 5 μm particulate exceeding ISO 8573-1:2010 Class 3 | 8 | Spool valve stiction leading to 2-second response delay | Integrated 40 μm filter with differential pressure indicator and automatic purge valve |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Motor/Drive Unit](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/motordrive-unit.md) `(Standalone System)`
- [Gear Reduction System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/gear-reduction-system.md) `(Standalone System)`
- [Position Sensor](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/position-sensor.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Control System (PLC/DCS)**, **Pressure Regulator**, **Position Feedback Sensor**  
**Downstream Applications**: Process Control Systems, Industrial Piping Networks, Fluid Distribution Systems  

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

### Q: What industries commonly use this regulating valve actuator?
**A**: This actuator is designed for machinery and equipment manufacturing, including applications in industrial automation, process control systems, fluid handling equipment, and manufacturing lines where precise fluid flow regulation is required.

### Q: How does the position sensor improve valve control accuracy?
**A**: The integrated position sensor provides real-time feedback on valve position, enabling precise adjustment to control signals. This ensures accurate flow regulation, reduces overshoot, and allows for closed-loop control systems in industrial applications.

### Q: What maintenance is required for the gear reduction system?
**A**: The gear reduction system requires periodic lubrication according to manufacturer specifications, inspection for wear every 6-12 months depending on usage intensity, and protection from contamination. Stainless steel and aluminum alloy construction minimizes corrosion-related maintenance.

## 6. Manufacturing Compliance
- ISO 5211:2017 - INDUSTRIAL VALVES - PART-TURN ACTUATOR ATTACHMENTS
- ANSI/ISA-75.05.01-2000 - CONTROL VALVE TERMINOLOGY
- DIN EN 15714-3:2009 - INDUSTRIAL VALVES - ACTUATORS - PART 3: PNEUMATIC PART-TURN ACTUATORS FOR INDUSTRIAL VALVES

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Regulating Valve (Actuator)](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/regulating-valve-actuator)**

### 🌐 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**: REGULATING_VALVE_ACTUATOR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 159cde61
