---
title: "Pressure Regulator Valve"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:PRESSURE_REGULATOR_VALVE"
  data_integrity_hash: "2becc160d811743db0b9893d18bdc81e"
  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:PRESSURE_REGULATOR_VALVE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/pressure-regulator-valve.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/pressure-regulator-valve"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-100 bar"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 150
    unit: "bar"
    consequence: "Diaphragm material yield strength exceeded at 150 bar differential pressure, causing plastic deformation and rupture"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Particulate contamination exceeding 25 μm in fluid stream"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 10 μm absolute filter upstream with differential pressure monitoring"
  - node_2:
      trigger: "Spring relaxation due to 10⁷ pressure cycles at 80% of yield strength"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Use ASTM A228 music wire spring with shot peening and preset to 90% of maximum deflection"
bom_nodes:
  diaphragm:
    type: "component"
    urn: "URN:CNFX:ME:DIAPHRAGM"
    interface_type: "physical-logic-coupled"
  spring:
    type: "component"
    urn: "URN:CNFX:ME:SPRING"
    interface_type: "physical-logic-coupled"
  valve-seat:
    type: "component"
    urn: "URN:CNFX:ME:VALVE_SEAT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/pressure-regulator-valve.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "1ef7db6a9290f4db1d591d163cb0d2ee2839baaa3d981ede707fc6ccfe880da6"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Pressure Regulator Valve

## 1. Technical Definition
A valve component that automatically maintains a constant downstream pressure in a fluid system by adjusting flow area.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-100 bar**. Failure boundary: **150 bar upstream pressure differential causing diaphragm rupture**, Mechanism: **Diaphragm material yield strength exceeded at 150 bar differential pressure, causing plastic deformation and rupture**.

### 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 |
| :--- | :--- | :--- | :--- |
| Particulate contamination exceeding 25 μm in fluid stream | 8 | Seat erosion leading to pressure overshoot of 15% above setpoint | Install 10 μm absolute filter upstream with differential pressure monitoring |
| Spring relaxation due to 10⁷ pressure cycles at 80% of yield strength | 8 | Setpoint drift of 0.5 bar per 1000 operating hours | Use ASTM A228 music wire spring with shot peening and preset to 90% of maximum deflection |

## 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**: **Pressure Gauge**, **Compressed Air Filter**, **Flow Meter**  
**Downstream Applications**: Hydraulic Power Units, Pneumatic Control Systems, Industrial Process Equipment  

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

### Q: What materials are available for this pressure regulator valve?
**A**: This pressure regulator valve is available in stainless steel or brass construction, with PTFE (Teflon) diaphragm components for durability and chemical resistance in industrial fluid systems.

### Q: How does this valve maintain constant downstream pressure?
**A**: The valve automatically adjusts flow area through a spring-loaded diaphragm mechanism that responds to pressure changes, maintaining consistent downstream pressure regardless of upstream fluctuations.

### Q: What are the key components in this regulator's BOM?
**A**: The bill of materials includes three critical components: a responsive diaphragm for pressure sensing, a calibrated spring for force adjustment, and a precision valve seat for flow control.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Pressure Regulator Valve](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/pressure-regulator-valve)**

### 🌐 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**: PRESSURE_REGULATOR_VALVE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 5dae15fd
