---
title: "Header Manifold"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:HEADER_MANIFOLD"
  data_integrity_hash: "8d243598c4db46ddb763a2e0ddca9efc"
  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:HEADER_MANIFOLD"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/header-manifold.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/header-manifold"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-6.0 bar (50-600 kPa) at 5-35°C fluid temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 8.2
    unit: "bar"
    consequence: "Von Mises yield criterion exceeding 250 MPa yield strength at stress concentration points near branch junctions"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrochemical potential difference &gt; 0.25V between dissimilar metals (copper-nickel alloy pipes to carbon steel manifold)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dielectric isolation using PTFE-lined stainless steel unions between dissimilar material interfaces"
  - node_2:
      trigger: "Water hammer pressure surge exceeding 1.5x system pressure from rapid valve closure (&lt;0.5s)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Surge arrestor installation with 0.1s response time and accumulator maintaining 0.7x system pressure"
bom_nodes:
  manifold-body:
    type: "part"
    urn: "URN:CNFX:ME:MANIFOLD_BODY"
    interface_type: "physical-logic-coupled"
  branch-outlet-nozzles:
    type: "component"
    urn: "URN:CNFX:ME:BRANCH_OUTLET_NOZZLES"
    interface_type: "physical-logic-coupled"
  inlet-nozzle:
    type: "component"
    urn: "URN:CNFX:ME:INLET_NOZZLE"
    interface_type: "physical-logic-coupled"
  mounting-bracketssupports:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKETSSUPPORTS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "PED 2014/68/EU - PRESSURE EQUIPMENT DIRECTIVE (CE MARKING)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/header-manifold.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "40ea6e9b2f6e6c45d398ef2ab43ca7202975944eaa9af609eba8e8a12d62684e"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Header Manifold

## 1. Technical Definition
A distribution component in cooling water systems that collects and redirects fluid flow through multiple branches.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-6.0 bar (50-600 kPa) at 5-35°C fluid temperature**. Failure boundary: **8.2 bar (820 kPa) internal pressure causing plastic deformation in ASTM A536 ductile iron**, Mechanism: **Von Mises yield criterion exceeding 250 MPa yield strength at stress concentration points near branch junctions**.

### 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 |
| :--- | :--- | :--- | :--- |
| Electrochemical potential difference &gt; 0.25V between dissimilar metals (copper-nickel alloy pipes to carbon steel manifold) | 8 | Galvanic corrosion at threaded connections causing 0.5 mm/year material loss | Dielectric isolation using PTFE-lined stainless steel unions between dissimilar material interfaces |
| Water hammer pressure surge exceeding 1.5x system pressure from rapid valve closure (&lt;0.5s) | 8 | Stress wave propagation causing fatigue cracking at 90° branch welds after 10^5 cycles | Surge arrestor installation with 0.1s response time and accumulator maintaining 0.7x system pressure |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Manifold Body](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/manifold-body.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Industrial Water Pump**, **Cooling Tower**, **Flow Control Valves**  
**Downstream Applications**: Industrial Chillers, Heat Exchangers, Hydraulic Power Units  

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

### Q: What materials are best for header manifolds in corrosive environments?
**A**: Stainless steel or PVC/CPVC manifolds offer excellent corrosion resistance for harsh chemical or marine applications, while copper alloy provides good thermal conductivity for temperature-sensitive systems.

### Q: How do I determine the right number of branch outlets for my cooling system?
**A**: The optimal number depends on your equipment layout and flow requirements. Consider the number of cooling points, flow rate per branch, and pressure drop. Most industrial systems use 2-8 branch outlets with standardized nozzle sizes.

### Q: What maintenance is required for header manifolds in machinery cooling systems?
**A**: Regular inspection for leaks, corrosion, and mineral buildup is essential. Flush the system annually, check mounting bracket integrity, and replace gaskets/seals as needed. Material choice affects maintenance frequency.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- PED 2014/68/EU - PRESSURE EQUIPMENT DIRECTIVE (CE MARKING)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Header Manifold](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/header-manifold)**

### 🌐 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**: HEADER_MANIFOLD | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 44c9abfd
