---
title: "Outlet Weir"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:OUTLET_WEIR"
  data_integrity_hash: "3a95308400cc16eadd3e4be92cd7c9cd"
  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:OUTLET_WEIR"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/outlet-weir.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/outlet-weir"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-3.0 mÂ³/s liquid flow rate, 0.1-2.0 m hydraulic head differential"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 3.5
    unit: "mÂ"
    consequence: "Hydraulic-induced structural fatigue from Von KÃ¡rmÃ¡n vortex shedding at Strouhal numbers &gt;0.21, leading to resonant vibration at natural frequency of 15-25 Hz"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Sediment accumulation exceeding 150 mm at weir crest"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install ultrasonic sediment monitoring with automated high-pressure jet cleaning at 200 bar"
  - node_2:
      trigger: "Corrosion pitting depth reaching 2.5 mm in 316L stainless steel components"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Apply cathodic protection system maintaining -850 mV potential relative to Cu/CuSO4 reference electrode"
bom_nodes:
  weir-plate:
    type: "component"
    urn: "URN:CNFX:ME:WEIR_PLATE"
    interface_type: "physical-logic-coupled"
  mounting-brackets:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKETS"
    interface_type: "physical-logic-coupled"
  sealing-gasket:
    type: "component"
    urn: "URN:CNFX:ME:SEALING_GASKET"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/outlet-weir.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "ba107b794132388a7e9a2433a3d2c3e27742ea0d3e2e83fd715441121651cb0c"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Outlet Weir

## 1. Technical Definition
A flow control structure at the discharge point of a feed box that regulates liquid outflow.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-3.0 mÂ³/s liquid flow rate, 0.1-2.0 m hydraulic head differential**. Failure boundary: **Structural failure occurs at 3.5 mÂ³/s flow rate or 2.5 m head differential, material fatigue failure at 10â· cycles under 1.5 m head oscillation**, Mechanism: **Hydraulic-induced structural fatigue from Von KÃ¡rmÃ¡n vortex shedding at Strouhal numbers &gt;0.21, leading to resonant vibration at natural frequency of 15-25 Hz**.

### 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 |
| :--- | :--- | :--- | :--- |
| Sediment accumulation exceeding 150 mm at weir crest | 8 | Hydraulic capacity reduction to 0.3 mÂ³/s, causing upstream flooding | Install ultrasonic sediment monitoring with automated high-pressure jet cleaning at 200 bar |
| Corrosion pitting depth reaching 2.5 mm in 316L stainless steel components | 8 | Structural integrity loss leading to catastrophic weir collapse at 2.0 m head | Apply cathodic protection system maintaining -850 mV potential relative to Cu/CuSO4 reference electrode |

## 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**: **Feed Box**, **Flow Meter**, **Control Valve**  
**Downstream Applications**: Paper Products, Chemical Solutions, Wastewater Treatment Systems  

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

### Q: What materials are available for outlet weirs in machinery manufacturing?
**A**: Our outlet weirs are available in stainless steel for durability, polypropylene for chemical resistance, and PVC for cost-effective applications in various industrial environments.

### Q: How does an outlet weir regulate liquid outflow in feed boxes?
**A**: The outlet weir creates a controlled discharge point that maintains consistent liquid levels and flow rates by acting as a barrier at the feed box exit, preventing overflow and ensuring uniform distribution.

### Q: What components are included in a standard outlet weir BOM?
**A**: Each outlet weir kit includes a precision-cut weir plate, corrosion-resistant mounting brackets for secure installation, and a durable sealing gasket to prevent leaks at connection points.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS

---
### ðŸ› ï¸ Engineering Resource Access
ðŸ”— **[Full Specification: Outlet Weir](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/outlet-weir)**

### ðŸŒ 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**: OUTLET_WEIR | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: c7478e74
