---
title: "Isolation Valve (per line)"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ISOLATION_VALVE_PER_LINE"
  data_integrity_hash: "6eb865f9cb43decbeb716859117c09b4"
  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:ISOLATION_VALVE_PER_LINE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/isolation-valve-per-line.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/isolation-valve-per-line"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-100 bar"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 150
    unit: "bar"
    consequence: "Plastic deformation of valve seat material (316L stainless steel) exceeding yield strength of 290 MPa at 150 bar differential pressure across 50 mm seat diameter"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Particulate contamination (≥50 μm silica particles) in process fluid"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 10 μm duplex stainless steel upstream filter with differential pressure monitoring"
  - node_2:
      trigger: "Thermal cycling between -20°C and 150°C at 5 cycles/hour"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Redesign with finite element analysis to maintain von Mises stress below 200 MPa at all operating temperatures"
bom_nodes:
  valve-body:
    type: "part"
    urn: "URN:CNFX:ME:VALVE_BODY"
    interface_type: "physical-logic-coupled"
  closure-element:
    type: "component"
    urn: "URN:CNFX:ME:CLOSURE_ELEMENT"
    interface_type: "physical-logic-coupled"
  stem:
    type: "component"
    urn: "URN:CNFX:ME:STEM"
    interface_type: "physical-logic-coupled"
  seat:
    type: "component"
    urn: "URN:CNFX:ME:SEAT"
    interface_type: "physical-logic-coupled"
  actuator:
    type: "part"
    urn: "URN:CNFX:ME:ACTUATOR"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 5208:2015 (INDUSTRIAL VALVES - PRESSURE TESTING OF VALVES)"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/API 598:2016 (VALVE INSPECTION AND TESTING)"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 12266-1:2012 (INDUSTRIAL VALVES - TESTING OF METALLIC VALVES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/isolation-valve-per-line.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "9ad852d07cbf6ee9176b1de72b483d25ebc8a20a988793ae7c8a52975e39dd2c"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Isolation Valve (per line)

## 1. Technical Definition
A valve installed on individual lines within a delivery manifold system to isolate specific sections for maintenance, repair, or flow control.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-100 bar**. Failure boundary: **150 bar differential pressure**, Mechanism: **Plastic deformation of valve seat material (316L stainless steel) exceeding yield strength of 290 MPa at 150 bar differential pressure across 50 mm seat diameter**.

### 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 (≥50 μm silica particles) in process fluid | 8 | Seat erosion leading to 0.1 L/min leakage at 50 bar | Install 10 μm duplex stainless steel upstream filter with differential pressure monitoring |
| Thermal cycling between -20°C and 150°C at 5 cycles/hour | 8 | Thermal fatigue cracking in valve body at stress concentration points | Redesign with finite element analysis to maintain von Mises stress below 200 MPa at all operating temperatures |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Pressure Regulator**, **Flow Meter**, **Actuator Control System**  
**Downstream Applications**: Chemical Processing Systems, Pharmaceutical Manufacturing Lines, Food and Beverage Processing Equipment  

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

### Q: What materials are available for isolation valves in machinery manufacturing?
**A**: Isolation valves for machinery lines are available in stainless steel, carbon steel, brass, and ductile iron to suit different pressure, corrosion, and application requirements.

### Q: How does an isolation valve work in a delivery manifold system?
**A**: An isolation valve is installed on individual lines within a manifold to shut off flow, allowing specific sections to be isolated for safe maintenance, repair, or flow adjustment without disrupting the entire system.

### Q: What are the key components of an industrial isolation valve?
**A**: Key BOM components include the valve body, closure element (like a disc or ball), seat, stem, and actuator (manual or automated) for reliable operation in machinery applications.

## 6. Manufacturing Compliance
- ISO 5208:2015 (INDUSTRIAL VALVES - PRESSURE TESTING OF VALVES)
- ANSI/API 598:2016 (VALVE INSPECTION AND TESTING)
- DIN EN 12266-1:2012 (INDUSTRIAL VALVES - TESTING OF METALLIC VALVES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Isolation Valve (per line)](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/isolation-valve-per-line)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: ISOLATION_VALVE_PER_LINE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: eb7fc333
