---
title: "Vacuum Valves"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:VACUUM_VALVES"
  data_integrity_hash: "e2a2e1f9c21994d4a1af752612b2180b"
  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:VACUUM_VALVES"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/vacuum-valves.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/vacuum-valves"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "1e-6 to 1013 mbar (10^-6 to 1013 hPa)"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 1
    unit: "e"
    consequence: "Elastomer seal compression set exceeding 15% permanent deformation at 70°C, causing molecular flow leakage through micro-gaps exceeding 10^-7 m"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Particulate contamination exceeding ISO 4406 Class 14/12/9 in vacuum line"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install 0.3 μm absolute rated sintered metal filter with differential pressure monitoring at 50 mbar threshold"
  - node_2:
      trigger: "Solenoid coil temperature exceeding 130°C due to 24V DC continuous energization"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement PWM duty cycle control limiting ON-time to 85% with thermal cutoff at 115°C surface temperature"
bom_nodes:
  valve-body:
    type: "part"
    urn: "URN:CNFX:ME:VALVE_BODY"
    interface_type: "physical-logic-coupled"
  sealing-element:
    type: "component"
    urn: "URN:CNFX:ME:SEALING_ELEMENT"
    interface_type: "physical-logic-coupled"
  actuator:
    type: "part"
    urn: "URN:CNFX:ME:ACTUATOR"
    interface_type: "physical-logic-coupled"
  port-connections:
    type: "component"
    urn: "URN:CNFX:ME:PORT_CONNECTIONS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 21358:2020 (VACUUM TECHNOLOGY - VACUUM VALVES - SPECIFICATIONS AND TESTING)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/vacuum-valves.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d1d79e18c27282609435279253ffcadf761601c53171d6df181bbd468d1272a3"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Vacuum Valves

## 1. Technical Definition
Control components that regulate vacuum flow and pressure within vacuum gripper systems

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **1e-6 to 1013 mbar (10^-6 to 1013 hPa)**. Failure boundary: **Leak rate exceeding 1e-9 mbar·L/s at 1 mbar differential pressure**, Mechanism: **Elastomer seal compression set exceeding 15% permanent deformation at 70°C, causing molecular flow leakage through micro-gaps exceeding 10^-7 m**.

### 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 ISO 4406 Class 14/12/9 in vacuum line | 8 | Seat erosion creating 5 μm wear grooves, increasing leak rate to 1e-7 mbar·L/s | Install 0.3 μm absolute rated sintered metal filter with differential pressure monitoring at 50 mbar threshold |
| Solenoid coil temperature exceeding 130°C due to 24V DC continuous energization | 8 | Insulation Class H breakdown at 180°C, causing inter-turn short circuit with 2.3 Ω resistance drop | Implement PWM duty cycle control limiting ON-time to 85% with thermal cutoff at 115°C surface temperature |

## 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**: **Vacuum Pump**, **Vacuum Gauge**, **Vacuum Reservoir**  
**Downstream Applications**: Vacuum Gripper Systems, Pick-and-Place Automation Cells, Packaging Machinery  

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

### Q: What materials are used in these vacuum valves and why?
**A**: Our vacuum valves utilize aluminum alloy for lightweight durability, stainless steel for corrosion resistance in harsh environments, and engineering plastics for optimal sealing and chemical compatibility in vacuum applications.

### Q: How do these valves regulate vacuum flow in gripper systems?
**A**: These valves precisely control vacuum flow and pressure through a combination of valve body design, sealing elements, and actuator mechanisms, ensuring reliable gripping and release operations in automated machinery.

### Q: What are the key components in the vacuum valve BOM?
**A**: The Bill of Materials includes four essential components: Valve Body (main structure), Sealing Element (prevents leaks), Actuator (controls valve operation), and Port Connections (interface with vacuum lines).

## 6. Manufacturing Compliance
- ISO 21358:2020 (VACUUM TECHNOLOGY - VACUUM VALVES - SPECIFICATIONS AND TESTING)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Vacuum Valves](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/vacuum-valves)**

### 🌐 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**: VACUUM_VALVES | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: ea51fc6f
