---
title: "Controlled Atmosphere Packaging (CAP) Station"
industry: "Food Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:CONTROLLED_ATMOSPHERE_PACKAGING_CAP_STATION"
  data_integrity_hash: "e0e46bcce3a073501b52e0dcb2a00271"
  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:CONTROLLED_ATMOSPHERE_PACKAGING_CAP_STATION"
  data_source_uri: "https://cnfx.com/llms/industry/food-manufacturing/product/controlled-atmosphere-packaging-cap-station.md"
  official_resource_url: "https://cnfx.com/industry/food-manufacturing/product/controlled-atmosphere-packaging-cap-station"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.8-1.2 bar absolute pressure, 0.1-5.0% O₂ concentration, 10-30% CO₂ concentration"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.05
    unit: "bar"
    consequence: "Permeation failure through packaging materials following Fick's Law (J = -D·dC/dx) where diffusion coefficient D exceeds 1.2×10⁻¹⁰ cm²/s for O₂ at 4°C, causing oxidative spoilage"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Gas mixing valve hysteresis exceeding 0.15% of full scale due to particulate contamination"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dual redundant gas analyzers with 0.01% resolution and automated valve cycling every 100 cycles"
  - node_2:
      trigger: "Sealing jaw temperature gradient &gt;15°C across 300mm width due to heater element degradation"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Infrared thermal imaging with ±1°C accuracy and PID control maintaining 180±2°C across entire sealing surface"
bom_nodes:
  vacuum-chamber:
    type: "device"
    urn: "URN:CNFX:ME:VACUUM_CHAMBER"
    interface_type: "physical-logic-coupled"
  gas-mixing-injection-system:
    type: "part"
    urn: "URN:CNFX:ME:GAS_MIXING_INJECTION_SYSTEM"
    interface_type: "physical-logic-coupled"
  hermetic-sealing-head:
    type: "part"
    urn: "URN:CNFX:ME:HERMETIC_SEALING_HEAD"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 22000:2018 - FOOD SAFETY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - COMPLIANCE WITH EU MACHINERY DIRECTIVE 2006/42/EC"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/food-manufacturing/product/controlled-atmosphere-packaging-cap-station.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "33c8fdf6afb7910cacce50365965b53980a4f737a63823f4303b82a31a83659d"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Controlled Atmosphere Packaging (CAP) Station

## 1. Technical Definition
A specialized packaging station that modifies the internal atmosphere of sealed containers to extend the shelf life of perishable fish products.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.8-1.2 bar absolute pressure, 0.1-5.0% O₂ concentration, 10-30% CO₂ concentration**. Failure boundary: **Seal integrity loss at &gt;0.05 bar differential pressure across container walls, gas mixture deviation beyond ±0.3% O₂ or ±2% CO₂ from setpoint**, Mechanism: **Permeation failure through packaging materials following Fick's Law (J = -D·dC/dx) where diffusion coefficient D exceeds 1.2×10⁻¹⁰ cm²/s for O₂ at 4°C, causing oxidative spoilage**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Gas mixing valve hysteresis exceeding 0.15% of full scale due to particulate contamination | 8 | Atmosphere composition drift beyond 0.5% O₂ specification within 24 hours | Dual redundant gas analyzers with 0.01% resolution and automated valve cycling every 100 cycles |
| Sealing jaw temperature gradient &gt;15°C across 300mm width due to heater element degradation | 8 | Incomplete seal formation with leak rate &gt;0.1 mL/min at 1.5 bar test pressure | Infrared thermal imaging with ±1°C accuracy and PID control maintaining 180±2°C across entire sealing surface |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Vacuum Chamber](https://cnfx.com/llms/industry/basic-metal-manufacturing/product/vacuum-chamber.md) `(Standalone System)`
- [Gas Mixing &amp; Injection System](https://cnfx.com/llms/industry/food-manufacturing/product/gas-mixing-injection-system.md) `(Standalone System)`
- [Hermetic Sealing Head](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hermetic-sealing-head.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Gas Mixing System**, **Sealing Machine**, **Conveyor System**  
**Downstream Applications**: Modified Atmosphere Packaged Salmon, Vacuum Packaged Cod Fillets, Gas-Flushed Tuna Steaks  

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

### Q: How does Controlled Atmosphere Packaging extend fish shelf life?
**A**: CAP replaces oxygen with inert gases like nitrogen or carbon dioxide inside sealed containers, slowing microbial growth and oxidation that cause spoilage in perishable fish products.

### Q: What maintenance is required for the stainless steel components?
**A**: Regular cleaning with food-safe sanitizers and inspection of seals/gaskets is recommended. The AISI 304/316 stainless steel construction resists corrosion but benefits from periodic passivation to maintain hygiene standards.

### Q: Can this station handle different container sizes for fish packaging?
**A**: Yes, the hermetic sealing head and vacuum chamber are adjustable to accommodate various container dimensions commonly used in fish processing, from retail trays to bulk packaging.

## 6. Manufacturing Compliance
- ISO 22000:2018 - FOOD SAFETY MANAGEMENT SYSTEMS
- CE MARKING - COMPLIANCE WITH EU MACHINERY DIRECTIVE 2006/42/EC

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Controlled Atmosphere Packaging (CAP) Station](https://cnfx.com/industry/food-manufacturing/product/controlled-atmosphere-packaging-cap-station)**

### 🌐 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**: CONTROLLED_ATMOSPHERE_PACKAGING_CAP_STATION | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 162dabe1
