---
title: "Cryogen Storage Vessel"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:CRYOGEN_STORAGE_VESSEL"
  data_integrity_hash: "2c34d6fe79fa4e65382f530989272863"
  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:CRYOGEN_STORAGE_VESSEL"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/cryogen-storage-vessel.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/cryogen-storage-vessel"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-2.0 MPa (1-20 bar) at 77-90 K"
    unit: "L"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "MPa"
    consequence: "Thermal stress-induced fatigue from cyclic temperature fluctuations between 77 K and 293 K, causing crack propagation at stress concentrations exceeding 0.2% of material yield strength"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Vacuum jacket pressure rise above 1×10⁻³ mbar due to molecular sieve saturation"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dual-stage vacuum system with continuous pressure monitoring and automatic regeneration at 1×10⁻⁴ mbar threshold"
  - node_2:
      trigger: "Liquid nitrogen stratification creating 15 K temperature gradient across vessel height"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Active circulation system maintaining maximum 2 K temperature differential with piezoelectric vibration dampers tuned to 25 Hz resonance frequency"
bom_nodes:
  inner-vessel:
    type: "component"
    urn: "URN:CNFX:ME:INNER_VESSEL"
    interface_type: "physical-logic-coupled"
  outer-jacket:
    type: "component"
    urn: "URN:CNFX:ME:OUTER_JACKET"
    interface_type: "physical-logic-coupled"
  superinsulation:
    type: "component"
    urn: "URN:CNFX:ME:SUPERINSULATION"
    interface_type: "physical-logic-coupled"
  pressure-relief-valve:
    type: "part"
    urn: "URN:CNFX:ME:PRESSURE_RELIEF_VALVE"
    interface_type: "physical-logic-coupled"
  filldispense-port:
    type: "component"
    urn: "URN:CNFX:ME:FILLDISPENSE_PORT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 21029-1:2018 CRYOGENIC VESSELS - TRANSPORTABLE VACUUM INSULATED VESSELS OF NOT MORE THAN 1000 LITRES VOLUME"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/CGA G-4.1:2021 CLEANING EQUIPMENT FOR OXYGEN SERVICE"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 1251-2:2000 CRYOGENIC VESSELS - TRANSPORTABLE VACUUM INSULATED VESSELS OF NOT MORE THAN 1000 LITRES VOLUME - DESIGN, FABRICATION, INSPECTION AND TESTING"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/cryogen-storage-vessel.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "bdb47b428ec9e1b2e4ae5c6916d5bec3e5f4c73fc068b0cc643ae0761c92b212"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Cryogen Storage Vessel

## 1. Technical Definition
A specialized container designed to store cryogenic liquids at extremely low temperatures within a cryogenic injection system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-2.0 MPa (1-20 bar) at 77-90 K**. Failure boundary: **Material yield strength threshold: 250 MPa for 304L stainless steel at 77 K**, Mechanism: **Thermal stress-induced fatigue from cyclic temperature fluctuations between 77 K and 293 K, causing crack propagation at stress concentrations exceeding 0.2% of material yield strength**.

### 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 |
| :--- | :--- | :--- | :--- |
| Vacuum jacket pressure rise above 1×10⁻³ mbar due to molecular sieve saturation | 8 | Thermal conductivity increase from 0.001 W/m·K to 0.1 W/m·K, causing boil-off rate escalation from 0.1% to 5% per day | Dual-stage vacuum system with continuous pressure monitoring and automatic regeneration at 1×10⁻⁴ mbar threshold |
| Liquid nitrogen stratification creating 15 K temperature gradient across vessel height | 8 | Thermal convection currents generating 0.5 MPa pressure differentials, leading to structural resonance at 25 Hz natural frequency | Active circulation system maintaining maximum 2 K temperature differential with piezoelectric vibration dampers tuned to 25 Hz resonance frequency |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Cryogenic Liquid Transfer Pump**, **Vacuum Insulation System**, **Temperature Monitoring and Control Unit**  
**Downstream Applications**: Cryogenically Processed Metals, Frozen Biological Samples, Superconducting Materials  

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

### Q: What temperature range can this cryogen storage vessel maintain?
**A**: Our cryogen storage vessels are designed to maintain cryogenic liquids at temperatures ranging from -196°C to -150°C (-320°F to -238°F), depending on the specific cryogen being stored.

### Q: What safety features are included in the cryogen storage vessel design?
**A**: Each vessel includes a pressure relief valve for overpressure protection, durable stainless steel construction (304 or 316L grade), and multiple layers of superinsulation to maintain temperature stability and prevent thermal transfer.

### Q: How does the superinsulation system work in these storage vessels?
**A**: The superinsulation consists of multiple reflective layers with vacuum-sealed spacing between the inner vessel and outer jacket, dramatically reducing heat transfer through radiation and convection to maintain cryogenic temperatures efficiently.

## 6. Manufacturing Compliance
- ISO 21029-1:2018 CRYOGENIC VESSELS - TRANSPORTABLE VACUUM INSULATED VESSELS OF NOT MORE THAN 1000 LITRES VOLUME
- ANSI/CGA G-4.1:2021 CLEANING EQUIPMENT FOR OXYGEN SERVICE
- DIN EN 1251-2:2000 CRYOGENIC VESSELS - TRANSPORTABLE VACUUM INSULATED VESSELS OF NOT MORE THAN 1000 LITRES VOLUME - DESIGN, FABRICATION, INSPECTION AND TESTING

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Cryogen Storage Vessel](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/cryogen-storage-vessel)**

### 🌐 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**: CRYOGEN_STORAGE_VESSEL | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 13efe838
