Structured Manufacturing Data (2026)

Cryogen Storage Vessel

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Cryogen Storage Vessel used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Cryogen Storage Vessel is characterized by the integration of Inner Vessel and Outer Jacket. In industrial production environments, manufacturers listed on CNFX commonly emphasize Stainless Steel (typically 304 or 316L) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

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

Product Specifications

Technical details and manufacturing context for Cryogen Storage Vessel

Definition
The Cryogen Storage Vessel is a critical component of the Cryogenic Injection System, responsible for safely containing and maintaining cryogenic liquids (such as liquid nitrogen, liquid oxygen, or liquid argon) at their required ultra-low temperatures. It ensures a stable supply of cryogen to the injection mechanism, featuring high-performance insulation to minimize boil-off and maintain pressure integrity.
Working Principle
The vessel utilizes vacuum insulation (often multi-layer superinsulation) to create a thermal barrier, significantly reducing heat transfer from the environment. It maintains the cryogen in a liquid state through pressure control. When injection is required, the internal pressure or a pump facilitates the controlled release of the cryogen into the system's delivery lines.
Common Materials
Stainless Steel (typically 304 or 316L), Nickel Alloy, High-Strength Aluminum Alloy
Technical Parameters
  • The nominal storage capacity of the vessel for cryogenic liquid. (L) Standard Spec
Components / BOM
  • Inner Vessel Part
    Directly contains the cryogenic liquid, constructed from materials suitable for extreme low temperatures.
    Material: Stainless Steel or Aluminum Alloy
  • Outer Jacket Part
    Forms the vacuum chamber with the inner vessel, providing structural support and housing the insulation.
    Material: Carbon Steel or Stainless Steel
  • Superinsulation Part
    Multi-layer reflective insulation within the vacuum space to minimize radiative heat transfer.
    Material: Aluminized Mylar
  • Pressure Relief Valve
    A safety device that automatically releases pressure if it exceeds a safe limit.
    Material: Stainless Steel
  • Fill/Dispense Port Part
    The connection point for filling the vessel with cryogen and for connecting to the injection system's delivery line.
    Material: Stainless Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Cryogen Storage Vessel.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar (typical), with ASME Section VIII Div. 1 compliance
flow rate: 0.5-50 L/min (liquid phase), depending on outlet configuration
temperature: -196°C to -269°C (Liquid Nitrogen to Liquid Helium range)
slurry concentration: Not applicable for pure cryogens; for cryogenic slurries: up to 30% solids by volume
Media Compatibility
✓ Liquid Nitrogen (LN2) ✓ Liquid Argon (LAr) ✓ Liquid Oxygen (LOX)
Unsuitable: High-temperature thermal cycling environments (>200°C differentials)
Sizing Data Required
  • Required storage volume (liters)
  • Maximum allowable boil-off rate (% per day)
  • Required pressure rating for dispensing (bar)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal stress cracking
Cause: Repeated thermal cycling during filling/emptying creates stress concentrations at weld joints and material transitions, leading to fatigue cracks in cryogenic temperatures.
Vacuum jacket degradation
Cause: Loss of vacuum insulation due to moisture ingress, perlite settling, or vacuum pump failure, resulting in excessive boil-off and pressure buildup.
Maintenance Indicators
  • Rapid increase in boil-off rate or pressure rise without operational changes
  • Visible frost formation on outer vessel surfaces indicating insulation failure
Engineering Tips
  • Implement strict thermal cycling protocols with controlled cooldown/warmup rates to minimize thermal stress
  • Maintain vacuum integrity through regular leak testing and proper desiccant/purge system maintenance

Compliance & Manufacturing Standards

Reference Standards
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
Manufacturing Precision
  • Outer shell concentricity: +/- 0.5 mm
  • Vacuum jacket leak rate: < 1x10^-9 mbar·L/s
Quality Inspection
  • Helium leak test for vacuum integrity
  • Ultrasonic thickness testing for inner vessel wall

Factories Producing Cryogen Storage Vessel

Manufacturer profiles with relevant production capability in China

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What temperature range can this cryogen storage vessel maintain?

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.

What safety features are included in the cryogen storage vessel design?

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.

How does the superinsulation system work in these storage vessels?

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.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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