INDUSTRY COMPONENT

Fill/Dispense Port

Specialized port for controlled filling and dispensing of cryogenic liquids in storage vessels

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Component Specifications

Definition
A precision-engineered component integrated into cryogenic storage vessels that enables safe, controlled transfer of liquefied gases (such as liquid nitrogen, oxygen, or argon) into and out of the vessel while maintaining cryogenic temperatures and preventing contamination or pressure loss.
Working Principle
Utilizes vacuum-insulated or multi-layer insulated construction with specialized valves and seals to minimize heat transfer during fluid transfer operations. The port maintains a closed system during operation to prevent atmospheric contamination and moisture ingress while allowing precise flow control through integrated valves and pressure regulation mechanisms.
Materials
Stainless steel 316L (primary), with cryogenic-grade elastomers (PTFE, Kalrez) for seals, and vacuum-jacketed construction with multilayer insulation (MLI) for thermal protection
Technical Parameters
  • Flow Rate 10-100 L/min (liquid)
  • Heat Leak <1.5 W/m
  • Port Size 1/2" to 2" NPT or ISO
  • Vacuum Level <10^-3 mbar
  • Connection Type Bayonet, Tri-Clamp, or Flanged
  • Maximum Pressure 10-25 bar
  • Operating Temperature -196°C to 50°C
Standards
ISO 21013, DIN 28400, ASME B31.3

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Fill/Dispense Port.

cryogenic fill port liquid nitrogen dispenser cryo storage vessel port vacuum-insulated transfer port LNG filling system Fill/Dispense Port Fill/Dispense Port in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Cryogen Storage Vessel

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

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Engineering Analysis

Risks & Mitigation
  • Thermal stress cracking
  • Ice formation blocking flow
  • Vacuum loss reducing insulation
  • Seal failure causing leaks
  • Pressure buildup during transfer
FMEA Triads
Trigger: Thermal cycling fatigue
Failure: Crack formation in metal components
Mitigation: Use materials with high cryogenic toughness, implement thermal stress analysis in design
Trigger: Seal degradation at low temperatures
Failure: Leakage of cryogenic fluid
Mitigation: Regular seal replacement schedule, use cryogenic-grade elastomers, implement leak detection systems

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1 mm for sealing surfaces, ±5% for flow rate specifications
Test Method
Helium leak testing (<10^-6 mbar·L/s), pressure cycling test (1000 cycles), thermal performance verification via heat leak measurement

Buyer Feedback

★★★★☆ 4.5 / 5.0 (9 reviews)

"Testing the Fill/Dispense Port now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Fill/Dispense Port meets all ISO standards."

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Frequently Asked Questions

What maintenance is required for cryogenic fill/dispense ports?

Regular inspection of seals and valves, vacuum integrity checks every 6-12 months, and cleaning with appropriate cryogenic-compatible solvents to prevent ice buildup and contamination.

Can these ports be used with different cryogenic fluids?

Yes, but material compatibility must be verified. Ports designed for liquid nitrogen may require different seals or materials for oxygen service due to oxidation risks.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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