Cryogenic Hose
Product Overview
Our cryogenic hose is engineered for the safe and efficient transfer of ultra-low temperature fluids such as liquid nitrogen, liquid oxygen, liquefied natural gas (LNG), and liquid hydrogen. Designed to withstand extreme cryogenic conditions down to -196°C, this high-performance hose ensures reliable operation in demanding industrial environments. Constructed with advanced multi-layered materials, including stainless steel corrugated inner cores and superior thermal insulation, the cryogenic hose minimizes heat ingress, prevents vaporization, and maintains fluid integrity during transfer.
As a leading solution in the cryogenic transfer sector, our cryogenic hose meets international standards like ISO 21029 and ASTM A269, making it ideal for B2B applications in energy, healthcare, aerospace, and chemical processing industries. Its flexibility allows for easy installation in tight spaces, while robust reinforcement ensures longevity under high-pressure conditions. Whether you're handling bulk cryogenic liquids or precision dosing in laboratories, this cryogenic hose delivers unmatched safety, durability, and efficiency, reducing operational risks and downtime.
Key Features
- Extreme Temperature Resistance: Rated for continuous use from -196°C to +80°C, perfect for cryogenic fluids without compromising structural integrity.
- Superior Flexibility: Annularly corrugated design provides exceptional bend radius and kink resistance, facilitating dynamic applications in confined or mobile setups.
- Advanced Insulation: Multi-layer vacuum-insulated jacket with aerogel or foam insulation minimizes thermal conductivity, ensuring minimal boil-off rates.
- High Pressure Capability: Working pressures up to 50 bar (725 psi) with safety factors exceeding 4:1 for reliable performance under load.
- Chemical and Corrosion Resistance: 316L stainless steel inner liner resists oxidation, embrittlement, and aggressive media exposure.
- Safety Couplings: Integrated end fittings with breakaway options and color-coded identification for quick, error-free connections.
- Customizable Lengths and Diameters: Tailored to exact specifications, from DN15 to DN100, with options for electric tracing or custom braiding.
- Compliance Certified: PED 2014/68/EU, ASME, and cryogenic-specific certifications for global deployment.
Technical Specifications
| Parameter | Specification | Details |
|---|---|---|
| Inner Diameter (ID) | DN15 to DN100 (1/2" to 4") | Custom sizes available upon request |
| Working Pressure | Up to 50 bar (725 psi) | Test pressure: 1.5x working pressure |
| Burst Pressure | Minimum 200 bar (2900 psi) | Safety factor 4:1 standard |
| Temperature Range | -196°C to +80°C (-321°F to +176°F) | Cryogenic fluids compatibility assured |
| Construction | Stainless Steel 316L Corrugated Core | Single or double braiding (AISI 304/316) |
| Insulation | Vacuum Jacketed or Multi-Layer Foam/Aerogel | Heat leak < 0.5% per meter |
| Bend Radius (Minimum) | 3 x ID (standard), 4-6 x ID for vacuum types | Dynamic flexing tested |
| Length (Standard) | Up to 30 meters (98 ft) | Custom up to 50 meters with supports |
| End Fittings | Camlock, NPT, BSP, Flange (ANSI/DIN) | Swivel or fixed options |
| Weight | 1.5-5 kg/m (1-3.4 lb/ft) | Varies by size and insulation type |
| Standards Compliance | ISO 21029, ASTM A240/A312, PED 97/23/EC | CE marked, third-party certified |
| Media Compatibility | LN2, LOX, LAr, LNG, LH2 | Non-reactive to cryogenic gases/liquids |
Application Scenarios
The versatility of our cryogenic hose makes it indispensable across diverse industries requiring precise cryogenic fluid handling. In the oil and gas sector, it's extensively used for LNG bunkering and regasification terminals, where it facilitates safe transfer from carriers to storage tanks under high flow rates and cryogenic temperatures. Aerospace facilities rely on the cryogenic hose for fueling rocket propulsion systems with liquid oxygen and hydrogen, ensuring zero leaks in high-stakes environments.
Medical and pharmaceutical applications include the distribution of liquid nitrogen for cryopreservation of biological samples, vaccines, and semen banks, with the hose's insulation preventing sample degradation. In industrial gas production, cryogenic hoses connect air separation units to storage spheres, handling large volumes of LIN, LOX, and LAR with minimal energy loss. Chemical plants utilize them for transferring refrigerants and specialty cryogens, while food processing employs them for quick-freezing tunnels and CO2 systems.
Additionally, research laboratories and superconductivity testing setups benefit from the hose's flexibility in experimental cryostats. Mobile cryogenic services, such as on-site welding gas supply or emergency medical oxygen delivery, leverage its lightweight, portable designs. No matter the scenario, our cryogenic hose adapts seamlessly, optimizing safety protocols and operational efficiency.
Advantages
Investing in our cryogenic hose provides tangible benefits that set it apart from standard alternatives. Its low thermal conductivity—often under 0.02 W/m·K—dramatically reduces boil-off losses, translating to cost savings of up to 30% in cryogenic inventory management compared to non-insulated hoses. The corrugated structure not only enhances flexibility (bend radii as low as 3x ID) but also absorbs thermal expansion and vibration, extending service life beyond 10 years in continuous duty.
Safety is paramount: integrated pressure relief valves and anti-static features mitigate risks of static discharge in oxygen-rich environments, complying with NFPA 55 standards. Unlike rigid piping, our cryogenic hose eliminates the need for extensive supports, simplifying installation and reducing project timelines by 40%. Customization options, including conductive linings for hazardous locations and traceable heating elements for sub-zero ambient recovery, ensure perfect fit-for-purpose solutions.
Environmentally, the hose's durable construction minimizes waste from frequent replacements, supporting sustainable operations. Rigorous factory testing—including hydrostatic, pneumatic, and helium leak detection—guarantees zero-defect delivery, backed by performance data logs for traceability.
Why Choose Us
As a premier manufacturer of cryogenic hoses, we bring over 20 years of expertise in cryogenic engineering, serving Fortune 500 clients worldwide. Our state-of-the-art production facility employs automated welding and vacuum insulation processes, ensuring batch-to-batch consistency certified by TUV and Lloyd's Register. We prioritize innovation, incorporating finite element analysis for optimized designs that exceed industry benchmarks.
Our commitment to quality is unwavering: every cryogenic hose undergoes 100% non-destructive testing, with full material traceability from raw stainless steel to final assembly. We offer comprehensive support, from CAD-based custom designs to on-site installation guidance, minimizing your total cost of ownership. Global stock availability and rapid prototyping—within 2 weeks—enable agile supply chain integration. Partner with us for reliable, high-performance cryogenic hoses that drive your success.
FAQ
Q: What is the primary material used in your cryogenic hose?
A: The core is seamless 316L stainless steel corrugation, with external braiding of AISI 304 or 316 wire for reinforcement. Insulation layers include polyurethane foam or aerogel, encased in a protective PVC or stainless steel outer jacket.
Q: Can the cryogenic hose handle vacuum conditions?
A: Yes, vacuum-jacketed variants maintain high vacuum levels (<10^-5 mbar) to further reduce heat transfer, ideal for laboratory or superconducting applications.
Q: What maintenance is required for the cryogenic hose?
A: Minimal—visual inspections for abrasion or kinks every 6 months, pressure testing annually. Avoid mechanical stress and store uncoiled in dry conditions.
Q: Are custom lengths and fittings available?
A: Absolutely. We fabricate to precise requirements, supporting metric/imperial fittings like KC, JIS, or Tri-Clamp for seamless integration.
Q: How does the cryogenic hose ensure safety with LOX?
A: Oxygen-compatible cleaning to CGA G-4.1, conductive paths to dissipate static (surface resistivity <10^9 ohms), and design per EIGA Doc 33 for explosion prevention.
Q: What is the warranty on your cryogenic hose?
A: 5-year pro-rata warranty against manufacturing defects, extendable with service contracts including periodic inspections.
Q: Is the cryogenic hose suitable for outdoor use?
A: Yes, with UV-stabilized jackets and IP67-rated fittings, rated for -40°C ambient exposure and harsh weather conditions.