European industry gas facilities are designed and built using an interconnected series of EN, ISO, ASME, and EIGA standards, which address all aspects of design, materials used, thermal efficiency, and safe operation of all cryogenic transfer systems. At HL Cryogenics, we make sure our designs comply perfectly with all standards in order to ensure safety and durability of our products along with effective heat leak prevention throughout industrial gas and LNG projects. Not only do these standards address issues of pressure limits and fabrication practices but also vacuum insulation efficiency of all cryogenic equipment.
Table of Contents
1. Foundational Global & European Cryogenic Engineering Standards
2. Vacuum Insulation Performance & Heat Leak Control Requirements
3. Key Vacuum Insulated Components & System Integration Rules
4. Real-World Project Compliance & Practical Engineering Insights
● Foundational Global & European Cryogenic Engineering Standards
The basic standards for European cryogenic engineering are those which cover the base safety rules for all industrial gases through pressure vessels and process pipes. Our designs conform to EN 12516, ISO 21009 and ASME B31.3, for each cryogenic pipe and all components of pressure vessel, since such materials require material traceability, non-destructive testing and allowable stress levels, crucial for the liquid nitrogen, oxygen, and argon processing plants that operate under very low temperatures.
Materials used for cryogenic engineering are rigorously controlled within Europe. All our Vacuum Insulated Pipes, Vacuum Insulated Flexible Hoses and Vacuum Insulated Valves are made from SS304 and SS316L stainless steel materials. Carbon steel is not allowed for cryogenic operation due to increased risk of brittle fractures at extremely low temperatures. Our materials’ conformity makes it possible to design vacuum insulated products for the applications in industrial gas installations, hydrogen projects in the Middle East and semiconductors in East Asia.
● Vacuum Insulation Performance & Heat Leak Control Requirements
By combining our Dynamic Vacuum Pump System, Vacuum Insulated Valve, and Phase Separator, we give you a setup that moves liquid helium efficiently and keeps costs down. Our Mini Tanks and Flexible Hoses let us handle both mobile and fixed jobs with precision.
Performance of vacuum insulation systems is one of the most technologically regulated parts of modern European cryogenic systems. Our Vacuum Insulated Pipe and Vacuum Insulated Flexible Hose are engineered specifically to mitigate three heat flow modes such as conduction, convection and radiation using high-vacuum space and multi-layered insulation. In accordance with EU standards, maintenance of vacuum space lower than 0.001 Pa is needed to provide ultra-low heat leak, which we guarantee by integrating getter technology and double wall construction of the vacuum insulated parts.
Reduction of heat leak is one of the essential parameters considered in every system we engineer. Testing of heat leak rate, temperature stability and gradual deterioration of insulation according to EU thermal regulations provides us with proof that our products meet the requirements for the lifespan up to 20-25 years demanded in Europe.
● Key Vacuum Insulated Components & System Integration Rules
One of the key engineered solutions employed by us to ensure long-term adherence to European standard requirements is the Dynamic Vacuum Pump System. The vacuum insulated components gradually lose their vacuum quality over several years because of micro-permeation and outgassing of material. The use of our Dynamic Vacuum Pump System ensures continuous maintenance of vacuum level on-site and increases service life of cryogenic transfer system up to 20-25 years fully covering European plant lifetime design period.
Another set of components that require special attention when complying with the requirements of European standardization includes Specialty Cryogenic Components such as Vacuum Insulated Valve and Vacuum Insulated Phase Separator. EN and ISO standardization of cryogenic valves guarantees compliance with stringent requirements of zero-leak sealability, cryogenic thermal compensation, and fire-safety properties. Our Vacuum Insulated Phase Separator complies with EIGA regulations and provides control over liquid-vapor phase separation in air separation plants for maximum efficiency with no carry-over effect.
In addition, we provide Mini Tank components in the scope of our solutions according to ISO 21009 specifications for decentralized storage in industrial gas facilities in the territory of Europe. All Mini Tanks supplied by us undergo full thermal performance testing and pressure cycling validation and have CE-marking.
● Real-World Project Compliance & Practical Engineering Insights
We can present an engineering project where our alignment was completely fulfilled: we supplied a complete cryogenic transfer system for a mid-size industrial gas plant in Northern Europe, which included Vacuum Insulated Pipe, Vacuum Insulated Flexible Hose, Vacuum Insulated Valves Station and a Dynamic Vacuum Pump Station System. The entire system passed EN pressure test, vacuum decay test, and thermal heat leak tests. It resulted in a 35% lower evaporation rate compared to the conventional insulated lines, and provided a 22-year design service life based on the standards of that particular plant.
European compliance goes beyond physical components: it also refers to documentation, factory acceptance testing, and independent certification. Here at HL Cryogenics, we provide complete EN 10204 3.1 materials certificates, vacuum performance test reports, and documentation related to compliance. With our help, you can procure all the necessary documents for EPC tendering and plant commissioning of your industrial gas, LNG or hydrogen facilities in European territories.
If you need cryogenic equipment which meets European standards for industrial gas plants, our company, HL Cryogenics, is ready to develop custom-made Vacuum Insulated Pipe, cryogenic hose assemblies, phase separator tanks and Dynamic Vacuum solutions according to your particular requirements.
● FAQS
Since 1992, HL Cryogenics has specialized in the design and manufacturing of high-vacuum insulated cryogenic piping systems and related support equipment, tailored to meet diverse customer needs. We hold ASME, CE, and ISO 9001 certifications, and have provided products and services to many well-known international enterprises. Our team is sincere, responsible, and committed to excellence in every project we undertake.
Vacuum Insulated/Jacketed Pipe
Vacuum Insulated/Jacketed Flexible Hose
Phase Separator / Vapor Vent
Vacuum Insulated (Pneumatic) Shut-off Valve
Vacuum Insulated Check Valve
Vacuum Insulated Regulating Valve
Vacuum Insulated Connectors for Cold Boxes & Containers
MBE Liquid Nitrogen Cooling Systems
Other cryogenic support equipment related to VI piping — including but not limited to safety relief valve groups, liquid level gauges, thermometers, pressure gauges, vacuum gauges, and electric control boxes.
We are happy to accommodate orders of any size — from single units to large-scale projects.
HL Cryogenics' Vacuum Insulated Pipe (VIP) is manufactured in accordance with the ASME B31.3 Pressure Piping Code as our standard.
HL Cryogenics is a specialized vacuum equipment manufacturer, sourcing all raw materials exclusively from qualified suppliers. We can procure materials that meet specific standards and requirements as requested by customers. Our typical material selection includes ASTM/ASME 300 Series Stainless Steel with surface treatments such as acid pickling, mechanical polishing, bright annealing, and electro polishing.
The size and design pressure of the inner pipe are determined according to the customer's requirements. The size of the outer pipe follows HL Cryogenics' standard specifications, unless otherwise specified by the customer.
Compared with conventional piping insulation, the static vacuum system provides superior thermal insulation, reducing gasification losses for customers. It is also more cost-effective than a dynamic VI system, lowering the initial investment required for projects.
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Post time: May-11-2026
