Engineered vacuum insulated piping systems for biobanks, cell & gene therapy facilities, pharmaceutical manufacturing, laboratories and cryogenic sample storage.
HL Cryogenics designs and manufactures complete LN₂ distribution systems including Vacuum Insulated Pipe, Vacuum Insulated Flexible Hose, Vacuum Insulated Valves, Phase Separators and Dynamic Vacuum Pump Systems.
ASME | CE | ISO 9001 | 30+ Years Cryogenic Experience
Process media: LN₂ and other compatible cryogenic fluids
Inner pipe: Austenitic stainless steel; BA/EP options where required
Insulation: High vacuum + multilayer insulation
Connection: According to customer requirements
Configuration: Static vacuum / dynamic vacuum
Valve integration: Manual / pneumatic VI valves, cryogenic valves
Phase management: Vacuum insulated phase separators
Engineering: P&ID review, layout, spool design, stress analysis where required
Related Products
Vacuum Insulated Pipe Series
Vacuum Insulated Flexible Hose Series
Dynamic Vacuum Pump System
Vacuum Insulated Phase Separator Series
Common LN₂ Distribution Problems We Engineer Around
| Engineering challenge | HL Cryogenics solution |
|---|---|
| Excessive LN₂ consumption | High-vacuum VIP + MLI to minimize heat ingress |
| Gas arriving at point of use | Phase separator positioned near critical terminals |
| Unstable terminal pressure | Pressure regulation and properly engineered line sizing |
| Long filling time | Flow/pressure/drop analysis and optimized piping diameter |
| LN₂ loss during shutdown | Vacuum insulation + appropriate isolation strategy |
| Long pipeline cooldown | Engineered precooling sequence |
| Multiple branches | Automatic/pneumatic VI valve control |
| Vacuum degradation | Dynamic Vacuum Pump System |
| Contamination/particles | Vacuum insulated filter / suitable inner-pipe finish |
