Piping System - vacuum hard pipe

Jiangsu Hongyuan Piping Stainless Steel Vacuum Insulated Pipe

The stainless steel vacuum insulated pipe adopts a double-layer stainless steel structure, with the interlayer evacuated to high vacuum and filled with multi-layer insulation materials, enabling efficient thermal insulation for cryogenic fluid transmission (-196°C to 150°C).

1. High-Vacuum Insulation: Vacuum degree ≤5×10⁻³Pa, combined with 20-layer aluminum foil reflective shielding winding process, achieving thermal conductivity as low as 0.02W/m·K.

2. Safety Design: Built-in bellows compensation structure absorbs ±30mm axial displacement, eliminating risks of cold contraction cracks.
Suitable for cryogenic media storage and transportation systems such as LNG, liquid oxygen, and liquid hydrogen. Certified by ISO 21013 international standards and helium mass spectrometry leak detection.

Service life ≥25 years, reducing maintenance costs by 40%;

Modular design enables rapid installation, compatible with DN50-DN600 pipe diameters.