Features: 1) Adopts double layers SS metal hose, the interlayer is multi layer insulation compound material, thus can maintain high vacuum status 2) With good cold protection efficiency, the hose surface without sweat and frost when using 3) With small bending radius, simple utilized, and length can be determined by the end users\'\' requirements 4) Can be connected with vacuum pipelines 5) Two ends of vacuum hose is equipped with storage tank and lorry special quick connector, can reduce the liquid vaporization loss during change greatly Specifications: 1) Working pressure: 2.0MPa 2) Design temperature: -270°C 3) Using medium: LO2, LN2, LAr, LH2, Lhe, LNG 4) Pipe cold lost: 0.5 - 2W/m 5) Inner layer vacuum grade: 6) Vacuum leakage rate: -10PaL/S 7) Working ambient temperature: -30 – 50°C