Liquid Helium Dewar

Liquid Helium Dewar Product Number: Cryogenic tank Design Pressure:   10Psi Operation Pressure: 8.2Psi Leakage Pressure:  8.2Psi Test Pressure:  10Psi Full Volume: 250L, 550L Filling Rate:   90% Design Temperature: -269℃ Insulation:   Vacuum with multi-layer wrap Stored Medium: Liquid Helium Inner Tank Material: 06Cr19Ni10 (SS304) Outside Tank Material:  06Cr19Ni10 (SS304) Evaporation Rate:   ≤1.0%/d Seal-off Vacuum : ≤0.1Pa 1st Safety Valve: 10Psi 2nd Safety Valve: 12Psi