Self-pressurized liquid nitrogen container YDZ-150 self-pressurized liquid nitrogen container YDZ-100 self-pressurized liquid nitrogen container YDZ-200 Model Unit YDZ-100 YDZ-150 YDZ-200 Remarks geometric volume L 110 160 220 Effective volume L 100 150 200 outside diameter mm 604 706 806 Height mm 1250 1350 1360 with casters, excluding aircraft overhead weight kg 80 120 151 with casters, excluding rack diameter mm 34 37 37 static liquid nitrogen evaporation rate% ≤ 1.3 ≤ 1.2 ≤ 1.1 standard working pressure MPa 0.05 MPa 0.09 maximum working pressure of the liquid discharge rate L / min ≥ 4 ≥ 6 ≥ 8 MPa 0.09 a secondary valve opening pressure relief valve opening pressure MPa 0.13 MPa 0.24 nominal rupture disc range MPa pressure gauge 0 to 0.16 on the table "YDZ" is "self-pressurized liquid nitrogen containers" Hanyu Pinyin initials.