According to GB/T5458-1997 the provisions of the national recommended standard: storage tank of liquid nitrogen tank is divided into liquid nitrogen and liquid nitrogen storage tank. 
 Biological liquid nitrogen storage tank, liquid nitrogen for a long time, long time to save room for standing activity of biological materials. 
 Liquid nitrogen storage tank, including the addition of a liner support, transport and vibration-resistant, suitable for indoor dual-standing and long-distance transport. 
 Type Example 1: YDS-30 indicated that the nominal volume of 30 L, diameter 50 mm of liquid nitrogen biological storage tank. 
 Type Example 2: YDS-30B-125 that the nominal volume of 30 L, diameter 125 mm of liquid nitrogen storage tank bio- 

 YDS series of liquid nitrogen biological containers inside and outside of the container made of high quality rust-proof aluminum housing, high-vacuum multi-layer super insulation structure, beautiful appearance, light weight and stored in liquid nitrogen for a long time, the use of standing room in the activity of biological materials stored for long periods 
 Model prices volume 
 (L) diameter 
 (MM) static liquid nitrogen 
 Annex preservation days 
 Standard Leather Case to mention the number of cylinders 
 YDX-2.5F 3800 2.5 50 ≥ 20 1-Φ36 × 120 with 
 YDS-2-35 940 2 35 ≥ 28 3-Φ25 × 120 with 
 YDS-3 990 3 50 ≥ 28 3-Φ36 × 120 with 
 YDS-3-125 1480 3 125 ≥ 6 there 
 YDS-5-200 2280 5 200 ≥ 3 there 
 YDS-6 1280 6 50 ≥ 53 3-Φ36 × 120 with 
 YDS-10 1480 10 50 ≥ 88 3-Φ36 × 120 with 
 YDS-10-80 1690 10 80 ≥ 50 3-Φ63 × 120 with 
 YDS-10-125 1980 10 125 ≥ 24 have 
 YDS-10-200 2380 10 200 ≥ 12 have 
 YDS-13-125 2420 13 125 ≥ 32 have 
 YDS-15 2250 15 50 ≥ 123 3-Φ36 × 120 with 
 YDS-20 2650 20 50 ≥ 168 3-Φ36 × 120 with 
 YDS-30 3280 30 50 ≥ 220 3-Φ36 × 120 with 
 YDS-30-80 3380 30 80 ≥ 150 3-Φ63 × 175 with 
 YDS-30-125 3680 30 125 ≥ 95 3-Φ95 × 175 with 
 YDS-35 3680 35 50 ≥ 240 3-Φ36 × 120 with 
 YDS-35-80 3850 35 80 ≥ 160 3-Φ63 × 175 with 
 YDS-35-125 3990 35 125 ≥ 105 3-Φ95 × 175 with 
 YDS-35-200 5500 35 200 ≥ 60 1-Φ180 × 270 with 
 YDS-80-200 12100 80 200 ≥ 90 have 
 YDS-100-125 12100 100 125 ≥ 180 are 
 YDS-100-200 13200 100 200 ≥ 132 are 
 YDS-110-290F 18150 110 290 ≥ 80 have 

 1.YDS (B) series of dual-use containers for storage and transportation of liquid nitrogen biological containers also have the characteristics of YDS series of container, but set a bearing between the inner and outer shells, vibration-resistant transport, and transport of dual use in standing. Model prices volume (liters) diameter 
 (MM) days of static liquid nitrogen Annex Remarks 
 Standard Leather Case to mention the number of cylinders 
 YDS-10B 1660 10 50 ≥ 58 3-Φ36 × 120 with 
 YDS-13B 2200 13 50 ≥ 65 3-Φ36 × 120 with 
 YDS-15B 2360 15 50 ≥ 84 3-Φ36 × 120 with 
 YDS-20B 2860 20 50 ≥ 102 3-Φ36 × 120 with 
 YDS-30B 3680 30 50 ≥ 138 3-Φ36 × 120 with 
 YDS-30B-80 3890 30 80 ≥ 90 3-Φ63 × 175 with 
 YDS-30B-125 4450 30 125 ≥ 70 3-Φ95 × 175 with 
 YDS-35B 3980 35 50 ≥ 146 3-Φ36 × 120 with 
 YDS-35B-80 4380 35 80 ≥ 115 3-Φ63 × 175 with 
 YDS-35B-125 4590 35 125 ≥ 88 3-Φ95 × 175 with 
 YDS-50B 5980 50 50 ≥ 180 3-Φ36 × 120 with a caster 
 YDS-50B-80 6190 50 80 ≥ 135 3-Φ63 × 175 with a caster 
 YDS-50B-125 6380 50 125 ≥ 115 3-Φ95 × 175 with a caster 
 YDS-50B-200 6960 50 200 ≥ 70 1-Φ180 × 270 with a caster 


 YDS-30 series liquid nitrogen container YDZ-100 from the pressurized liquid nitrogen container 

 2.YDS liquid nitrogen container with liquid nitrogen pump special gravity of the container with liquid nitrogen pump (with valves, pressure gauge, safety valve, infusion tube), used to add liquid nitrogen liquid nitrogen containers, with electronic instruments and supporting the use of ultra-low temperature case. 
 Model prices (yuan / unit) effective aperture volume L 
 (MM) static liquid nitrogen 
 Preservation days 
 YDS-30T 5880 30 50 ≥ 90 
 YDS-35T 6180 35 50 ≥ 100 
 YDS-50T 7880 50 50 ≥ 110 

 Note: with YDB-4B gravity liquid nitrogen pump (1800 yuan / Taiwan), transfusion volume ≥ 4 L / Min, working pressure ≤ 0.05Mpa, plus infusion tube with stainless steel (300 million); a valve, pressure gauge safety valve 
 3.YDZ pressurized liquid nitrogen container from the products using imported stainless steel manufacturing, the outer surface has been polished, the product structure on the set with liquid nitrogen vaporization of pressurized pipes, the use of container housing the heat of vaporization of liquid nitrogen to produce a little pressure, the nitrogen output, the container equipped with safety valves, fluid valves, pressure gauge, bottom casters, a short distance is very convenient. Model prices 
 Effective volume (L) standard working pressure (MPa) at liquid nitrogen evaporation rate (%) 
 YDZ-50 15600 55 0.09 ≤ 2 
 YDZ-100 23100 110 0.09 ≤ 1.3 
 YDZ-160 31800 170 0.09 ≤ 1.2 
 YDZ-200 39300 220 0.09 ≤ 1 
 YDZ-250 43000 275 0.09 ≤ 1 
 YDZ-300 52500 330 0.09 ≤ 0.9 
 YDZ-500 78800 500 0.09 ≤ 0.9 

 Liquid nitrogen tank maintenance tips: