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After-Sales

Quality Warranty

VICTANK products do not have any potential defects in workmanship or materials (accessory system). Victank guarantees that the product will maintain a qualified vacuum and heat preservation performance within 7 years after the product is shipped.

Upon receipt of the product, the buyer shall conduct a comprehensive inspection of the product immediately. If the product is found to be defective in quality, it shall notify Victank of the defect in writing within 30 days. Victank will provide relevant after-sales service for product quality problems.

Victank is not responsible for the damage caused by normal wear and tear, rust, fire or explosion. Victank is not responsible for the improper use of the product, any impact, or any delay in use, including natural or man-made damage.

Victank specifically declares that it does not guarantee or guarantee the product’s best-selling level or suitability for a particular purpose.
Accordingly, Victank shall be liable for compensation not exceeding the repair or replacement cost of the product. Victank does not bear any guarantee responsibilities other than this guarantee.

Victank gives the buyer a warranty period of 7 years for vacuum and one year for spare parts. Accidental damage caused by the buyer will lose the warranty period. If the parts are returned or exchanged during the warranty period, the parts with quality problems shall be returned.
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Technical Library

1. Tank Sizing VS Cylinder.jpg
Tank Sizing VS Cylinder

Tank Sizing VS Cylinder LIQUID NITROGEN Microbulk Tank NET Water Capacity (L) LN2 (L) (100%~30%) Converted into gas (SM3) Converted into steel cylinder (pcs) Converted into monthly cylinder usage Consider 20% Remain 5000L 4743 3320 2313 388 776 620 3000L 2880 2016 1404 235 471 377 2

2. Gas Physics Properties VS Cylinder.jpg
Gas Physics Properties VS Cylinder

Medium0.1MpaConversion Among Liquid, Gas and Cylinder GasSaturation temperatureDensity (kg/m3)K℃Liquid StateGaseous State (0℃)Liquid State (m3)Gaseous State (Nm3)Gaseous State(Standard Cylinder)(40L-150bar)Oxygen90-18311401.4291800133Nitrogen77-1968101.251643107Argon87-18614101.7841780130CO2 194.7-7

3. Gas Filling Volume VS Cylinder.jpg
Gas Filling Volume VS Cylinder

20L Cyl 40L Cyl 40L Cyl 40L Cyl 40L Cyl 150 Bar 150 Bar 140 Bar 130 Bar 120 Bar Oxygen 0℃ 3.057 6.114 5.706 5.299 4.891 15℃ 3.224 6.448 6.018 5.588 5.158 20℃ 3.280 6.559 6.122 5.685 5.247 Nitrogen 0℃ 2.778 5.556 5.1856 4.8152 4.4448 15℃ 2.931 5.862 5.4712 5.0804 4.6896 20℃ 2.982 5.964 5.5664 5.1688

4. SM3 Gas VS Liter of liquid.jpg
SM3 Gas VS Liter of liquid

SM3 Gas VS Liter of liquid SM3 Gas/Liter of liquid Pressure Pressure Argon Nitrogen Oxygen CO2 psig bar 0 0.0 0.84 0.70 0.86 / 25 1.7 0.80 0.66 0.82 / 50 3.4 0.77 0.63 0.79 / 75 5.2 0.75 0.61 0.77 0.63 100 6.9 0.74 0.59 0.75 0.62 125 8.6 0.72 0.58 0.74 0.61 150 10.3 0.71

5. Gas Density.jpg
Gas Density

Gas Density Pressure Pressure Oxygen Nitrogen Argon PSIG BAR Sat. Sat. Sat. Liquid Liquid Liquid Density Density Density KG/M3 KG/M3 KG/M3 0 0 1141 809 1405 10 0.69 1115 783 1368 20 1.38 1097 766 1341 30 2.07 1081 753 1320 40 2.76 1067 740 1301 50 3.45 1056 730 1285

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