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VT Series

Vertical Cryogenic Storage Tanks for Atmospheric Gases

Chart Ferox, a.s. VT series of cryogenic tanks are designed in accordance with the requirements for safe, easy and economical operation. Many of the features have been incorporated in close collaboration with leading industrial gas companies.

VT series tanks are vertical, stationary, pressure vessels with perlite insulation for long term storage of cryogenic liquefied gases under pressure.

VT series are available in capacities from 3,000 to 60,000 liters with pressures of 18; 22 and 37 bar.

  • in accordance with EN 13458 and conforming to directive 97/23/EC (PED)
  • modular plumbing (e.g. fill cluster)
  • 4 legs design
  • easy lifting and low cost erection using a single crane
  • stainless steel inner vessel and piping
  • bolted bonnet globe valves with stainless steel bodies
  • easily accessible relief valves with outlets directed away from the operating area
  • with durable environmentally friendly coating for industrial standards

Technical Specification

Nomenclature
(standard model — not all options shown)

A1 Fill connection
V1 Bottom fill valve
V2 Top fill valve
V28 Valve, fill line drain
LFD Liquid outlet (VT3-VT9)
LI Level indicator
PBU Pressure building vaporizer
PI Pressure indicator
RG1 Pressure control valve / Economizer
S1 Safety valves, inner vessel
S2 Vacuum safety device
S5 Thermal relief valve, fill line
V3 Isolating valve, bottom fill
V4 Isolating valve, top fill
V5 Valve, vapor vent / gas outlet
V6 Valve, trycock
V9 Valve, external vaporizer
V12 Valve, evacuation
V14 Valve, safety relief selection
V22.1 Valve, liquid outlet (VT11-VT60)
V50 Valve, LI vapor phase
V51 Valve, LI liquid phase
V52 Valve, LI equalization



view leaflet View Leaflet (English)
View Leaflet (Russian)
Type   VT 3 VT 6 VT 9 VT 11 VT 16 VT 21 VT 25 VT 20 VT 26 VT 31 VT 37 VT 43 VT 32 VT 41 VT 50 VT 60
Gross volume [Liters] 3,420 6,150 8,870 10,810 15,530 20,250 24,970 20,130 26,110 32,080 38,060 44,030 32,290 41,630 50,960 60,300
Net capacity (95% filling)1 [Liters] 3,250 5,840 8,430 10,270 14,750 19,240 23,720 19,120 24,800 30,480 36,160 41,830 30,680 39,550 48,410 57,280
LIN [Kg] 2,630 4,730 6,810 8,300 11,930 15,550 19,170 15,460 20,050 24,630 29,220 33,800 24,790 31,960 39,120 46,290
LOX [Kg] 3,720 6,680 9,630 11,730 16,850 21,970 27,090 21,840 28,330 34,810 41,300 47,770 35,040 45,170 55,290 65,420
LAR [Kg] 4,570 8,220 11,850 14,440 20,740 27,040 33,350 26,880 34,870 42,840 50,820 58,790 43,120 55,590 68,050 80,520
LN2O [Kg] 3,440 6,170 8,900 10,850 15,580 20,320 25,050 20,200 26,200 32,190 38,190 44,180 32,400 41,770 51,130 60,500
LCO22 [Kg] 3,600 6,460 9,320 11,360 16,310 21,270 26,230 21,140 27,420 33,690 39,970 46,240 33,910 43,720 53,520 63,330
Daily evapopration rate LOX3    18 barg [%/d] 0.37 0.26 0.23 0.21 0.19 0.17 0.17 0.15 0.14 0.13 0.13 0.13 0.13 0.12 0.11 0.1
                                             22 barg [%/d] 0.37 0.27 0.24 0.22 0.2 0.18 0.17 0.15 0.14 0.13 0.13 0.13 0.13 0.12 0.11 0.1
                                             37 barg [%/d] 0.39 0.29 0.26 0.23 0.21 0.19 0.18 0.16 0.15 0.14 0.14 0.14 0.14 0.13 0.12 0.11
Max. withdrawal rate LOX4,5 [Nm3/h] 470 590 670 860
Max. withdrawal rate LCO26 [Kg/h] 115 140 160 205
Weight, empty                       18 barg [Kg] 2,980 4,320 5,750 6,440 8,310 10,160 12,150 11,580 14,010 16,460 18,840 21,290 15,490 18,580 21,740 24,900
                                            22 barg [Kg] 3,090 4,500 5,980 6,720 8,690 10,640 12,730 12,070 14,640 17,210 19,730 22,310 16,220 19,520 22,870 26,230
                                            37 barg [Kg] 3,520 5,160 6,880 7,830 10,190 12,530 15,010 14,290 17,440 20,580 23,680 26,820 19,940 24,120 28,380 32,610
Diameter (D) [mm] 1,800 2,100 2,500 3,000
Overall width (A) [mm] 2,000 2,100 2,500 3,000
Overall depth (B) [mm] 2,150 2,350 2,800 3,280
Height (H)7 [mm] 4,030 5,840 7,650 6,430 8,430 10,430 12,430 8,110 9,940 11,770 13,600 15,430 8,400 10,230 12,060 13,890
Notes:
1) Filling 95 % (equillibrium state at 1,013 bar)
2) Filling 95 % (equillibrium state at 10 bar)
3) based on pressure EN12213 (100 kPa and 15°C ambient temperature)
4) For N2 and Ar stated withdrawal rates to be multiplied by: N2=0,88 / Ar=1,01
5) Stated withdrawal rates are for short term withdrawal (up to 3 hrs) at tank pressure 10 barg
6) Stated withdrawal rates are with the standard flat fin PBU vaporizer at tank pressure 15 barg and 10°C
    optionally in case of higher withdrawals of CO2, electric vaporizer needed to be ordered
7) Tanks with thermosiphon are app. 790 mm higher

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