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VTC Series Full EN

Vertical Cryogenic Storage Tanks for Carbon Dioxide and Nitrous Oxide

Chart Ferox, a.s. VTC 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.

VTC series tanks are vertical, stationary, pressure vessels with perlite insulation for long term storage of cryogenic liquified gases like CO2, N2O under pressure.

VTC series are available in capacities from 4,000 to 67,000 liters with pressures of 25 bar.

  • in accordance with EN 13458 and conforming to directive 97/23/EC (PED)
  • fine grain / low temperature carbon steel inner vessel
  • 4 legs design
  • easy lifting and low cost erection using a single crane
  • bolted bonnet globe valves with stainless steel bodies
  • high performance PBU with optional electrical heater as PBU
  • easily accessible relief valves with outlets directed away from the operating area
  • with durable environmentally friendly coating for industrial standards
Type
VTC4 VTC7 VTC10 VTC12 VTC17 VTC22 VTC27 VTC23 VTC33 VTC43 VTC36 VTC52 VTC60 VTC67
Gross volume Liters 4120 7270 10430 11630 16610 21590 26570 22920 33080 43240 36130 51700 59430 67270
Net capacity (95% filling)* Liters 3910 6910 9910 11050 15780 20510 25240 21770 31430 41080 34320 49120 56460 63910
LN2O kg 4340 7300 10470 11670 16670 21660 26600 23000 33190 43380 36250 51870 59630 67490
LCO2** kg 4330 7640 10960 12220 17450 22680 27910 24070 34740 45410 37950 54300 62410 70650
Daily evaporation rate LCO2*** 25 barg %/d 0,18 0,14 0,12 0,12 0,10 0,09 0,08 0,07 0,06 0,05 0,06 0,05 0,05 0,04
Max. withdrawal rate LCO2**** kg/h 115 140 160 205
Max. withdrawal rate LCO2***** kg/h 1180 1180 1180 1180
Weight, empty 25 barg kg 2980 4320 5750 6440 8310 10160 12150 11580 14010 16460 15490 18580
24900
Diameter (D) mm 1800 2100 2500 3000
Overall width (A) mm 2000 2100 2500 3000
Overall depth (B) mm 2150 2350 2800 3280
Height (H)****** mm 4030 5840 7650 6430 8430 10430 12430 8610 11610 14610 8890 11890 13390 14950

Notes:
* Filling 95% (equillibrium state at 1,013 bar).
** Filling 95% (equillibrium state at 10 bar).
*** based on pressure EN12213 (100 kPa and 15°C ambient temperature).
**** Stated withdrawal rates are with the standard flat fin PBU vaporizer at tank pressure 15 barg and 10°C.
Stated withdrawal rates are for short term withdrawal (up to 3 hrs) at tank pressure 10 barg.
*****optionally in case of higher withdrawals of CO2, electric vaporizer needed to be ordered, rate is for 4 kW.
******Tanks with extended legs (for filling station) are app. 790 mm higher.

Basic Dimensions

Nomenclature *


C1 Fill connection
C2 Gas return connection
GR Gas return valve
LI Level indicator
PBU Pressure building vaporizer
PI Pressure indicator
RG1 Pressure building regulator
S1 Safety valves, inner vessel
S2 Vacuum safety valve
S3 Thermal relief valve, PB circuit
S4 Thermal relief valve
V1 Bottom fill valve
V3 Isolation valve, bottom filling
V4 Valve, PB outlet
V5 Valve, vapor vent, gas outlet
v6 Valve, trycock
V9 Valve, liquid outlet
V12 Vacuum pump down
V14 Valve, safety relief section
V50 Valve, LI vapor phase
V51 Valve, LI liquid phase
V52 Valve, LI equalization

* standard model - not all options shown

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