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VKG-HC • Hot and cold water buffer tanks

  • R-AQUA
  • Buffer tank
  • 200 - 5000 L

The VKG-HC is an vapour-tight insulated buffer tank for applications with hot or cold water. These buffer tanks are used to increase the thermal inertia of chilled water or heat pump systems. They are necessary to limit the frequent restarting of compressors and they provide a sufficiently large thermal buffer during the defrost cycle of air/water heat pumps. The VKG-HC units have two additional connections for an additional source or for setting up this buffer tank as a hydraulic separator. The exterior coating can be made of PVC for indoor installation (VKG-HC) or embossed aluminum for outdoor installation (VKGE-HC). These buffer tanks are selected by CAIROX on a project basis and offered with a heat pump or ice water machine proposed by us.

Brand

  • R-AQUA

Composition

  • Insulation outer jacket from 200 to 1000 L: High density rigid polyurethane foam
  • Insulation outer jacket from 1500 L: Closed cell polyethylene foam + Polyester Fiber
  • Material tank: Carbon steel

Application

  • Increase thermal inertia of hot or chilled water systems
  • Avoids frequent restarts of compressors
  • Thermal buffer for air/water heat pumps during the defrost cycle

Specifications

  • Minimum temperature -10°C
  • Maximum temperature 90°C
  • Maximum Pressure 6 bar

Models

  • VKG-HC for indoor installation with outer jacket in coloured PVC
  • VKGE-HC (on demand) for outdoor installation with outer jacket in hammered aluminium plate

Articles

Article selection assistant
Type
Ø [mm]
U [V]
P [W]
Article number Type Ø [mm] U [V] P [W] E-shop
J090112100030 CVA-100-1f-300 MPI 100 230/1ph 300
J090112125030 CVA-125-1f-300 MPI 125 230/1ph 300
J090112125060 CVA-125-1f-600 MPI 125 230/1ph 600
J090112125090 CVA-125-1f-900 MPI 125 230/1ph 900
J090112125120 CVA-125-1f-1200 MPI 125 230/1ph 1200
J090112160100 CVA-160-1f-1000 MPI 160 230/1ph 1000
J090112160120 CVA-160-1f-1200 MPI 160 230/1ph 1200
J090112160200 CVA-160-1f-2000 MPI 160 230/1ph 2000
J090112160240 CVA-160-1f-2400 MPI 160 230/1ph 2400
J090112200100 CVA-200-1f-1000 MPI 200 230/1ph 1000
J090112200120 CVA-200-1f-1200 MPI 200 230/1ph 1200
J090112200200 CVA-200-1f-2000 MPI 200 230/1ph 2000
J090112200240 CVA-200-1f-2400 MPI 200 230/1ph 2400
J090112250100 CVA-250-1f-1000 MPI 250 230/1ph 1000
J090112250120 CVA-250-1f-1200 MPI 250 230/1ph 1200
J090112250200 CVA-250-1f-2000 MPI 250 230/1ph 2000
J090112250240 CVA-250-1f-2400 MPI 250 230/1ph 2400
J090112315100 CVA-315-1f-1000 MPI 315 230/1ph 1000
J090112315120 CVA-315-1f-1200 MPI 315 230/1ph 1200
J090112315200 CVA-315-1f-2000 MPI 315 230/1ph 2000
J090112315240 CVA-315-1f-2400 MPI 315 230/1ph 2400
J090212160300 CVA-160-2f-3000 MPI 160 400/2ph 3000
J090212160500 CVA-160-2f-5000 MPI 160 400/2ph 5000
J090212200300 CVA-200-2f-3000 MPI 200 400/2ph 3000
J090212200500 CVA-200-2f-5000 MPI 200 400/2ph 5000
J090212200600 CVA-200-2f-6000 MPI 200 400/2ph 6000
J090212200603 CVA-200-3f-6000 MPI 200 400/3ph 6000
J090212250300 CVA-250-2f-3000 MPI 250 400/2ph 3000
J090212250500 CVA-250-2f-5000 MPI 250 400/2ph 5000
J090212250600 CVA-250-2f-6000 MPI 250 400/2ph 6000
J090212250603 CVA-250-3f-6000 MPI 250 400/3ph 6000
J090212315300 CVA-315-2f-3000 MPI 315 400/2ph 3000
J090212315500 CVA-315-2f-5000 MPI 315 400/2ph 5000
J090212315600 CVA-315-2f-6000 MPI 315 400/2ph 6000
J090212315603 CVA-315-3f-6000 MPI 315 400/3ph 6000
J090212315903 CVA-315-3f-9000 MPI 315 400/3ph 9000
J090212400300 CVA-400-2f-3000 MPI 400 400/2ph 3000
J090212400500 CVA-400-2f-5000 MPI 400 400/2ph 5000
J090212400600 CVA-400-2f-6000 MPI 400 400/2ph 6000
J090212400603 CVA-400-3f-6000 MPI 400 400/3ph 6000
J090212400903 CVA-400-3f-9000 MPI 400 400/3ph 9000
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Technical data

VolumeØeHtRDE1E2E3E4G1G2IK1K2K3K4P1P2
Lmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
20051013351430125520-920-3201120320580850--3201120
3006101680179013055589510551155355140535564512557809803551405
5007601735189514062088511201220380145038069013007859853801450
75091017651990125685885114512453951445395685129582010203951445
10001010207523101257551095140515054151715415955156595511554151715
1500122022452560165840118015101610500180050010401650102012205001800
2000132025652885155885145018151915505210550513451955118013805052105
25001470236027851801015125515151665565186556510051615111513155651865
30001470286032201801315175518151965565236556515052115136515655652365
40001620293033501601340178018401990590239059015302140139015905902390
50001820297034851401350179018402000600240060015402150140016006002400

Notes

R= Maximum height while tilting to standing

Dimensions

VolumeDE1E2E3E4G1G2IK1K2K3K4P1P2T
200 L1"1/41/2"-1/2"-1"1/21"1/22"1"1/21"1/2--1"1/21"1/21"1/4
300 L1"1/41/2"1/2"1/2"1/2"2"2"2"1"1/21"1/21"1/21"1/22"2"1"1/4
500 L1"1/41/2"1/2"1/2"1/2"3"3"2"2"2"2"2"3"3"1"1/4
750 L1"1/21/2"1/2"1/2"1/2"3"3"2"2"2"2"2"3"3"1"1/2
1000 L1"1/21/2"1/2"1/2"1/2"3"3"2"2"2"2"2"3"3"1"1/2
1500 L2"1/2"1/2"1/2"1/2"3"3"2"2"2"2"2"3"3"2"
2000 L2"1/2"1/2"1/2"1/2"3"3"2"2"2"2"2"3"3"2"
2500 L2"1/2"1/2"1/2"1/2"4"4"2"2"2"2"2"4"4"2"
3000 L2"1/2"1/2"1/2"1/2"4"4"2"2"2"2"2"4"4"2"
4000 L2"1/2"1/2"1/2"1/2"4"4"2"2"2"2"2"4"4"2"
5000 L2"1/2"1/2"1/2"1/2"4"4"2"2"2"2"2"4"4"2"

Notes

  • D: Drain
  • E1 Connection to probe / thermometer
  • E2 Connection to probe / thermometer
  • E3 Connection to probe / thermometer
  • E4 Connection to probe / thermometer
  • G1 Connection to users
  • G2 Connection to users
  • I Connection to screw electrical heater
  • K1 Additional connection
  • K2 Additional connection
  • K3 Additional connection
  • K4 Additional connection
  • P1 Connection to energy source
  • P2 Connection to energy source
  • T Connection to bleedvalve

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