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RADIK VKU

Steel panel radiator with right or left bottom connection

Steel panel radiator with right or left bottom connection

RADIK VKU is a steel panel radiator in VENTIL KOMPAKT version which allows left or right bottom connection to a pressurized heating system. There are no hangers welded at the back side of the radiator therefore the radiators in types 21, 22 and 33 can be turned.

Note: Type 33 VKU does not have symmetrically placed connections in relation to the depth of the radiator.

When mounting the radiator on the wall it is necessary to use the "Compact bracket Plus" (see the KORAMONT catalogue).

Technical Data

Height (H) 200, 300, 400, 500, 600, 900 mm
Length (L) 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1400, 1600, 1800, 2000, 2300, 2600, 3000 mm
Depth (B)
- Type 21 VKU 66 mm
- Type 22 VKU 100 mm
- Type 33 VKU 155 mm
Connecting pitch 50 mm
Connecting thread 6 x G½ inside
Highest allowed working pressure 10 bar
Highest allowed working temperature (°C) 110 °C
Radiator connection right or left bottom
Pressure Loss

In case of two-pipe heating system it is necessary to calculate the correct level of valve presetting and specify this in the project documentation to ensure a proper function of the heating system. This must be kept by the installer during installation of the heating system.

In case of one-pipe heating system it is necessary to set the valve at level 6. For adjusting the required mass flow in the radiator we recommend to use the compact connecting fitting with a fixed or adjustable flow volume of water in the radiator.


Heat output [W]

Heat output calculated to ∆T= 50; (t1/t2/ti = for 75/65/20 °C)

Type 21 VKU Type 22 VKU Type 33 VKU
Height [mm] Height [mm] Height [mm]
Length [mm] 500 600 900 200 300 400 500 600 900 200 300 400 500 600 900
400 447 515 702 386 486 581 672 925 832 962 1331
500 559 644 877 483 608 726 840 1157 1040 1203 1664
600 670 773 1052 580 730 871 1007 1388 1247 1444 1997
700 782 902 1228 676 851 1016 1175 1619 1455 1684 2330
800 894 1030 1403 519 773 973 1162 1343 1850 747 1103 1390 1663 1925 2662
900 1005 1159 1579 584 869 1094 1307 1511 2082 841 1241 1564 1871 2165 2995
1000 1117 1288 1754 649 966 1216 1452 1679 2313 934 1379 1738 2079 2406 3328
1100 1229 1417 1929 714 1063 1338 1597 1847 2544 1027 1517 1912 2287 2647 3661
1200 1340 1546 2105 779 1159 1459 1742 2015 2776 1121 1655 2086 2495 2887 3994
1400 1564 1803 2456 909 1352 1702 2033 2351 3238 1308 1931 2433 2911 3368 4659
1600 1787 2061 2806 1038 1546 1946 2323 2686 3701 1494 2206 2781 3326 3850 5325
1800 2011 2318 3157 1168 1739 2189 2614 3022 4163 1681 2482 3128 3742 4331 5990
2000 2234 2576 3508 1298 1932 2432 2904 3358 4626 1868 2758 3476 4158 4812 6656
2300 1493 2222 2797 3340 3862 2148 3172 3997 4782 5534
2600 1687 2512 3162 3775 4365 2428 3585 4519 5405 6256
3000 1947 2898 3648 4356 5037 2802 4137 5214 6237 7218

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