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RADIK VKM

Steel panel radiator with bottom middle connection

Steel panel radiator with bottom middle connection

The concept of RADIK VKM radiators is based on the VENTIL KOMPAKT design. The original design of the inside distribution pipes allows the bottom middle connection of the radiator to the heating system. There are two upper and two lower hangers welded at the back of the radiator. Radiators in length 1800 mm and more have six hangers.

RADIK VKM panel radiators are designed for use in modern pressurized heating systems with horizontally led distribution pipelines either under the radiator, in the floor or in the wall.

The design of the RADIK VKM radiator is patent-protected.

Technical Data

Height (H) 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 10 VKM 47 mm
- Type 11 VKM 63 mm
- Type 21 VKM 66 mm
- Type 22 VKM 100 mm
- Type 33 VKM 155 mm
Connecting pitch 50 mm
Connecting thread 6 × G½ inside
Highest allowed working pressure 10 bar
Highest allowed working temperature (°C) 110 °C
Radiator connection middle 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 10 VKM Type 11 VKM Type 21 VKM Type 22 VKM Type 33 VKM
Height [mm] Height [mm] Height [mm] Height [mm] Height [mm]
Length [mm] 300 400 500 600 900 300 400 500 600 900 300 400 500 600 900 300 400 500 600 900 300 400 500 600 900
400 229 266 369 213 273 332 392 573 299 375 447 518 721 380 482 579 672 934
500 188 238 286 333 461 267 342 416 490 716 374 469 559 647 901 475 602 724 840 1168 1038 1206 1643
600 225 286 343 399 553 320 410 499 587 859 449 562 671 776 1081 570 722 868 1008 1401 1245 1447 1972
700 400 466 645 373 478 582 685 1002 524 656 783 906 1261 665 843 1013 1176 1635 1453 1688 2300
800 458 532 738 426 546 665 783 1146 598 750 894 1035 1442 760 963 1158 1344 1868 1065 1373 1660 1929 2629
900 515 599 830 480 615 748 881 1289 673 843 1006 1165 1622 855 1084 1302 1512 2102 1198 1544 1868 2170 2957
1000 572 665 922 533 683 831 979 1432 748 937 1118 1294 1802 950 1204 1447 1680 2335 1331 1716 2075 2411 3286
1100 629 732 586 751 914 1077 1575 823 1031 1230 1423 1982 1045 1324 1592 1848 2569 1464 1888 2283 2652 3615
1200 686 798 640 820 997 1175 1718 898 1124 1342 1553 2162 1140 1445 1736 2016 2802 1597 2059 2490 2893 3943
1400 801 931 746 956 1163 1371 2005 1047 1312 1565 1812 2523 1330 1686 2026 2352 3269 1863 2402 2905 3375 4600
1600 915 1064 853 1093 1330 1566 2291 1197 1499 1789 2070 2883 1520 1926 2315 2688 3736 2130 2746 3320 3858 5258
1800 1030 1197 959 1229 1496 1762 1346 1687 2012 2329 1710 2167 2605 3024 2396 3089 3735 4340
2000 1144 1330 1066 1366 1662 1958 1496 1874 2236 2588 1900 2408 2894 3360 2662 3432 4150 4822
2300 1911 2252 2571 2976 2185 2769 3328 3864 3061 3947
2600 2470 3130 3762 4368 3461 4462
3000 2850 3612 4341 5040 3993 5148

Types of Connection

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