KORAFLEX Basic FKB

Trench Heaters with natural convection

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KORAFLEX Basic FKB is an economic variant of trench heater ideal for project solutions. Manufactured from non-lacquered hot-dip galvanized steel and fitted with silver elox U-frames or frames suitable for Cross grilles.

délka od 800 do 3000 mm (po 100 mm) 

délka od 800 do 3000 mm (po 100 mm) 

šířka od 140 do 400 mm

šířka od 140 do 400 mm

hloubka od 70 do 110 mm

hloubka od 70 do 110 mm

výkon od 41 do 1739 W

výkon od 41 do 1739 W

KORAFLEX Basic FKB we offer these in 345 alternatives

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Heat output (For professionals)

t1: 75 °C
t2: 65 °C
ti: 20 °C
ΔT: 50 °C

The heat output of the radiator should cover the specified heat losses of the heated room, which are calculated by the designer. t1 – temperature of input water entering the radiator t2 – temperature of output water exiting the radiator ti – relative air temperature (design temperature of air in the room) (Temperatures t1 and t2 are based on the design documentation of the heating system or the selected heat source)

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Dimensions (d × l × w)
mm
Heat output
Tepelný výkon radiátoru má pokrýt stanovené tepelné ztráty vytápěné místnosti, které jsou vypočteny projektantem.
watt
Your selection
Dimensions (d × l × w) (mm)
70 × 800 × 140
Heat output (watt)
41
Your selection
Dimensions (d × l × w) (mm)
70 × 800 × 200
Heat output (watt)
76
Your selection
Dimensions (d × l × w) (mm)
70 × 800 × 260
Heat output (watt)
90
Your selection
Dimensions (d × l × w) (mm)
70 × 800 × 320
Heat output (watt)
103
Your selection
Dimensions (d × l × w) (mm)
70 × 800 × 400
Heat output (watt)
131
Your selection
Dimensions (d × l × w) (mm)
90 × 800 × 140
Heat output (watt)
50
Your selection
Dimensions (d × l × w) (mm)
90 × 800 × 200
Heat output (watt)
120
Your selection
Dimensions (d × l × w) (mm)
90 × 800 × 260
Heat output (watt)
153

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Technical information

Technical Data

KORAFLEX Basic FKB | fkb-120_09_26.png
Depth (mm) 70, 90, 110
L: Length (mm) 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000, 2100, 2200, 2300, 2400, 2500, 2600, 2700, 2800, 2900, 3000
Width (mm) 140, 200, 260, 320, 400
Highest allowed working temperature (°C) 110 °C
Highest allowed working pressure 1,2 Bar
Connecting thread inside G½

Heat output

ΔT = 50°C Length (mm)
Width[mm] Depth[mm] 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700 2800 2900 3000
140 70 41 51 61 71 81 91 101 111 120 130 140 150 160 170 180 190 200 209 219 229 239 249 259
200 70 76 91 105 120 135 150 165 180 195 209 224 239 254 269 284 299 313 328 343 358 373 388 403
260 70 90 108 126 144 161 179 197 214 232 250 268 285 303 321 338 356 374 392 409 427 445 462 480
320 70 103 124 146 168 190 212 233 255 277 299 320 342 364 386 408 429 451 473 495 516 538 560 582
400 70 131 157 183 208 234 260 286 311 337 363 389 414 440 466 491 517 543 569 594 620 646 672 697
ΔT = 50°C Length (mm)
Width[mm] Depth[mm] 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700 2800 2900 3000
140 90 50 62 74 86 98 110 122 134 146 158 170 182 194 206 218 230 242 254 266 278 290 302 314
200 90 120 143 167 190 214 237 261 284 308 331 355 378 402 426 449 473 496 520 543 567 590 614 637
260 90 153 183 213 243 273 303 333 363 393 423 453 483 513 543 573 603 633 663 693 723 753 783 813
320 90 195 236 278 319 361 402 444 485 526 568 609 651 692 733 775 816 858 899 940 982 1023 1065 1106
400 90 275 329 383 437 490 544 598 652 706 760 814 868 922 976 1029 1083 1137 1191 1245 1299 1353 1407 1461
ΔT = 50°C Length (mm)
Width[mm] Depth[mm] 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 2500 2600 2700 2800 2900 3000
140 110 56 69 82 95 108 122 135 148 161 175 188 201 214 227 241 254 267 280 294 307 320 333 346
200 110 142 170 198 226 254 282 309 337 365 393 421 449 477 505 532 560 588 616 644 672 700 728 755
260 110 184 221 257 293 329 365 401 438 474 510 546 582 618 655 691 727 763 799 835 872 908 944 980
320 110 237 287 338 388 438 489 539 589 640 690 740 791 841 891 942 992 1042 1093 1143 1193 1244 1294 1344
400 110 327 391 456 520 584 648 712 776 841 905 969 1033 1097 1161 1226 1290 1354 1418 1482 1546 1611 1675 1739

Technical drawing

Hloubka 70 mm
Hloubka 90 mm
Hloubka 110 mm

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