RKB duct fan

Duct fan with a rectangular connection. RKB fan is a compact fan with very high efficiency. Airflow up to 14,100 m3/h (3,90 m3/s). RKB is available with either an AC motor or EC motor. The impeller blades are backward curved. Swing out mechanism ensures easy cleaning and service. The fan can be installed in any position.

Impeller with backward curved blades

The external impeller motor has maintenance-free bearings

IP 54 junction box

The fan housing is manufactured from galvanised steel

Swing-out mechanism for easy cleaning and maintenance

FanAIRFLOW (m3)POWER (W)CURRENT(A)RPM CONNECTION (mm)
RKB 300 x 150 C1540640,352460300x150
RKB 400 x 200 A1885,61150,52530400x200
RKB 400 x 200 B1 ErP1083,61690,732690400x200
RKB 400 x 200 E1 ErP115222912760400x200
RKB 500 x 250 A11580,41330,591270500x250
RKB 500 x 250 B1 ErP1129,21680,732680500x250
RKB 500 x 250 E1 ErP1306,82301,012750500x250
RKB 500 x 250 H12354,467532570500x250
RKB 600 x 300 B1 ErP2329,22001,021380600x350
RKB 600 x 300 B3 ErP2584,82400,451330600x350
RKB 600 x 300 C1 ErP3146,43501,821390600x350
RKB 600 x 350 B3 ErP2764,82450,461330600x350
RKB 600 x 350 C1 ErP3668,43671,871390600x350
RKB 600 x 350 D1 ErP37804762,181390600x350
RKB 600 x 350 D3 ErP34204240,791330600x350
RKB 700 x 400 B3 ErP4237,23860,8920700x400
RKB 700 x 400 D1 ErP4971,65672,571320700x400
RKB 700 x 400 E3 ErP53648301,581430700x400
RKB 700 x 400 F1 ErP6656,410404,831390700x400
RKB 800 x 500 B3 ErP6843,66391,44880800x500
RKB 800 x 500 D1 ErP977415506,81370800x500
RKB 800 x 500 E3 ErP7948,812102,71360800x500
RKB 800 x 500 K39579,617103,691400800x500
RKB 800 x 500 L3 ErP12016,823304,451350800x500
RKB 1000 x 500 L312470,424504,913501000x500
RKB 300 x 150 B1 EC644,41130,93700300x100
RKB 400 x 200 C1 EC1274,41621262650400x200
RKB 500 x 250 A1 EC1346,41621,243080500x250
RKB 500 x 250 B1 EC1573,22160,962760200x250
RKB 500 x 250 E1 EC2487,63661,592020500x250
RKB 600x300A1 EC3070,83661,591650600x300
RKB 600 x 300 B1 EC40508684,062190600x300
RKB 600 x 300 E3 EC4683,612201,882500600x300
RKB 600x350A1 EC4377,68804,042200600x350
RKB 600 x 350 E3 EC4975,212201,912500600x350
RKB 700 x 400 B1 EC5464,87203,291420700x400
RKB 700 x 400 B3 EC6933,615002,32300700x400
RKB 700 x 400 E3 EC8229,624203,682130700x400
RKB 800 x 500 A3 EC8344,812601,961400800x500
RKB 800 x 500 E3 EC1040425703,921800800x500
RKB 1000 x 500 B3 EC10303,215702,4512301000x500
RKB 1000 x 500 F3 EC13309,234505,216301000x500