K.B Series

Drywell/Mixer - Bevel/Helical Gearboxes

K series mixer gearboxes with forced output shaft bearings, special sealings and extra oil leakage pool to prevent oil leakage out of gear unit. They are specifically designed for food and wastewater treatment industries where oil leakage can be a problem. Oil leakage can also be detected with optional oil sensor.

Input Type

KNB Series

With IEC B5/B14 motor flange

KRB Series

Direct motor coupled

KTB Series

With solid input shaft

KVB Series

With IEC B5/B14 motor mounted

Output Type

K.B.0A Series

Drywell with hollow output shaft

K.B.1A Series

Drywell with solid output shaft

K.B.SA Series

Drywell with shrink disc

    Specifications & Advantages

  • Reinforced bearings and flange for withstanding high radial and axial loads.
  • Special sealings, extra oil leakage pool and optional oil sensor to detect and prevent the oil leakage.
  • Labyrinth sealing for excessive dust


Gearbox Gearbox Size
Ratio Range Ratio Range [i]
Nominal Torque Nominal Torque [Nm]
Hollow Shaft Diameter Hollow Shaft Diameter [mm]
K.B28 6 - 3.333 600 Ø40/80
K.B37 6 - 3.467 820 Ø40/80
K.B47 6 - 5.227 1.550 Ø50/100
K.B57 7 - 6.612 2.700 Ø60/120
K.B67 8 - 12.681 4.300 Ø70/140
K.B77 7 - 15.619 8.000 Ø90/170
K.B87 10 - 12.789 15.000 Ø110/210
K.B97 12 - 15.681 20.000 Ø120/210