SMAK for bottom drives

Item Description
1.1 Inner rotor
1.2 Outer rotor
2 Can
3 Nut
4 Bearing bushing
5, 6 O-Ring
7 Set screw

SMAK

Features

Magnetic couplings of the SMAK series are used to transfer torque into mixers and agitators. Top drive, bottom drive or lateral drive. Dangerous or precious media remain isolated in the closed vessel.

Advantages

  • Magnetic coupling for mixers and agitators
  • Hermetically sealed
  • Sterile design
  • Parts in contact with the medium are electro-polished
  • No contamination by buffer media
  • No contact of torque transmitting elements
  • No maintenance necessary
  • Sliding bearing for bottom drives included
  • Speed monitoring optional
  • Weld-in or screw-in flanges available

Operating range

Shaft diameter: d = ... 40 mm (1,57")
Pressure: vacuum ... 7 bar (102 PSI)
Temperature: t = -40 °C ... +150 °C
(-40 °F ... +302 °F)
Speed: n = ... 400 min-1
Chemical resistance: pH 0 … 14
Viscosity: 0.3 … 5,000 mPas (SiC)
Torque: max. 270 Nm (bottom drive),
330 Nm (top drive)
Solids: max. 0.1 mm; max. 5 % by weight; grain hardness max. 700 HV

Materials

Sliding bearings: Silicon carbide or zirconia, FDA-compliant
Bearings: Silicon nitride
Magnets: Samarium cobalt
Secondary seals and metal parts according to application and customer's specifications.

Standards and approvals

  • QHD
  • GMP
  • FDA

Functional description

The power transmission occurs contact-free through magnets from the drive shaft to the product wetted output shaft. Between the two rotating parts is the can wich is bolted to the container.

Notes

Top drive coupling with dry running roller bearings available.



Product variants

SMAK for top drives

Item Description
1.1 Inner rotor
1.2 Outer rotor
2 Motor connection
3 Can
4, 5 Bearing
6 Agitator blade connection
SMAK4-75-4/40
for top drives

Max. torque: 16 Nm
Rotational speed: 0 … 400 min-1
Temperature: (max.) 130 °C (266 °F)
Pressure: 25 bar (363 PSI)
Overall height (agitator element connection to top edge of flange): 340 mm
Diameter (outer magnetic rotor): 110 mm
Materials:
1.4435, EPDM (FDA), Si3N4, PEEK
Surface finish: Ra <0.5
SMAK4-75-6/-40
for top drives

Max. torque: 24 Nm
Rotational speed: 0 … 400 min-1
Temperature (max.) 130 °C (266 °F)
Pressure 25 bar: (363 PSI)
Overall height (agitator element connection to top edge of flange): 360 mm
Diameter (outer magnetic rotor): 110 mm
Materials:
1.4435, EPDM (FDA), Si3N4, PEEK
Surface finish: Ra <0.5
SMAK4-135-6/75
for top drives

Max. torque: 100 Nm
Rotational speed: 0 … 400 min-1
Temperature (max.): 130 °C (266 °F)
Pressure. 25 bar (363 PSI)
Overall height (agitator element connection to top edge of flange): 515 mm
Diameter (outer magnetic rotor): 110 mm
Materials:
1.4435, EPDM (FDA), Si3N4, PEEK
Surface finish: Ra <0.5