Product Description


MVB Series

Flanged Electric Vibrator

Electric vibrators with top mounting flange


The MVB series is made up of vertical vibrators with lateral flange and shaft projecting on both sides. These vibrators are typically used in circular screens and medium-size and large sieves, and can be supplied in 4 different versions, depending on type of eccentric weights supplied to be assembled by the user. Size 50 is only available in B, C and D versions. The size 50 complies with the most recent IEC and EN international standards for use in atmospheres with potentially explosive powders. In particular, the size 50 series can be used in areas 21 and 22.


Power Supply

Three-phase voltage from 220V to 690V, 50Hz or 60Hz. Suitable for use with a PWM frequency drive from 20Hz to the base frequency with constant torque load profile


4 poles


Continual service (S1) at maximum declared centrifugal force and electric power

Centrifugal Force

Range extended up to 7000 Kgf. (68.7 KN)

Insulation Class

Class F (155°C), class H (180°C) on request

Electric motor

Three-phase asynchronous type Insulated windings using “drop by drop” trickle system with class H resin



MVB frame size 50, MVB-FLC frame size 50


II 2 D

Level of Protection

tD A21 IP66 (ongoing upgrade to Ex tb IIIC Db)

Temperature Class


CE Certificate

LCIE 05 ATEX 6163 X

Areas of Use

21, 22


Need more information?We can help.