The MVB Series is our line of continuous-duty, Vertical Vibrators with bottom lateral flange mount with shaft projections on both top and bottom. These Vibrators can be supplied with easy to adjust eccentric weights to change force settings. This Series complies with IEC and EN Zone 21 and 22 standards for use in potentially explosive atmospheres due to the presence of powders. CSA approved Class 1, Div 2 Groups A, B, C and D upon request. These Vibrators are available: 3Ph Power; in 1800-RPM or 1200-RPM @ 60-Hz / 1500-RPM or 1000-RPM @ 50-Hz; Centrifugal Force Range: 2,170 to 15,400 lbf.