top of page

620 - BL 
For fans and blowers


MTZ 620-BL provides the best solution for sealing blowers.

The MTZ620BL is easy to maintaine, and provides 3-4 weeks notice before maintenance.

  1. Can be serviced while the equipment is running, no downtime.  

  2. Simple to install and maintain.

  3. Free of fragile faces.

  4. Average life before servicing - 3 years.

Standard Parameters

Max. sealing pressure

Up to 0.5 bar (7 psi)

Max.shaft speed 

3 m/s (10_ft/s)





Max Temperature 

200°C (392°F)

Max radial runout 

1mm (0.04”)

Seal options

Screen Shot 2021-09-12 at 16.22.58.png

Standard dimensions for typical applications/split cartridge

Screen Shot 2021-09-12 at 16.23.02.png

Air flushed seal for high pressure applications

Screen Shot 2021-09-12 at 16.23.09.png

Bearing supported for custom designed applications

Screen Shot 2021-09-12 at 16.23.12.png

Flexible joint integrated for high shaft run-out

bottom of page