All of construction sites : Buildings bridge dams tunnels and etc. they Require good foundation and strength structural. 

This is why they need the concrete vibrators. So that the poured fresh concrete will be tightly packed and caught up. 
The air will getting out of Concrete before it dried so, that mean the more strength you can get!

This type of vibration is wide range use, suitable for all kind of concrete. Especially Low viscosity concrete (Low slump Concrete).

To remove air and strengthen concrete.

The vibration is controlled and operated by Air (Pneumatic).

Lightweight, durable and easy to use.

Can hold hands with people, We can teach you to use them!

The technical information and the differences between the different Models. Will be based on as the following:

Model       Diameter of the head (mm)    Centrifugal vibration (N)    Air Consumption (l / min)    Weight (Kg).

NVL 25               25                                     653                                360                                2.3

NVL 35               35                                    1665                               450                                 5.5

NVL 45               45                                    3200                               640                                 5.3

NVI 55               55                                    6602                               850                                 7.3

NVI 75               75                                   14016                              1200                               12.5

NVL 86              87                                    17750                              1400                              17.3

NVI 115S          115                                    24200                             1600                              23.0

NVI 140S          140                                   34300                              2500                               36.0