Primary Pump ø50 HY FLANGE – Group 2

Standard primary hydraulic pump, with external gears and in aluminium.
It is a component of group 2 and of type HY, according to our product classification for the application of screws. In the following/adjacent figure, you will find a diagram showing where the empty holes for the fixing screws are located on HY models.

Features and functions

It is a multiple pump stage to be assembled together with other components of group 0, group 1 and group 2. The flange of this model has a diameter of 50 mm. Stages are useful to always have in stock the pieces needed to compose multiple pumps based on your needs.

This model is also available with cast iron flange.

Characteristic Curves

 Download the file 9mscc2.pdf ~58 KB

Technical Data

  • Displacements from 4.2 cm3/rev to 39.6 cm3/rev
  • Maximum pressures up to 300 bar
  • Rotation speeds up to 3500 rpm

Options available

  • Viton
  • Shaft seal
  • Inlet and outlet in the body or in the flange
  • Available shafts:
    • Tapered shaft 1:8 with key
    • Parallel shaft with key
    • Splined shaft

In the following tables you will find the most common versions of this product in STEP format. For other configurations please contact our technical office.



We are here to help you

Do you have any questions or need more information on the type of accessory to apply to your Vivoil pump, motor or flow divider? For any question or request please write, call us or read our FAQ