Important OEM Moved to Busch

Gurugram, India With the support of Busch GVT, Busch India already delivered more than 200 DOLPHIN LX liquid ring vacuum pumps to an extrusion machine manufacturer in India.
Extrusion lines can be used to produce pipes, profiles and films, among other things. Source: XArtProduction – shutterstock.com.
Extrusion lines can be used to produce pipes, profiles and films, among other things. Source: XArtProduction – shutterstock.com.

In extrusion, viscous masses are forced out of a forming orifice under pressure. This creates profiles like pipes or window frames in any length. Vacuum pumps are used in two places in this process: upstream to the melt in the extruder to remove trapped gases that can create voids or other imperfections in the final product, and downstream to the solid product for calibration of the profiles.


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