On the job, grout discharged from a ready mix truck passes through a grate covering the pump hopper, which screens out oversized ag- gregate that can block the pump. … During the pressure stroke, the inlet valve closes, the outlet valve opens, and the piston pushes the grout from the tube into the pipeline (Ref.

Why do you grout pump bases?

In addition to strength and stiffness, grouting locks the pump base to the foundation, making it heavier. This helps maintain the shaft-to-shaft alignment, reducing wear on the moving parts. Proper alignment minimizes wear on parts, which helps reduce the repair cost down the road for the end user.

Can you pump non shrink grout?

The Kenrich line of heavy duty grout pumps are designed to pump non-shrink sand based cementitious grouts. However, if you need to pump Grout with AGGREGATE, we recommend a factor premix Grout in the bags with no bigger than 3/8” pea gravel.