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CG-L4 Progressive Cavity Grout Pumps

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The ChemGrout CGL4 is a skid mounted, Size 4, Flanged-Inlet Progressive Cavity Grout Pump. The progressive cavity pump is a perfect solution when pumping viscous, abrasive or solid laden materials. The L4 is designed to pump neat cement, bentonites, cement/bentonite, ultrafine cements, and some smooth, creamy, lightly sanded packaged grout mixes. The CGL4 pump cannot pump heavily sanded grouts, repair mortars or pea gravel. These progressive cavity grout pump systems feature output volumes from 1 GPM (3.8 LPM) to 12 GPM (45 LPM) and output pressures from 174 PSI (12 BAR) up to 522 PSI (36 BAR). These grout pumps are positive displacement, progressing cavity, rotor-stator type pumps. The pumps are equipped with holding hoppers and hopper screens, various sizes are available. All these grout pumps are designed with variable speed controls to give you complete control over the grout flow. The pump bypass assembly ensures proper pressure control during grouting operations. The operator controls are centrally located for efficient, safe production. All components are easily accessible for operating, cleaning, and maintenance.


How to Find the Right Equipment

Use the ChemGrout Pumpability Index®

Match your project’s grout materials to the correct ChemGrout pump for reliable results.

Quickly compare grout compatibility across different pre-blended manufacturers and identify the right ChemGrout pump for each material.

Match grout materials to the minimum pump size required for each jobsite application, ensuring reliable performance and efficient results.

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