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Gravel pumps, dredge pumps, and standard slurry pumps can all transport media containing solid particles, but their primary applications and structural focuses differ.

Heavy-duty gravel pumps are mainly used to transport slurries containing larger sand grains, gravel, or highly abrasive particles. Selection requires key focus on particle passing capability, impact resistance conditions, and wet-end parts wear.

Dredge pumps are primarily used in dredging projects such as rivers, ports, waterways, land reclamation, and hydraulic engineering. In addition to handling solids, factors such as long-distance discharge, matching with dredging equipment, on-site mobility, and slurry concentration variations must also be considered.

Standard slurry pumps are more commonly used for fixed slurry transportation in mining, mineral processing, metallurgy, and industrial production lines, typically paired with specific process equipment and piping systems.

When selecting, compare the following: whether the medium is fine-particle mineral slurry, silt, mortar, or gravel slurry; maximum particle size and shape; solids content and medium density; degree of particle impact; discharge distance and head; installation method; whether it needs to be matched with a dredger; whether operation is continuous; and on-site maintenance conditions.

If the medium is predominantly fine-particle mineral slurry, a standard slurry pump may be more suitable; if it contains larger sand grains and gravel, heavy-duty gravel pumps should be primarily evaluated; if the project belongs to a complete dredging and reclamation system, an integrated selection combining dredge pumps and supporting equipment is required.