Submersible Sand Gravel Pump

Hydroman^® Heavy-Duty Electric Gravel & Dredge Pumps

Engineered for Extreme Solids Handling
Hydroman^® TJQ Series vertical electric gravel pumps are built to tackle the most demanding applications – from sand dredging to mining slurry transport. Featuring wear-resistant high-chrome alloy construction, these heavy-duty pumps excel in handling abrasive mixtures containing gravel, rocks (up to 8" diameter), shells, and large solids with minimal wear.

Key Advantages Over Competitors 

• Electric-Driven Efficiency: Eliminate hydraulic systems with direct 3-phase electric power for lower energy costs and zero oil leaks.

• Vertical Sand Dredge Pump Design: Compact footprint ideal for confined spaces on barges or construction sites.

• Big Solids Clearance: TJQ series impellers pass rocks up to 30% larger than standard horizontal pumps.

• Hyperchrome^® A61 Equivalent Alloy: Proprietary abrasion-resistant materials extend wear life by 2.3x in gravel pumping.

Critical Applications

Hydroman^® sand suction aggregate pumps are trusted in:

• Mining Slurry Transfer: Copper, iron ore, mineral sands with high solids concentration (up to 70% w/w).

• River Dredging: Vertical sand dredge pump models remove sediment with embedded rocks without clogging.

• Construction Dewatering: Pump sand-gravel mix from foundation pits using submersible TJQ-300D models.

• Aggregate Processing: Continuous operation in sand/gravel plants handling 200 TPH abrasive flows.

Why TJQ Series Outperforms Hydraulic Pumps

• Low Ownership Costs

No oil recirculation systems – grease-lubricated bearings reduce maintenance by 40%.

Close-tolerance lantern restrictor cuts gland water usage by 65%.

• Rapid Maintenance

Split release collar allows impeller removal in <45 minutes (vs 3+ hours on legacy pumps).

One-piece cast housing with pre-aligned bearing cartridge minimizes downtime during rebuilds.

• Extended Wear Life

Side sealing vanes prevent solids ingress into gland areas, doubling seal lifespan.

Oversized shafts (Ø150mm+) withstand deflection from rock impacts.

Genuine Hydroman^® Replacement Parts

Essential for High-Abrasion Services
• Aggressive solids like granite or slag accelerate wear on:

• Impellers (replace every 800-1,200 hrs in gravel service)

• Casing liners (1,500-2,000 hrs lifespan)

• Shaft sleeves (ceramic-coated options available)

Benefits of OEM Parts

• Precision Fit: Eliminate vibration from non-genuine part gaps.

• Material Guarantee: All components use Hydroman^®-certified high-chrome alloys.

• Inventory Availability: Global stock of TJQ series kits (seals, bearings, wear plates).

Technical Specifications Highlight

Optional Upgrades

• Agitator attachment for viscous sludge with settled solids

• Explosion-proof motors (ATEX/IECEx certified)

• Remote monitoring sensors (vibration/temperature)

Industry-Proven Reliability

Since 1987, Hydroman^® electric dredge pumps have operated in:

• Indonesian tin dredging fleets (24/7 operation with 92% uptime)

• Canadian oil sands extraction (pumping 60% solids slurry at -40°C)

• UAE aggregate plants (1.2M operating hours on original TJQ bearings)

Request a Wear Life Calculator

Contact our engineers for custom lifespan estimates based on your slurry:

• Particle size distribution

• Abrasiveness index (Miller Number)

• PH/temperature conditions

Sara Liang

+86 189 3110 6396 (24/7 Support)
Inquiry@tobeepump.com