Size: 350mm Capacity: 1250-1750m3/h Head: 30-40m Max. particles: 55mm Temperature Range: ≤80°C Materials: High chrome alloy, Cast iron, SS304, SS316L, Duplex SS etc
When you are moving abrasive sand, mine tailings, or heavy sludge, the pump you choose determines whether your operation runs for months without a shutdown or limps along with weekly repairs. The Hydroman 350TJQ Submersible Sand Slurry Pump is built for the first outcome. It is a heavy duty, electric driven, agitator equipped submersible slurry pump engineered for continuous duty in mining, dredging, and industrial slurry transfer, and it is designed to give you dependable performance where ordinary submersible pumps wear out in weeks.
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• Overview • Understanding the Anti Abrasive Sand Slurry Pump • Heavy Duty Submersible Slurry Pump Advantages • Sand Slurry Pump Features • What Makes the Hydroman Sand Slurry Pump Stand Out • Sand Suction Pump Machine for Tough Conditions • Submersible Sand Pump • High Head Sand Slurry Pump • Technical Specifications |
• Submersible Slurry Pump Range • Submersible Slurry Pump Model Comparison • Industries Served • Case Study: Remote Copper Mine Tailings Transfer • Sand Slurry Pump Curve • Why Material Matters in a Sand Sludge Slurry Pump • Sand Pumping Machine • Pontoon Barges and Pump Floats • Ancillary Products |
• Replacement Parts • Sand Slurry Pump Spare Parts • Services and Maintenance • Related Services • Best China Sand Slurry Pump Manufacturer • Related Products • Frequently Asked Questions • Contact Us
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The Hydroman 350TJQ Submersible Sand Slurry Pump is a heavy duty, electric driven slurry pump built for pumping high density sand, sludge, and abrasive slurry in demanding industrial settings. You get a rugged casing, wear resistant wetted parts, and an integrated agitator that keeps settled solids in suspension, so the pump keeps delivering a consistent slurry mixture even when conditions on site are far from ideal.
Unlike a hydraulic submersible slurry pump, which depends on a separate hydraulic power unit and a network of hoses and valves, the 350TJQ runs on a submersible electric motor. That means you get a simpler installation, lower operating cost, and fewer components that can fail in the field. It is the reason so many mining and dredging teams are moving away from hydraulic systems and toward electric submersible slurry pumps for their day to day tailings and sand transfer work.
You will see the 350TJQ referred to under several names depending on the application: a submersible dredge pump, a sand suction pump, a submersible sludge pump, or simply a slurry transfer pump. Whatever you call it, the job is the same, moving large volumes of solids laden liquid reliably, shift after shift.
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Sand and slurry duty is punishing. A stream carrying angular quartz sand at a specific gravity of 1.3 to 1.6 will erode a standard cast iron pump casing within a few hundred operating hours. The Hydroman 350TJQ is built specifically as an anti abrasive submersible sand slurry pump, engineered to hold up against sand particles, mineral fines, tailings, and thick sludge without losing efficiency prematurely.
You get this durability from a combination of design choices working together rather than any single feature. The pump uses high chromium wear resistant alloy in the impeller and liner, typically in the 24 to 28 percent chromium range, which gives you a hardness rating well above standard cast iron and significantly better resistance to erosive wear. The impeller itself is a heavy duty open design suited to passing large solids without clogging, the drive motor delivers high torque so the pump does not stall when it hits a dense pocket of settled material, and the agitator keeps solids suspended so the pump is always drawing a workable mixture instead of fighting sludge that has packed down on the floor of a pit or sump.
The result is a pump that holds its performance curve in mining, dredging, construction dewatering, and wastewater applications where a lighter duty pump would fail long before its expected service life is reached.
Hydroman heavy duty submersible slurry pumps are built around one goal, keeping your slurry moving without unplanned downtime. Here is what that means for you in practical terms.
Electric Driven Design
The 350TJQ runs on a submersible electric motor rather than a hydraulic drive. You avoid the cost and complexity of a hydraulic power pack, you have fewer hoses and fittings that can leak or burst, and the pump is ready for continuous operation without the heat and maintenance burden that hydraulic systems typically carry. Installation is also considerably faster, since you are connecting a power cable and control panel rather than plumbing an entire hydraulic circuit.
Superior Abrasion Resistance
Every wetted component that contacts the slurry stream, from the impeller to the pump casing and wear plate, is manufactured from wear resistant alloy selected for abrasive duty. That translates directly into a longer service life between rebuilds and a lower total cost of ownership across the life of the pump.
Powerful Agitation Capability
The built in agitator breaks up settled solids at the base of a sump or pit and mixes them into a pumpable slurry before the material ever reaches the impeller eye. This is particularly valuable when you are dealing with tailings or sludge that has been sitting undisturbed, since the agitator does the work that would otherwise require a separate mixer or manual intervention.
High Solids Handling
You can run sand, mud, tailings, mineral slurry, and construction waste slurry through the 350TJQ with confidence, since the pump is sized to pass large solids and sustain high concentration mixtures rather than only clean or lightly loaded water.
The table below summarizes the core specification of the Hydroman 350TJQ electric submersible sand slurry pump so you can quickly check it against your application requirements.
| Feature | Description |
| Drive Type | Electric submersible motor |
| Pump Type | Submersible slurry pump with agitator |
| Typical Application | Sand, sludge, and slurry pumping |
| Agitation System | Integrated mechanical agitator |
| Construction | Heavy duty, continuous duty rated |
| Wetted Parts Material | High chrome wear resistant alloy, 24 to 28 percent chromium |
| Solids Handling | High concentration slurry, coarse and fine particles |
| Installation | Fully submerged operation |
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You may already be familiar with submersible pumps used for clean water dewatering. Sand and slurry duty is a different challenge entirely, and it calls for a purpose built pump rather than a general purpose one pressed into service. The table below sets out where the 350TJQ differs from a standard submersible pump.
| Standard Submersible Pump | Hydroman 350TJQ |
| Designed mainly for clean or lightly loaded water | Designed for abrasive, high concentration slurry |
| Limited solids passing capability | High solids pumping with large particle passage |
| Standard cast iron or bronze wetted parts | High chrome wear resistant alloy wetted parts |
| No side cutters system | Integrated 2, 3 or 4 side cutters for solids suspension |
| Shorter service life under abrasive duty | Extended wear life under continuous abrasive duty |
 Standard Submersible Pump
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 Hydroman 350TJQ Electric Sand Pump |
You can put the 350TJQ to work as a sand suction pump machine across a wide range of field conditions, including river sand extraction, mining slurry transfer, pond and lagoon cleaning, tailings recovery, and general dredging projects. Because the pump is fully submersible, you lower it directly into the slurry source rather than building a suction line and priming system on the surface, which cuts your setup time and removes one of the most common failure points in surface mounted sand pumping equipment, namely loss of suction prime.
Submersible Sand Pump
As a professional submersible sand pump, the 350TJQ is built to transfer sand and water mixtures along with abrasive slurry across sand dredging, mineral processing, sludge removal, and tailings pumping applications. Because it is an electric submersible sand pump rather than a hydraulic unit, you get stable performance without needing a hydraulic power pack, hydraulic hoses, or the reservoir and cooling equipment that a hydraulic system requires on site. |
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High Head Sand Slurry Pump
Long distance slurry transport is one of the more demanding jobs you can ask of a pump, since head loss and pipeline friction increase quickly as distance and solids concentration rise. The 350TJQ is engineered as a high head sand slurry pump with a hydraulic profile optimized for efficient transfer, lower energy consumption per ton of solids moved, and stable discharge pressure over long pipeline runs, so your slurry keeps moving at the flow rate you planned for rather than losing velocity partway down the line. |
The following specifications apply to the standard Hydroman 350TJQ configuration. Contact Hydroman engineers for the full performance curve and for motor power and voltage options matched to your site.
| Parameter | Specification |
| Model | 350TJQ |
| Pump Type | Electric submersible sand slurry pump with agitator |
| Discharge Size | 14 inch (350 millimeter) |
| Drive Type | Submersible electric motor |
| Typical Application | Sand, sludge, and slurry transfer |
| Impeller Type | Heavy duty open impeller |
| Agitator | Integrated, available on request |
| Maximum Medium Temperature | 40 degrees Celsius |
| Maximum Slurry Specific Gravity | Up to 1.8, application dependent |
| Solids Handling | High concentration slurry, large particle passage |
Hydroman® TJQ350 Submersible Sand Slurry Pumps Performance Parameters:
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No. |
Model |
Size (mm) |
Capacity Q (m3/h) |
Head H (m) |
Power P (kW) |
Eff. η (%) |
Speed n (r/min) |
Max. particles (mm) |
Weight (kg) |
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1 |
350TJQ1250-35-220 |
350 |
1250 |
35 |
220 |
65 |
980 |
45 |
3400 |
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2 |
350TJQ1750-30-250 |
350 |
1750 |
30 |
250 |
70 |
980 |
55 |
3750 |
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3 |
350TJQ1500-35-250 |
350 |
1500 |
35 |
250 |
70 |
980 |
50 |
3750 |
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4 |
350TJQ1750-40-315 |
350 |
1750 |
40 |
315 |
70 |
980 |
55 |
4200 |
Flow rate, total head, and motor power figures for the 350TJQ are matched to your project during quotation, since discharge distance, slurry density, and particle size all affect the correct duty point. Send Hydroman your pipeline layout and slurry data and you will receive a sizing recommendation and full datasheet in return.
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Hydroman produces a complete range of electric submersible slurry pumps to cover different duty points, so you are not forced to oversize or undersize a pump to fit a limited catalog. The range includes the TJQ series of submersible slurry pumps, dedicated submersible sand pumps, heavy duty submersible slurry pumps for continuous high abrasion duty, and dredging slurry pumps sized for larger scale sand and tailings recovery projects. Whether you are running a small submersible sand slurry pump on a modest construction dewatering job or specifying a large unit for a mine tailings pond, Hydroman has a model built around that duty point rather than a single pump stretched across every application.
You will come across several types of slurry pump when you research this equipment category, including well known names such as Warman submersible pumps, Toyo submersible agitator sand pumps, Goodwin submersible slurry pumps, and Texmo slurry pumps. These are established brands in the slurry pumping industry, and Hydroman is frequently compared against them by customers evaluating options. The table below places the 350TJQ alongside the general categories of slurry pump you are likely to be weighing against each other, electric driven and hydraulic driven.
| Model | Typical Application | Drive Type |
| Hydroman 350TJQ | Large scale sand and slurry pumping | Electric |
| Hydroman TJQ Series | Mining and dredging slurry transfer | Electric |
| Hydraulic Submersible Slurry Pump | Heavy duty mobile pumping | Hydraulic |
A hydraulic submersible slurry pump is typically the right choice where a hydraulic power system already exists on site, for example on an excavator mounted dredge pump. Where that is not the case, an electric submersible slurry pump such as the Hydroman TJQ series gives you easier installation, a shorter commissioning time, and lower ongoing operating complexity, which is why so many mine sites and dredging contractors are standardizing on electric units for stationary and semi permanent slurry duty.
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You will find the Hydroman 350TJQ submersible slurry pump at work across several industries.
• In mining, it handles tailings transfer, mineral slurry pumping, and mine dewatering, where abrasive solids concentration and continuous duty cycles put the greatest demand on a pump.
• In dredging, it supports sand recovery, river dredging, and reservoir cleaning projects where large volumes of sand laden water need to move quickly.
• In construction, it is used for foundation excavation dewatering and underground slurry removal.
• In wastewater treatment it serves sludge pumping and industrial waste transfer duties where solids concentration is too high for a standard clean water submersible pump.
Copper Mine
A remote copper mine operator needed a dependable way to transfer abrasive tailings slurry under difficult site conditions, with limited access for maintenance crews and no existing hydraulic infrastructure to draw on. |
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Hydroman Submersible Pump
After switching to a Hydroman submersible sand slurry pump, the site reported improved pumping stability, better wear resistance on wetted components, more efficient scheduled maintenance, and higher overall equipment uptime. |
Electric Driven Solution
Because the pump is electric driven, the mine did not need to install or maintain a separate hydraulic power system, which reduced both installation complexity and the number of components a remote maintenance team had to support. |
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Hydroman provides a full performance curve for the 350TJQ covering flow rate, total head, efficiency, and motor power draw across the pump operating range. Because slurry performance shifts with solids concentration and particle size compared with clear water performance, Hydroman engineers will review your site data, including pipeline length, static lift, and expected slurry density, and provide a curve and duty point recommendation matched to your actual operating conditions rather than a generic clear water curve.
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Material selection is the single biggest factor in how long a sand sludge slurry pump lasts in the field. Abrasive wear is a function of particle hardness, particle velocity, and impact angle inside the pump, and a pump built from standard materials will lose measurable wall thickness on the impeller and casing within a matter of weeks under heavy sand duty. Hydroman pumps address this with high chrome alloy castings, wear resistant impellers, and a reinforced pump casing designed to absorb abrasive impact rather than erode under it. In practical terms, this reduces abrasion damage, cuts down how often you need to schedule maintenance, and lowers your long term replacement parts cost, which is usually the largest hidden expense in running a fleet of slurry pumps.
Hydroman sand pumping machines are engineered for efficient underwater extraction of sand and slurry, combining a powerful electric motor, an integrated agitation system, and wear resistant hydraulic components into a single submersible unit. This combination is what allows the machine to keep operating reliably in harsh, abrasive environments where a general purpose pump would need frequent teardown and rebuild.
Customers new to sand pumping often ask what kind of sand a submersible sand pump is actually built to handle, how much sand goes through the system at a given flow rate, and how to start and operate the pump correctly the first time. In general, the 350TJQ is designed for coarse to medium sand and mineral particles suspended in water at pumpable concentrations, and the agitator is what keeps that sand from settling and packing at the base of the pump before it can be drawn in. If you are concerned about sand ingress into the motor housing or bearing seals, the pump uses a sealed submersible design with wear resistant seals specifically to stop sand from reaching internal components, and Hydroman can walk you through correct startup procedure, priming, and operating practice for your specific slurry concentration during commissioning.
For floating dredging applications, Hydroman supplies pontoon solutions to support floating sand pumps, dredging systems, and slurry transfer equipment, so you can position the pump at the working face of a dredging project without building a fixed platform.
Beyond the pump itself, Hydroman supplies the surrounding equipment you need to run a complete slurry pumping system, including pump control panels, electrical distribution systems, pipeline systems, and floating equipment sized to match your pump and application.
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Hydroman keeps a full inventory of replacement parts for the 350TJQ and the wider slurry pump range, including impellers, agitators, mechanical seals, wear plates, pump casings, and bearings, so a worn component does not translate into an extended production shutdown while you wait for parts.
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Hydroman supplies original replacement parts manufactured to the same specification as the components in your pump, which is what protects the performance and service life you are paying for when you invest in a heavy duty slurry pump in the first place. Using non original parts on abrasive duty equipment is one of the most common reasons a pump underperforms its expected wear life, so Hydroman recommends sourcing spares directly.
Hydroman supports you well beyond the initial purchase, with installation guidance, technical support from application engineers, scheduled pump inspection, maintenance advice tailored to your slurry conditions, and ongoing spare parts supply so your pump stays in service rather than sitting idle waiting on parts or expertise.
If your project is still in the planning stage, Hydroman also offers slurry pumping system design, dredging solution consulting, and pump selection assistance, so you specify the right pump and pipeline configuration before equipment ever ships to site.
Hydroman is a professional China based sand slurry pump manufacturer, specializing in electric submersible slurry pumps, submersible dredge pumps, and heavy duty slurry handling equipment for mining, dredging, construction, and wastewater customers around the world. With advanced manufacturing capability and strict quality control at every stage of production, Hydroman aims to give you a submersible slurry pump manufacturer relationship built on consistent quality and responsive engineering support, not just a one time equipment sale. If you are comparing submersible slurry pump price and lead time across manufacturers, Hydroman engineers are ready to provide a detailed quotation matched to your exact duty requirements.
You may also be interested in the following pumps from the Hydroman range:
• Submersible Slurry Pump with Agitator
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A submersible sand slurry pump is a pump designed to be lowered directly into a slurry source and to pump mixtures containing sand, solids, sludge, and abrasive particles from underwater, rather than drawing the mixture up through a surface mounted suction line.
The Hydroman 350TJQ is an electric driven submersible sand slurry pump. Hydraulic submersible slurry pumps are a separate category, generally used where a hydraulic power system, such as an excavator, is already available on site.
The 350TJQ is suitable for mining tailings transfer, sand dredging, sludge removal, and industrial slurry transfer, and it is equally capable as a submersible sand slurry pump for sale into smaller construction dewatering projects.
Yes. The pump uses high chrome wear resistant alloy in the wetted parts specifically for abrasive sand and slurry duty, and this is what allows it to sustain performance where a standard submersible pump would wear out quickly.
Warman submersible pumps, Toyo submersible agitator sand pumps, and Goodwin submersible slurry pumps are established names in the slurry pumping industry, and Hydroman is often evaluated alongside them. Hydroman focuses on heavy duty slurry pumping solutions with competitive manufacturing capability, an electric driven design for easier installation, and customized engineering support matched to your specific slurry conditions.
Selection depends on your required flow rate, total pump head, slurry concentration, maximum particle size, and the physical layout of your application, including pipeline length and static lift. Hydroman engineers will review these details with you before recommending a specific model and duty point.
Service life depends heavily on slurry abrasiveness, operating concentration, and how consistently the pump is maintained, but the wear resistant materials and agitator design in the 350TJQ are specifically intended to extend service life well beyond what a standard submersible pump achieves under the same abrasive conditions.
The 350TJQ is built for coarse to medium sand and mineral particles carried in a pumpable slurry mixture, with the integrated agitator keeping solids in suspension rather than allowing them to settle and pack at the pump inlet. The correct sand concentration for your application depends on your target flow rate and pipeline distance, and Hydroman can advise on the right operating concentration during pump selection and startup.
Looking for a reliable electric submersible sand slurry pump? Contact Hydroman engineers today for pump selection, technical support, and a customized slurry pumping solution matched to your site conditions.
Sara Liang
+86 189 3110 6396 (Whatsapp/Wechat)
Inquiry@tobeepump.com
HEBEI TOBEE PUMP CO., LIMITED
Tel: +86 180 3203 4573
Fax: +86 311 8722 1317
E-mail: Sales@tobeepump.com
Skype: Tobee.Pump
Add: No. 266, Tianshan St, High-tech Zone, Shijiazhuang City 050000, China.
