SPECIFICATIONS
Description
When dealing with thick, abrasive sludge in domestic wastewater systems, standard pumps clog or wear out fast. That’s where the Hydroman® 400THY200-6P steps in. This Vertical Submersible Hydraulic Pump for Sludge Handling runs directly off an excavator’s hydraulic circuit or a standalone power pack. Unlike electric units, it has zero risk of burnout from heavy solids. The Hydraulic Driven Dredging Pump for Domestic Wastewater uses a high‑chromium impeller (27‑28% Cr) and an integrated agitator to turn settled sludge into fluid slurry. For operators, this Heavy Duty Hydraulic Slurry Pump for Sludge Transfer means fewer blockages and longer service intervals. And because it’s a true Submerged Hydraulic Pump for Sewage Sludge Cleaning, you can lower it into pits or lagoons and run it continuously without overheating.
Vertical Submersible Hydraulic Pump for Sludge Handling: 5 Design Features That Matter
The Hydroman® 400THY200‑6P isn’t a modified water pump. It’s engineered from the ground up for wastewater sludge. Here are five design features that set it apart:
High‑Chromium Wear Parts – The impeller, casing, and agitator are cast from 27‑28% chrome alloy. This material withstands sand, grit, and abrasive domestic sludge far longer than cast iron or rubber‑lined pumps.
Hydraulic Drive with Built‑In Overload Protection – Powered by an excavator’s auxiliary circuit (or a diesel hydraulic pack), the motor has no electrical windings to short or burn. Stall? The hydraulic relief valve just bypasses – no damage.
Agitator Nozzle at the Suction Inlet – A rotating agitator breaks up compacted sludge, sewage solids, and settled sand. It creates a high‑density slurry (up to 70% solids by weight) that flows easily into the pump. No need for separate jetting or manual stirring.
Double Mechanical Seal in an Oil Bath – Two independent seals with an intermediate oil chamber keep sludge out of the hydraulic motor. This is critical for submerged operation in raw sewage and chemically aggressive wastewater.
Low‑Speed, High‑Torque Hydraulic Motor – Operating at lower RPM than electric submersibles, the pump experiences less wear on the impeller and volute. Yet torque remains high to move thick sludge over long distances.
These features make the Hydraulic Dredge Pump for Wastewater Sludge Removal a reliable workhorse, not a disposable tool.
Hydroman® 16 Inch Hydraulic Dredge Pump
| Hydraulic Pump Specification | Hydraulic Motor Specification | |||||||
| Model | Outlet (mm) | Capacity (m³/h) | Head (m) | Power (kW) | Solids handling (mm) | Displacement (ml/r) | Pressure (Mpa) | Oil capacity (L/min) |
| 400THY200-6P | 400 | 2000 | 20 | 200 | 45 | 500 | 24 | 500 |
Wastewater Treatment Plant Settling Ponds & Thickeners
Domestic wastewater treatment facilities rely on primary and secondary settling ponds. Over months, a layer of dense, anaerobic sludge builds up at the bottom. Scraper mechanisms help, but eventually you need to remove that sludge for digestion or disposal.
How Hydroman® helps: The Vertical Submersible Hydraulic Pump for Sludge Handling is lowered directly into the pond or thickener. Its agitator loosens the compacted layer while the pump transfers slurry to a holding tank or centrifuge. Because it’s hydraulically driven, you can run it partially submerged or fully buried in sludge – no sealing issues. Operators often mount it on an excavator boom to move the pump across the pond without draining.
Result: One municipal plant in Southeast Asia cleared a 15‑year accumulation of primary sludge in five days, reducing haul‑off costs by 60%.
Industrial Sump & API Separator Cleaning
Industrial facilities (refineries, metal processing plants, food producers) have underground sumps that collect oily sludge, sand, and wastewater solids. Electric pumps fail when sand locks the impeller or when the sump runs dry – they overheat. The Hydraulic Driven Dredging Pump for Domestic Wastewater (also perfectly suited for industrial sludge) has no such weakness.
How Hydroman® helps: Attach the pump to an excavator or a hydraulic power pack. Lower it into the sump or API (American Petroleum Institute) separator. The agitator stirs up settled solids, and the pump transfers the oily slurry to a dewatering bin or tank. You can run it dry for short periods – the hydraulic motor won’t burn. This is why many environmental contractors choose the Heavy Duty Hydraulic Slurry Pump for Sludge Transfer for hazardous or confined‑space cleanouts.
Result: A steel mill cleaned its 20‑foot deep scale pit in four hours, compared to two days with a vacuum truck.
Heavy Duty Hydraulic Slurry Pump for Sludge Transfer: Technical Advantages & FAQ
FAQ 1: Can I use this pump with any excavator?
Yes – as long as your excavator produces between 30 L/min and 150 L/min of hydraulic flow at 200‑350 bar. The Hydroman® 400THY200‑6P connects via standard flat‑face couplers. You can also run it from a dedicated diesel‑hydraulic power pack (15‑50 kW) if you don’t have an excavator on site. The pump’s hydraulic motor automatically adjusts torque to flow, so no complex setup.
Domestic sludge contains rags, wipes, plastics, and stringy materials that clog centrifugal pumps instantly. The Hydroman® design uses a semi‑open impeller with large passages (up to 120 mm solids) plus the agitator located directly below the suction. The agitator spins at moderate speed, lifting and breaking solids before they enter the impeller. Stringy materials are chopped by the agitator’s edge against a stationary cutter ring. Result: no ragging, no overnight shutdowns.
Very little. After each use, flush the pump with clean water (run it in a freshwater tank for 30 seconds) to remove sludge residue. Every 200‑300 operating hours, check the mechanical seal oil for contamination (water turns it milky). Replace the oil if needed. The high‑chromium wear parts typically last 2‑4 times longer than Ni‑hard or rubber liners. When they finally wear, you can replace just the impeller and casing – not the whole pump.
Industrial Hydraulic Pump for Underwater Sludge Removal: Why Choose Hydroman®?
You might have seen other submersible dredge pumps. What makes the Hydroman® 400THY200‑6P different? Three things: true vertical submerged operation, hydraulic simplicity, and abrasion engineering.
True vertical submerged means you can lower it 30 meters deep – no long suction hose, no priming. The pump sits at the sludge bed.
Hydraulic simplicity – no electric cables, starters, or thermal overloads. One supply line, one return line. If the pump stalls, you just reverse the hydraulic flow to clear the blockage.
Abrasion engineering – 27‑28% high‑chrome alloy is the gold standard for sand and sludge. Combined with low operating RPM (≈400‑800 rpm), the pump delivers thousands of hours between overhauls.
Municipalities, environmental dredgers, and industrial maintenance teams across Europe and Asia have standardized on this model for domestic wastewater sludge cleaning. It’s also used for mine tailings, lagoon desilting, and canal dredging – but the sweet spot is thick, abrasive, solids‑laden wastewater.
Still using vacuum trucks or manual shoveling for settling ponds? That’s slow, expensive, and dangerous. The Excavator Mounted Hydraulic Dredge Pump for Sludge – the Hydroman® 400THY200‑6P – turns your excavator into a high‑capacity sludge transfer system. Just replace the bucket, connect two hoses, and start pumping. You’ll remove up to 200 m³ per hour of slurry at 70% solids. Less water means fewer truckloads to disposal.
Hydroman® Hydraulic Dredge Pump for Wastewater Sludge Removal delivers powerful vertical submerged performance. Designed for underwater sludge and sewage cleaning, this hydraulic driven solution ensures efficiency. Contact us today for technical data sheets, video demos, and a quote tailored to your wastewater sludge challenges.
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Tobee is specialized in providing solutions for slurry pump, vertical sump pumps, gravel pump, dredging pumps, froth pump, seawater pumps, fire pumps, slurry pump parts and OEM pump parts for your harsh projects.
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+86 311 8722 1317
No. 266, Tianshan St, High-tech Zone, Shijiazhuang City 050000, China.
