The heavy duty sludge pump is a special centrifugal pump designed for handling high-viscosity, high-solids industrial and municipal sludge. It features a large-channel, clog-resistant impeller and heavy-duty bearing structure, with optional wear-resistant and corrosion-resistant duplex stainless steel or high-chromium alloy materials, effectively conveying complex media with solid content up to 40% and containing numerous fibrous impurities.
Product Features
High Passability
The heavy duty sludge pump uses a large-channel, clog-resistant impeller, capable of handling high solid content (up to 40%) and long-fiber media.
Wear and Corrosion Resistance
Flow-through parts are standard with high-chromium alloy, with optional duplex stainless steel or rubber lining.
Stable Sealing
Provides various sealing solutions, including double-face cartridge mechanical seals, to meet different leakage prevention needs under various working conditions.
Heavy-Duty Structure
Equipped with heavy-duty bearings and reinforced shaft system to ensure continuous and stable operation under high load.
Flexible Configuration
Supports various installation methods, including dry, submersible, and self-priming, and can be integrated with cutting devices and intelligent monitoring.
High Efficiency and Energy Saving
The CFD-optimized hydraulic model maintains high efficiency even when conveying high-viscosity media.
Product Packaging and Service
Protective Treatment: Flow-through parts are coated with anti-rust oil, flange openings are sealed, and the motor is waterproofed.
Secure Packaging: The entire pump is fixed on a fumigated wooden pallet (compliant with ISPM15 standard), and vulnerable parts are independently packaged in shock-resistant boxes.
Outer Box Marking: The entire package is covered with high-strength waterproof wrapping film and equipped with container corner protection devices, with international markings and shipping marks attached, and English technical documents included.
Special Options: Optional anti-rust coating and desiccant; frame box transportation solutions are available for oversized items.
After-Sales Service
24/7 Technical Support:
The company has a 24-hour technical service hotline. In case of emergency equipment failure, our team is committed to providing a clear response and emergency guidance within 2 hours of receiving notification.
Global Spare Parts Supply:
We have spare parts reserves in China and several overseas regions. Commonly used wear parts can be shipped within 72 hours after the customer confirms their needs, and emergency spare parts allocation is supported for overseas projects.


On-Site Technical Support:
For complex faults requiring on-site handling, we can dispatch professional engineers to provide support. In major port cities and surrounding areas in China, engineers can generally arrive on-site within 48 hours.
Regular maintenance services:
We establish equipment health records for our customers and proactively provide annual preventive inspection plans and customized equipment health assessment reports.
FAQ
Q: What are the key points of daily maintenance for heavy duty sludge pumps?
A: Regularly check the sealing system pressure, bearing temperature, and vibration values. It is recommended to perform wear inspection on the flow-through components every six months.
Q: What is the supply cycle for export spare parts?
A: Standard wear-resistant spare parts are in sufficient stock and can be shipped within 72 hours after payment.
Q: Which materials can be selected when conveying corrosive chemical sludge?
A: Duplex stainless steel 2205/2507, Hastelloy, or special rubber/polyurethane lining can be selected, and customization is required based on the specific media composition.
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