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Large Flow Industrial Electric Vertical Submersible Sewage Water Pump for Wastewater Drainage
US$2,000.00-20,000.00
1 Piece
Product profile
Customization
AvailableWarranty
One YearMax.Head
30-50mModel NO.
250WQ550-37-90Max.Capacity
>400 L/minDriving Type
MotorMaterial
Cast IronStructure
Single-stage PumpAssembly
Sewage PumpPower
ElectricStart Up
Electric PumpApplication
Submersible Pump, Sewage PumpMedia
Sewage PumpsPerformance
No Leakage PumpTheory
Centrifugal PumpMerge
Changsha SwanMerge2
Wuxi Pump WorksRated Voltage
380V, 660V, 3kv, 6kv, 10kv etcFrequency
50Hz Three-Phase AC PowerMedium Temperature
Below 42 CelsiusMedium Density
Below 1200kg/M3pH Value
Within The Range of 4-10Volume Ratio of Solid Phase
Below 5%OEM/ODM
AcceptTransport Package
Export Plywood CaseTrademark
LEOOrigin
ChinaHS Code
8413709990Production Capacity
3000set/YearKey features
High Efficiency & Energy Saving: Features compact structure, high efficiency, and energy-saving design with efficiency index reaching GB32031 standards.
Anti-Clogging & No Overload: Adopts double-flow channel non-blocking impeller design to handle solids, fibers, and sediment without clogging.
Comprehensive Protection System: Equipped with built-in sensors for leakage, temperature rise, and oil-water mixing to monitor operating conditions.
Triple Mechanical Sealing: Uses patented double-sealed chamber structure with three sets of mechanical seals for maximum reliability.
IP68 Waterproof Protection: Motor protection level is IP68, ensuring safe operation in submersible environments with sealed wiring chambers.
Wide Application Range: Suitable for sewage, wastewater, rainwater, and industrial drainage in cities, factories, and mining sites.
OEM/ODM Service Available: Accepts OEM and ODM customization with flexible voltage options including 380V, 660V, 3kV, 6kV, and 10kV.
Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2019-04-01 CertifiedNearest Port: Shenzhen Port, Guangzhou Port, Shanghai PortAverage Response Time: ≤1.76h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryLEO GROUP PUMP (HUNAN) CO., LTD. is a China-based manufacturer established in 2000, with 353 employees, eight production lines, a 45,000 m² manufacturing plant, and annual centrifugal-pump productivity of 3,000 sets. The supplier reports ISO9001:2015 and ISO14001:2015 certifications and describes a quality-management system covering design, development, manufacturing, inspection, and after-sales service. Its equipment includes advanced CNC and thermal-treatment machinery, while its testing center supports tests up to 12,500 kW. The company offers multiple pump categories and has export experience beginning in 2019. Evidence supports established manufacturing, quality-management, testing, and engineering capabilities. However, the provided information does not sufficiently verify financial credibility, customization capability, or specific customer cases.
Supplier typeThe supplier is explicitly identified as a manufacturer and limited company, operating in industrial equipment and components. Its listed products are various industrial pump types, including centrifugal, axial-flow, vertical pipe, and sewage pumps.
CertificationsThe supplier reports ISO9001:2015 and ISO14001:2015 certificates, and states that its product quality-management system complies with ISO9001 requirements across design, manufacturing, inspection, and after-sales service. This is explicit evidence of formal quality and environmental management certifications.
After-Sales capabilityThe supplier states that its quality-management system extends through after-sales service and that product operations are intended to serve users efficiently and reliably. These statements support the existence of an after-sales process, but do not provide staffing, response-time, service-network, or service-performance details.
R&D capabilityThe supplier reports 12 years of total R&D-engineer experience, emphasizes an innovation mechanism, and operates advanced equipment including a 5-axis machining center. Its testing center supports high-power pump testing up to 12,500 kW, indicating meaningful engineering and technical-development infrastructure.
Production capacityProduction capability is supported by eight production lines, 6–10 quality-control staff, a 45,000 m² manufacturing plant, advanced processing equipment, and stated annual centrifugal-pump productivity of 3,000 sets. The supplier is also identified as a manufacturer with 353 employees.
Product Q&A
Q:What is the warranty period for this pump?
A:
The product comes with a one-year warranty covering mechanical defects.
Q:What is the maximum head and capacity?
A:
The maximum head ranges from 30 to 50 meters, and the maximum capacity exceeds 400 liters per minute.
Q:What materials are used for the pump construction?
A:
The pump body and impeller are made of HT250 cast iron, while the shaft is 2Cr13 stainless steel.
Q:Can the pump handle solid particles and fibers?
A:
Yes, it is designed to transport liquids containing solid particles, sediment, and fibers with a solid phase volume ratio below 5%.
Q:Is OEM or ODM service available for this product?
A:
Yes, we accept OEM and ODM orders with customizable voltage options such as 380V, 660V, 3kV, 6kV, and 10kV.
Send Inquiry
*To:
LEO GROUP PUMP (HUNAN) CO., LTD.
LEO GROUP PUMP (HUNAN) CO., LTD.*Content:
Supplier replies will be sent to your registered email
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