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4 Inches 4SD Electric Submersible Water Pump for Groundwater Extraction
US$69.00-200.00
50 Pieces
Product profile
Customization
AvailableAfter-sales Service
24 Months WarrantyMax.Head
>150mModel NO.
4SD3/7-0.37KWMax.Capacity
4.8 Cubic Meter/HourDriving Type
Electricity AC 220/380Material
Brass/AISI 304Structure
Multistage PumpAssembly
Centrifugal PumpPower
0.25kw-5.5kwStart Up
Electric PumpType
Rewindable Oil Cooling Water PumpApplication
Submersible PumpIndustry
Civil Pressurizing, Agricultural Irrigation, etcMedia
Clear Water /Sandy WaterPerformance
Rated Head: 30-330m Rated Capacity:3m3/HourTheory
Centrifugal PumpSuitable Well Size
4 InchesRated Capacity
3 Cubic Meter/HourRated Delivery Head
30m-330mOutlet/Connection
BrassPump Materials
AISI304/430/Brass/POM/PCMotor Materials
AISI304/Copper Winding/Silicon Steel 600Bearing
C&U 7 SeriesShaft Coupling
2Cr13/AISI 304Diffuser
Plastic.PCWear Ring
AISI 304 Ss&CeramicTop Chock
Cast-Iron ASTM No.30/Cast-Cu ASTM C85500Mechanical Seal
Graphite-Ceramic/Tc Graphite-Silicon CarbideTransport Package
Carton /Wooden CaseSpecification
NEMA STANDARDTrademark
OEM/ODM/KATREENI/DOLAYOrigin
ChinaHS Code
8413709190Production Capacity
360000 PCS/YearKey features
High Efficiency Design: Single-stage floating structure with non-contact impellers and POM impellers for enhanced performance.
Wide Application Range: Suitable for groundwater extraction, agricultural irrigation, civil pressurizing, and deep water levels.
Durable Materials: Constructed with Brass, AISI 304 Stainless Steel, and POM for corrosion resistance and longevity.
Versatile Power Options: Available in AC 220/380V and DC solar energy driven models for flexible deployment.
Customization Support: Accepts OEM orders and customized products to meet special requirements.
Robust Performance: Rated head up to 330m and capacity up to 4.8 m3/hour for high delivery distance.
Quality Assurance: Backed by professional engineering, strict QC team, and steady quality guarantee.
Professional Support: Provides pre-sale, in-sale, and after-sale service with a focus on continuous support.
Company profile

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2010-05-10Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤15hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW
AI-Powered supplier vetting
SummaryThe supplier is identified as a professional technical supplier focused on pumps, environmental applications, and related equipment. It provides 3D design, OEM, ODM, and multiple customization options, and reports new-product development during the past year. ISO 9001 certification, defined complaint-handling procedures with records, and 11–20 quality-control staff support its quality-management profile. Production information includes inverter solar pump controllers, submersible and water pumps, solar pumps, solar systems, and stainless-steel pumps. Export sales represent 90% of total sales, with five years of export experience and self-operated import/export rights. However, the supplier has no overseas agents or branches, overseas warehouse, showroom, inventory capability, or available SDK. Financial information is limited to years identified in the records and does not provide sufficient evidence for a credibility assessment.
Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and describes experience in pumps and environmental applications. Its listed business scope includes pumps, valves, gas-compression machinery, generators, photovoltaic equipment, and other industrial equipment, indicating a technical equipment supplier rather than a general trading-only profile.
CertificationsThe supplier reports holding ISO 9001 certification for its management system. This is explicit evidence of a recognized quality-management certification.
R&D capabilityThe supplier reports R&D capability, new products developed during the past year, ODM services, OEM services for well-known brands, and 6–10 years of combined R&D-engineer experience. It also provides 3D software design services, although it has no available SDK.
Production capacityThe supplier reports production of inverter solar pump controllers, submersible pumps, water pumps, solar pumps, solar systems, and stainless-steel pumps, with stated annual quantities of 10,000 controller sets, 200,000 pump-related pieces, and 100,000 solar-pump sets. It also has 11–20 quality-control staff. However, it reports no in-stock capability, and outsourcing procedures and manufacturing-capacity contracts are unknown.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, supporting the conclusion that its customization offering is broad.
Product Q&A
Q:What is the warranty period?
A:
12-18 months' warranty, depending on product and market.
Q:What is the minimum order quantity (MOQ)?
A:
Sample order is acceptable.
Q:What are the payment terms?
A:
T/T, L/C, D/P, PayPal, Western Union, Small-amount payment, Money Gram.
Q:What is the delivery time?
A:
10-30 days after receiving deposit payment.
Q:Do you accept OEM orders?
A:
Yes, we welcome OEM order.
Send Inquiry
*To:
Zhejiang Dolay Pump Industry Co.,Ltd.
Zhejiang Dolay Pump Industry Co.,Ltd.*Content:
Supplier replies will be sent to your registered email
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