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Yes, we accept special requirement.

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We have pre-sale service, in-sale service and after-sale service, Our slogan is steady quality and continuous service.

4inch Big Flow High Head Multistage Borehole Pump

Name: 4inch Big Flow High Head Multistage Borehole Pump
Brand: Zhejiang Dolay Pump Industry Co.,Ltd.
SKU: 1916734931

Zhejiang, ChinaZhejiang Dolay Pump Industry Co.,Ltd.

US$50.00-200.00

50 Pieces

Product profile

Customization

Available

After-sales Service

24 Months Warranty

Max.Head

>150m

Model NO.

4SD8T

Max.Capacity

10.8 Cubic Meter/Hour

Driving Type

Electricity AC 220/380

Material

Brass/AISI 304

Structure

Multistage Pump

Assembly

Centrifugal Pump

Power

0.55kw-7.5kw

Start Up

Electric Pump

Type

Rewindable Oil Cooling Water Pump

Application

Submersible Pump

Industry

Agricultural Irrigation Pump

Media

Clear Water /Sandy Water

Performance

Rated Flow:8.4m3/H Rated Head:20m-160m

Theory

Centrifugal Pump

Suitable Well Size

4 Inches

Outlet

1.25'' / 1.5'' / 2''

Rated Capacity

8.4 Cubic Meter/Hour

Rated Delivery Head

20m to 160m

Pump Casing

AISI 201 Ss / AISI 304 Ss

Outlet / Connection

Cast-Cu ASTM C85500 / AISI 304 Ss

Diffuser

Plastic, PC

Impeller

Plastic, POM

Pump Shaft

2Cr13/AISI 304

Shaft Coupling

2Cr13/AISI 304

Top Chock

Cast-Cu ASTM C85500 / Cast-Iron ASTM No.30

Mechanical Seal

Graphite-Ceramic/Tc Graphite-Silicon Carbide

Motor Shaft

AISI 303 Ss-ASTM1045/5140

Bearing

C&U 7 Series

Seal Lubricant Oil

Oil for Food Machinery and Pharmaceutic Use

Transport Package

Carton/Wooden Case

Specification

NEMA STANDARD

Trademark

OEM/ODM/KATREENI/DOLAY

Origin

China

HS Code

8413709190

Production Capacity

360000 PCS/Year

Key features

High Head Performance: Rated head range up to 288m suitable for deep water levels.

Wide Flow Capacity: Flow range from 1.2m3/h to 10.8m3/h for various irrigation needs.

Durable Materials: Constructed with AISI 304 Stainless Steel and Brass components.

Efficient Structure: Single-stage floating structure with non-contact impellers reduces wear.

Food Grade Lubrication: Uses food grade mechanical oil for safe operation in clean water.

Versatile Applications: Ideal for agricultural irrigation, domestic use, and industrial fields.

OEM Service Available: We welcome OEM orders and accept special customization requirements.

Comprehensive Support: Includes pre-sale, in-sale, and after-sale service with steady quality.

Company profile

Zhejiang Dolay Pump Industry Co.,Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2010-05-10Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤11.70hTerms 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.