You are here: Home » News » 4" 4Inch Submersible Deep Well Borehole Water Pump True Manufacturer Supplier

4" 4Inch Submersible Deep Well Borehole Water Pump True Manufacturer Supplier

Views: 30     Author: Site Editor     Publish Time: 2022-11-21      Origin: Site


4" 4Inch submersible deep well borehole water pump true manufacturer supplier


  • Product usage scenarios

  • Product details display

  • Operating Conditions

Product usage scenarios

4SD stainless steel deep well pumps are widely used in underground water intake, large-scale projects, oil exploration, pharmaceuticals, papermaking, engineering pumping and transporting liquids containing solid particles

Oil mining deep well water intake factory pumping large-scale project

Product details display

1.Stainless steel impeller

2.Stainless steel pump body

3.Coupling Stainless steel filter water inlet Lower bearing seat Oil chamber All copper motor Capacitor Thickened base

4.Brand new all copper motor

5.The motor material is made of high-quality DR470 cold-rolled silicon steel sheet, increasing the number of turns and wire diameter of the motor winding can pass a large current instantaneously.

Adopt brand-new all-copper motor, the factory strictly prohibits the use of refurbished old motors, the motor has high working efficiency and more powerful power, and the coils are wound by senior employees to ensure the quality

6.All copper core wire, a strong power

7.The bearing is a well-known domestic brand bearing with double-end silicon carbide mechanical seal, durable, wear-resistant, good quality, stable operation and low noise

8.High precision rotor

Finished forged for smooth operation and durable, the surface is treated with anti-moisture and anti-rust

The quality of the big factory and excellent craftsmanship ensure the hygienic quality of the extracted water. 

20 years of water pump manufacturer quality assurance.


  • Thickened water outlet 

  • Rope-through hole 

  • Stainless steel filter mesh 

  • Stainless steel base

  • Engineering plastic PPO floating impeller

  • Guide vane brackets are all made of transparent and durable environmental protection materials.


Stainless steel filter stainless steel protective material, effectively filter impurities, prevent rusty water and dirty water

Stainless steel base Stainless steel bottom plate, with oil bladder, full oil-immersed resistant decompression oil bladder, to protect the motor at high

Operating Conditions

Medium temperature does not exceed 40°C

The pH value (pH) of the medium is between 6.5-8.5

The volume ratio of solid impurities in the medium does not exceed 0.1%, and the particle size does not exceed 0.2MM

The power frequency is 50Hz, the voltage is single-phase AC 220V, and the three-phase AC 380V voltage fluctuation range is 10% of the rated value

The deepest diving depth shall not exceed 150m, and the shallowest shall not be less than 5m

Zhe jiang Dolay Pump Industry Co,LTD supply best quality large flow 4inch 5inch 6inch 8inch stainless steel borehole well pump, offer good after sale service .

1. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

2.what can you buy from us?
Water pump,DC Pump,AC Pump,Submersible pump ,solar products

3. why should you buy from us not from other suppliers?
16 years of producing and exporting experience ,manufacturing quality electric powered water pumps  systems

4. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,Express Delivery;
Accepted Payment Currency: USD,CNY;
Accepted Payment Type:  T/T,L/C,Cash;
Language Spoken: English,Chinese,Germany

content is empty!

Quick Links

Contact Details



TEL: 0086-57686932269
© 2021ZHEJIANG DOLAY PUMP INDUSTRY CO. LTD. All rights reserved.Site Map. Technology by leadong