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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: ZKSJ
  • Model Number: ZKSJ-DC50F-1250T
  • Theory: Centrifugal Pump
  • Structure: Single-stage Pump
  • Usage: Water
  • Power: Electric
  • Standard or Nonstandard: Standard
  • Fuel: Electric
  • Pressure: Low Pressure
  • Application: Submersible
  • Product Name: Submersible Pond Pump
  • Dimensions: 109x91x71.5 mm
  • Weight: about 600g
  • Max Flow: 900L/H
  • Max Head: 5 meters
  • Inlet: 1/2 inch thread (20mm)
  • Outlet: 1/2 inch thread (20mm)
  • Material: PA66+30%GF
  • Max Working Temp: 60°C

Packaging & Delivery

Packaging Details Common Box
Delivery Time 3~20 working days

High efficiency Stable Submersible Pond Pump Factory Direct

Pump Photos

Pump Main Features

  • 1. High efficiency ECM brushless DC motor with a long lifespan.
  • 2. Circuit potted with epoxy, waterproof performance is 100% reliable.
  • 3. Heavy duty works for 24 hours continuous running.
  • 4. Wide voltage range suitable for various power supply.
  • 5. Small size but strong, low consumption & high efficiency.
  • 6. Safety - no spark, Explosion - Proof; Low noise about 40dB.
  • 7. Durable permanent magnetic rotor and high-density ceramic shaft.
  • 8. IP 68 Submersible, 100% waterproof, maintenance - free.


Model: DC50F-1250T
Size: 109x91x71.5 mmWeight: 600g
Inlet: 1/2 inch thread (20mm)Outlet: 1/2 inch thread (20mm)
Material: Engineering PlasticsHeat Resistance: 0~60°C
Rated Voltage: DC 12VRated Current: 2.0A
Static Head: 5 metersFlow Rate: 900L/H
Life Span: 30000 hrsWorking: Continuous
Plug: 5.5×2.1mm DC PlugCable Length: 1 meters
Water Proof: 100%Submersible: Yes
Driven: Brushless MagneticNoise: about 40dB
Self-priming: NoSpeed Adjustable: No

How to choose pumps:

  • 1. Confirm your operating voltage, current, head, flow, and the size of inlet & outlet. In general, there is no flow when the head achieve the maximum head marked by factory. So if you require the pump is able to meet a certain height and also meet a certain flow, you should choose a higher maximum head than you need. Please consult us or refer to the performance curves.
  • 2. Confirm the shape requirements, such as the type of interface, the direction of inlet & outlet, etc.
  • 3. Confirm the working environment, such as the temperature, the medium, etc.
  • 4. Confirm the functional requirements, such as the time control, the flow control, the speed control, etc.
  • 5. Please feel free to contact us if you have any questions need our help during choose the pump.

Pump Performance Curve

Pump Dimensions


About BLDC PUMP Technology Company Limited

As one of the leading small DC water pump companies in China, we produce brushless DC pump from 2009. We ship our special purpose circulation pumps to manufacturers, retailer, and companies worldwide. We are based in the technological heaven of Shenzhen, China. We make sure that our products provide best quality and standard to its customers, OEM/ODM service is available. Looking forward to establishing a healthy business relationship with you!
Customized Service Content:
  • 1. The label on the surface of the Water Pump.
  • 2. Box of the Pump.
  • 3. Power Cable Length.
  • 4. Type of Connector Plug.
  • 5. Waterproof Power Supply.
  • 6. Water Shortage Protection.
  • 7. Others, please communicate with us.
Customized Quantity Requirements: 100 pcs
Additional Cost:
We will not charge any additional fees except the cost of raw materials. Usually, the unit price will be only a little higher than the normal standard model pump.


Brushless DC pumps are widely used in various fields such as Automotive & Mobile, Home Appliances, Laboratory & Testing, Commercial And Industrial, Printing & Packaging, Environmental & Water Treatment, Food & Beverage, and etc.


Q1: Are you trading company or manufacturer ?
A: We are manufacturer, over 8 years experience in small DC water pumps, OEM/ODM service is available.
Q2: How long is your delivery time?
A: 3-20 working days, depends on the quantity.
Q3. What is the products guarantee?
A: One Year Warranty, and we can supply 1% spare parts for after service.
Q4. How can I choose the most suitable pump?
A: Tell us your requirements of flow rate, head, operation voltage, applications and etc. If you are not sure, please consult us now, we will give useful suggestion within 24 hours!
Transaction History of the Supplier

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Transaction Overview


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Supplier's Trade Assurance Limit: US $22,000
Learn More
Head does not mean the spraying height, but means the height inside of a pipe.
Our pumps are not self-priming pumps. It must be installed below the water level or submersible.
DC pumps are safety, stable, long lifespan, energy saving. We suggest you use it instead of AC pumps.
Price is expensive because of high cost. But it has high efficiency. You can save your money from energy saving.
Continuous running is no problem! The pump will have a super long lifespan if correct using.
The diameter of pipe will directly affect the flow rate.