What is the maximum flow rate and lift height?

The max horizontal flow rate is 16L/MIN, and the max static lift is 6M, depending on the specific model and voltage.

Does the pump offer OEM or ODM services?

Yes, we accept OEM and ODM services and can customize pump structure and electrical parameters for specific requirements.

What are the protection functions included?

The pump includes dry-run protection and stuck protection to ensure safe operation and prevent damage.

DC General Hydroponics Dual Diaphragm Air Pump

Name: DC General Hydroponics Dual Diaphragm Air Pump
Brand: SHENZHEN ZHONGKE CENTURY TECHNOLOGY CO., LTD.
SKU: 865378075

Guangdong, ChinaSHENZHEN ZHONGKE CENTURY TECHNOLOGY CO., LTD.

US$22.00

20-199 Pieces

US$18.00

200+ Pieces

Sample price:US$22.00/piece.Request sample

Product profile

Customization

Available

Max.Head

Max.Capacity

16L/Min

Model NO.

DC40F

Driving Type

Motor

Material

ABS,Pes/Sps/PPS/PA66+30%GF (Optional)

Structure

Single-stage Pump

Assembly

Liquid Pumps

Power

Electric

Start Up

Electric Pump

Type

Positive-Displacement Pump

Application

Submersible Pump

Industry

Air Conditioning Pump

Media

Water,Refrigerating Fulid

Performance

Automatic Pump

Theory

Centrifugal Pump

Protection Level

IP68

Service Life

30,000hrs

Transport Package

Standard Export Packing or OEM Packing

Trademark

ZKSJ

Origin

China

HS Code

84137090

Production Capacity

100, 000 PCS/Month

Key features

IP68 Waterproof Design: Completely waterproof suitable for submersible installation with noise class below 40dB.

Brushless DC Technology: Magnetic isolated design ensures pollution-free operation, maintenance-free, and long lifespan over 30,000 hours.

Flexible Power Supply: Compatible with solar panels, batteries, or adapters; rated voltage 12Vdc or 24Vdc with wide working range.

Smart Protection Functions: Features dry-run and stuck protection to ensure safe operation under various conditions.

Adjustable Speed Control: Speed can be adjusted via PWM signal, 0-5V analog signal, or potentiometer for precise flow control.

Compact and Efficient: Small size (88.5x64.8x43.8mm) with high efficiency, weighing only 230g.

OEM/ODM Service: Accepts OEM and ODM services with customizable pump structure and electrical parameters.

Versatile Material Options: Pump shell made of ABS, PES, SPS, PPS, or PA66+30%GF to suit different media requirements.

Company profile

SHENZHEN ZHONGKE CENTURY TECHNOLOGY CO., LTD.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2019-03-02Nearest Port: YantianAverage Response Time: ≤2.53hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW

AI-Powered supplier vetting

SummarySHENZHEN ZHONGKE CENTURY TECHNOLOGY CO., LTD. is identified as a Chinese manufacturer/factory based in Baoan District, Shenzhen, with products focused primarily on pumps and related electronic equipment. The supplier reports ISO 9000, ISO 9001, and TS 16949 management-system certifications, eight production lines, 6–10 R&D engineers, and 6–10 quality-control staff. It has exported since 2019 and reports sales to Europe, the Middle East, Southeast Asia, Africa, South America, Eastern Europe, and North America. Order fulfillment is stated as within 15 workdays in both peak and off-peak seasons. The evidence supports manufacturing, certification, export experience, and production resources. However, the provided information does not sufficiently establish financial strength, formal after-sales processes, customization capability, or verifiable customer cases.

Supplier typeThe supplier is explicitly described as a factory and Manufacturer/Factory, with a factory location and head-office information in Shenzhen, China. Its listed products include brushless DC pumps, solar pumps, booster pumps, acid/alkali-resistant pumps, and electronic water pumps.

CertificationsThe supplier states that it has passed ISO 9000 and other international quality-system certification, while the certification record specifically lists ISO 9000, TS 16949, and ISO 9001. This provides explicit evidence of multiple management-system certifications.

R&D capabilityThe supplier states that it focuses on new techniques and products, reports 6–10 R&D engineers, and claims patented technology. These details provide explicit evidence of R&D activity and some innovation assets, although the number, scope, and commercial status of the patents are not given.

Production capacityThe supplier reports eight production lines, 50 total staff experience, and order fulfillment within 15 workdays during both peak and off-peak seasons. These stated resources and lead-time commitments support an established production operation, although capacity utilization and maximum output are not specified.

Product Q&A

Q:What is the waterproof rating of this pump?

The pump has an IP68 waterproof class, making it suitable for submersible installation and completely waterproof.

Q:What is the expected lifespan of the pump?

The pump has a lifespan of more than 30,000 hours due to its brushless DC control and durable materials.

Q:Can the pump be used with corrosive fluids?

It is suitable for normal acid/alkaline liquids, but pre-test is needed for special liquids. It cannot work with high-temperature or highly corrosive fluids.

Q:What power sources are compatible with this pump?

The pump is suitable for solar panels, batteries, adapters, or other power sources, with a rated voltage of 12Vdc or 24Vdc.

Q:Is the pump speed adjustable?

Yes, the speed can be adjusted by PWM signal, 0-5V analog signal, or potentiometer as a customized function.