DP-521 12V 70PSI Diaphragm Water Pump | 3.5L/min High Pressure
DP-521 12V 70PSI Diaphragm Water Pump | 3.5L/min High Pressure
DP-521 12V High-Pressure Diaphragm Water Pump
Meet the DP-521 Electric Diaphragm Water Pump — a compact, reliable 12V micro pump engineered for agricultural spraying, garden watering, RV water systems, car washing, and a wide range of fluid-transfer applications. With a maximum pressure of 0.48 MPa (70 PSI) and a flow rate of up to 3.5 L/min, this pump delivers consistent, powerful performance wherever you need it.
Why Choose the DP-521 Diaphragm Pump?
- High-Pressure Output: Reaches up to 70 PSI (0.48 MPa), making it ideal for spray nozzles, misting systems, and pressure washing tasks.
- Efficient DC 12V Operation: Runs on a standard 12V DC power source — compatible with car batteries, solar panels, and portable power stations.
- Self-Priming Diaphragm Design: The diaphragm pump structure allows for self-priming and can run dry briefly without damage, offering added durability and versatility.
- Low Power Draw: Maximum current of just 2.0A keeps energy consumption minimal, even during extended operation.
- Compact & Lightweight: Easy to mount and integrate into tight spaces — perfect for RV plumbing, boat systems, agricultural sprayers, and DIY water systems.
- Wide Application Range: Suitable for clean water transfer, lawn and garden irrigation, crop spraying, vehicle washing, and more.
Technical Specifications
| Model | DP-521 |
| Voltage | DC 12V |
| Maximum Current | 2.0 A |
| Maximum Flow Rate | 3.5 L/min |
| Maximum Pressure | 0.48 MPa (70 PSI) |
| Power Source | Electric (DC) |
| Pump Structure | Diaphragm Pump |
| Lead Length | 2 ft or 4 ft (random delivery) |
| Country of Origin | Made in China |
What's in the Box?
- 1× DP-521 Electric Diaphragm Water Pump
Note: Batteries are not included. Due to manual measurement, please allow ±1–3 cm variance. Colors may vary slightly from images due to screen settings.
Ideal Applications
- Agricultural and garden spray systems
- RV and marine freshwater plumbing
- Car and vehicle washing
- Lawn irrigation and misting
- DIY fluid transfer projects
For general guidance on safe electrical equipment use and outdoor tool safety, visit the U.S. Consumer Product Safety Commission (CPSC).
Frequently Asked Questions
Q: What power source does the DP-521 diaphragm pump require?
A: The DP-521 runs on a DC 12V power source with a maximum draw of 2.0A. It is compatible with 12V car batteries, solar power setups, RV power systems, and portable power stations — making it extremely versatile for both indoor and outdoor applications.
Q: Can the DP-521 pump be used for agricultural spraying?
A: Yes! The DP-521 is specifically designed with agricultural and garden spray applications in mind. Its 70 PSI maximum pressure and 3.5 L/min flow rate make it well-suited for connecting to spray nozzles, misting heads, and irrigation lines for efficient crop and garden watering.
Q: Is the DP-521 self-priming?
A: Yes, the diaphragm pump design allows the DP-521 to self-prime, meaning it can draw water up from a source without needing to be manually filled first. This makes setup quick and easy for a variety of fluid-transfer tasks.
Q: What is included in the package?
A: Each package includes one (1) DP-521 Electric Diaphragm Water Pump. Batteries and additional fittings are not included. The lead wire length (2 ft or 4 ft) is delivered at random.