R385 DC 6V-12V Diaphragm Based mini Water Pump

the r385 dc 6v–12v diaphragm mini water pump is a compact and efficient low-voltage water pumping device designed for small-scale liquid transfer and circulation applications. it works using a diaphragm-based mechanism, which allows it to move water smoothly and consistently while keeping the motor completely isolated from the liquid. this design improves safety, reduces wear, and increases the overall lifespan of the pump.

the working principle of this pump is based on a diaphragm compression system. when dc power is supplied (6v to 12v), the internal motor drives a diaphragm that moves back and forth. this creates suction and pressure cycles, pulling water in through the inlet valve and pushing it out through the outlet. because of this self-priming action, the pump can start working without manual filling of water, which makes it very convenient for automatic systems.

one of the key advantages of the r385 pump is its ability to handle low-pressure liquid transfer efficiently. it provides a steady flow rate of around 1.5 to 2 liters per minute, making it suitable for controlled water movement in small systems. it also supports a maximum vertical lift of up to 3 meters and a suction height of about 2 meters, depending on installation conditions and power supply stability.

the pump operates within a dc voltage range of 6v to 12v and typically draws around 0.5 to 0.7 amps, making it compatible with batteries, adapters, solar systems, and microcontroller-based control circuits using relay modules or motor drivers. this makes it highly suitable for diy electronics and automation projects.

because of its compact size, it is easy to integrate into small systems where space is limited. the standard inlet and outlet ports allow simple connection with flexible tubing, making installation quick and user-friendly.

this pump is widely used in various applications such as:

• aquarium water circulation systems

• diy automatic watering and irrigation systems

• small hydroponic setups

• solar water pumping experiments

• cooling systems for electronic projects

• laboratory fluid transfer setups

• robotics and automation water systems

the diaphragm design ensures quiet operation and prevents contamination since the motor is never in direct contact with the liquid. it can also handle water temperatures up to 80°c, making it suitable for a variety of non-corrosive fluids.

overall, the r385 dc diaphragm mini water pump is a reliable, energy-efficient, and compact solution for small water transfer applications. its self-priming capability, stable flow rate, and easy integration make it a popular choice for hobbyists, students, and professionals working on diy electronics and automation projects.