Mini Electric Water Pump 3.7V6V DC Micro Submersible Pump with Automatic Reflux Valve Low Noise Continuous Flow

Product summary A singlepiece pump featuring a reflux valve design that allows continuous motor operation while protecting the unit when the outlet is blocked. Key benefits Prevents pressure buildup when the outlet is blocked: the reflux valve opens and allows water to circulate inside the pump while the motor continues to run. Continuous operation without immediate shutdown: keeps processes running and avoids interruptions that can affect productivity. Multiple flow options and measurable lift: choose the flow rate that fits your application and achieve a lift greater than 0.3 meter. Low noise operation suitable for workplace environments: designed for applications where reduced sound levels matter. Wide applicability: suited for sewage sampling and large flow liquid transfer tasks, helping to improve conversion rates in process workflows. Features and specifications Color: 1 Piece Reflux valve design: valve opens when outlet is blocked to allow internal circulation Behavior when outlet is blocked: motor continues running while water circulates through the reflux valve Flow options: 2.2 L per minute, 3 L per minute, 3.5 L per minute Lift: greater than 0.3 meter Practical applications Sewage sampling: steady, lownoise transfer for sample collection and monitoring systems. Large flow liquid transfer: bulk transfer of liquids where continuous pumping and circulation on blockage are required. Workplace environments requiring low noise: installations where reduced sound and uninterrupted operation improve workflow and conversion outcomes. How it solves common problems Eliminates the need to stop the motor immediately when the outlet is blocked by allowing safe internal circulation. Reduces downtime and process interruptions, supporting continuous operation in sampling and transfer tasks. Offers selectable flow rates to match different process demands without changing equipment. Usage notes The motor will continue to run if the outlet is blocked; the reflux valve provides circulation inside the pump in that condition. Select the appropriate flow rate for your task from the available options: 2.2 L per minute, 3 L per minute, or 3.5 L per minute. This pump is intended for applications requiring continuous operation, liquid transfer at the specified flow rates, and lownoise performance.