[EFFICIENT DESIGN] The Backflow Diaphragm Pump features a simple yet effective structure, combining a valve ball with an elastic cross-shaped stop pin for ease of processing. This streamlined design ensures that the pump operates efficiently and reliably, providing optimal performance while maintaining user-friendly handling. [SUPERIOR SEALING PERFORMANCE] Equipped with an advanced sealing mechanism, this diaphragm pump guarantees long-lasting and efficient operation. The innovative sealing design prevents leaks and enhances the overall durability, allowing for peace of mind when using the pump for various applications. [RELIABLE OVERPRESSURE PROTECTION] This model comes with an integrated automatic pressure relief device, adding an extra layer of safety during operation. With its straightforward yet robust structural design, you can trust that your pump will function safely under varying pressure conditions, protecting both the pump and your systems. [VERSATILE AND RESILIENT] Constructed from engineering plastic, this pump demonstrates excellent oil and resistance, alongside heat and wear-resistant properties. It is designed to handle a wide range of fluids, making it perfect for both clean water and light applications while ensuring longevity in tough environments. [COMPACT POWERHOUSE] Despite its small size, the pump delivers remarkable performance with a rate between 3.5-5 liters per minute, operating at a high pressure of 80-120 PSI. Featuring a quiet permanent magnet DC motor running on DC12V, this pump is the ideal choice for situations where space and noise are of concern., Manufacturer: Jelquix