The QBK-40 PP Pneumatic Diaphragm Pump (AODD Pump) is a high-performance, air-operated double diaphragm pump constructed with polypropylene (PP) for excellent chemical resistance and durability. Ideal for handling acids, alkalis, corrosive liquids, and abrasive fluids, this pump ensures safe, electricity-free operation in hazardous environments. The QBK-40 PP AODD Pump delivers smooth, pulsation-free flow, offers easy maintenance, and provides an energy-efficient solution for industrial, chemical, and water treatment applications. Its lightweight, corrosion-resistant design makes it a reliable choice for demanding liquid transfer tasks.