The ZONESUN ZS-QBY-K25 Pneumatic Diaphragm Pump is a compact, air-operated solution designed for transferring viscous materials in industrial workflows. Ideal as a pre-stage device for solid-liquid separation systems, it efficiently pumps thick pastes such as peanut butter, tomato slurry, and chocolate. Its versatile mounting options allow integration with various equipment to achieve customized functions. With pneumatic operation, it offers safe, explosion-proof performance without electricity, making it suitable for food, chemical, and pharmaceutical applications.