The GRACO SE2B.0857 is a diaphragm pump designed for reliable, high-performance fluid transfer in industrial applications. While specific details for the SE2B.0857 are not fully available in the provided sources, the SE2B series is known for its robust construction, typically featuring a stainless steel wetted section and multiple elastomer options for compatibility with various materials and cleaning chemicals. These pumps are intended for use in food, personal care, and pharmaceutical industries, handling abrasive and corrosive fluids with ease.