The Vevor air-operated double diaphragm pump is designed for transferring petroleum, diesel, oil, and other low-viscosity or viscous fluids. It features a cast iron body with double nitrile diaphragms for durability, corrosion resistance, and leak-resistant operation. The pump delivers up to 3 GPM with a maximum pressure of 90 psi and a maximum head lift of 196.85'. Its air-operated design supports smooth changeover and reliable non-stall performance across industrial applications. This pump is suitable for use in petroleum, metallurgy, mining, coating, printing, water treatment, and automotive environments.