Self-Priming 316L Stainless Steel Vacuum Tank for Centrifugal Pump Eliminating Foot Valve Industrial Water Supply Tank. Designed to assist pump priming and liquid suction, helping establish a stable liquid supply condition before pump operation and reducing the risk of dry running. Made of stainless steel for excellent mechanical strength and corrosion resistance, suitable for a wide range of industrial chemical liquid transfer applications. Can be integrated with industrial pumps and vacuum suction systems to support stable liquid transfer, improve system reliability, and simplify pump operation.