Professional manufacturer of Metal Cacade Mini Ring Size:1P 1.5P 2P 2.5P 3P 4P Material:SS304 304L 316 316L 410 etc XINTAO ... steel, stainless steel including 304, 304L, 410,316, 316L.Advantage 1) Reduced pressure drop Reduced Pressure drop occurs because the Cascade ... pressure drop point at which flooding occurs. This is typically 1-2 in., wc/ft or 10-20 mbar/in). This ...