PUMP SPECIFICATIONS • Size: 6NNDH - 6" discharge x 6" suction with 125# cast iron flanges. • Casing: Cast Iron. • Impeller: Open Delta - 2 vane. Handles 3" diameter solids. • Seal: Cornell’s patented Cycloseal® design with Run-Dry oil lubrication system. John Crane T-2 single mechanical seal with Viton® elastomers, stainless steel hardware and tungsten- vs. silicon- carbide seal faces for abrasion resistance. • Check Valve: SwingFlex® Val-Matic®. • Shaft Sleeve: Heat treated 416 stainless steel. • Bearings: Heavy duty, grease lubricated, deep groove ball bearings, with a minimum of 50,000 hours bearing life. • Hardware: Stainless steel float linkage. A positive seating vacuum priming valve prevents water carry-over to the vacuum, pump or atmosphere. • Vacuum Pump - 50 SCFM Maximum.