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Size: 3” x 3” (76 mm x 76 mm) Flanged. Casing: Gray Iron 30. Maximum Operating Pressure 77 psi (531 kPa).* “Staggerwing” Four Vane Vortex Impeller: Ductile Iron 65‐45‐12. Handles 3” (76,2 mm) Diameter Spherical Solids. Suction Spool: Gray Iron 30. Discharge Flap Valve: Neoprene w/Nylon and Steel Reinforcing. Impeller Shaft: Alloy Steel 4150M. Bearing Housing: Gray Iron 30. Seal Plate: Ductile Iron 65‐45‐12. Shaft Sleeve: Alloy Steel 4130. Priming Chamber: Gray Iron 30 Housing w/Stainless Steel Float and Linkage. Discharge Elbow: Gray Iron 30. Thrust and Radial Bearings: Open Single Ball. Bearing and Seal Cavity Lubrication: SAE 30 Non‐Detergent Oil. Gaskets: Vegetable Fiber, Rubber. O‐Rings: Buna‐N and Fluorocarbon (DuPont Viton or Equivalent).. Hardware: Standard Plated Steel. Bearing and Seal Cavity Oil Level Sight Gauges. *Consult Factory for Applications Exceeding Maximum Pressure and/or Temperature Indicated.