0151-401 Repair Parts, Lutz Horizontal Stainless Steel Mechanical Seal Drum Pump Tube with High Volume Rotor, Exploded View Part Breakdown Diagram. B200 PURE SS 41-R-MS for IBC, FPM PDF Manual. Replacement Ring, Fitting, Rotor, Drive Shaft, Connecting Head, Coupling Cpl. Screw, Seal, Gasket, O-Ring, Ball Bearing, Hand Wheel, Tri-Clamp Fastener, Check Valve.