0123-401 Repair Parts, Lutz PVDF Mechanical Seal Drum Pump Tube with High Volume Rotor, Exploded View Part Breakdown Diagram. PVDF 41-R-MS 1000mm PDF Manual. Replacement Adjusting Ring, Hose Bearing, Drive Shaft, Bearing Unit, Connecting Head, Hose Connector, Inner & Outer Tube. Distance Sleeve, Sliding Ring Holder With Mounting Tip, Coupling Cpl, Screw, Snap Ring, Mechanical Seal. FPM O-Ring, Shaft Tube Guide, Wing Nut, Outrun Piece, Sealing Module, Pump Foot & Hand Wheel.