Cartridge seals (set of mechanical shaft seal) R-706SE for pumps Grundfos Sarling SE, SL, SEV, SLV, SL1.40, SL2.45, SE SL 9. Art. 98119099, Kit, Shaft Seal F52 4P, 2P, 97926217, 98119100, 97926216. Used in difficult industrial conditions for pumping process and waste water, including untreated, with a high solids content.