BBUE 22mm shaft seal, set for Grundfos LM, LP, NM, NP circulation pumps
Technical characteristics: shaft diameter: 22 mm; friction pair: graphite with inclusions of polymer resins on tungsten carbide (BU); secondary seal: EPDM (except petroleum products and water-oil solutions); working t°: -20°C to +120°C; working P: up to 16 bar. SKU: 485278