... Pump & spares BETTER has several style of mechanical seal, tungsten carbide faces, ceramic to carbon face ... your confirmation with us when inquiry: Seal, Mechanical (Tungsten carbide faces), P/N: 22451-1, ... face), P/N: 22451-3, 648414357 Seal, Mechanical (silicon carbide faces), P/N: 22451-9A ... Ring, P/N: 648408607 A set of mechanical seal includes Mechanical seal, 3 pcs packings and a pin. ...