BUSHING (B50-281) BRONZE
COLECTOR SUCTION (B50-286) BSP
COLECTOR DISCHARGE (B50-287)
SEAT (B50-292) ACERO INOXIDABLE
SEAT (B50-293) ALUMINIUM
DIAFRAGMA (B50-312) PTFE
SHAFT BUSHING (B50-315) POLIPROPILENO