Centrifugal Sand Pump seal (XBSY sand pump seal), Mud centrifugal pump parts and ANSI pump parts:Type 1 seals with machined head for mud centrifugal pumps. Type 1 seals with machined head and with collar for ANSI pumps. Type 1 seals with stamped head for some light duty centrifugal pumps. Type 1 seal and shaft sle