Alfa pumps manufactures series apx heavy-duty gear pump from series ap which are useful for pumping and transferring heavy fuel oils like ldo, fo, lshs, hsd, crude petroleum, wax slurries, starch solutions, glue, etc. The series apx come with external lubrication and are ideal in use where the liquid to be transferred do not contain lubricating properties. The pumps are supplied by the company with bearing fitted in bearing covers which are independently lubricated and separated from pumping chamber by a viton seal.
