ROBUSCHI - CHEMICAL PROCESS PUMPS WITH OPEN IMPELLER

RKN SERIES

The RKN Pumps are single stage centrifugal pumps with axial inlet, manufactured to grant a "back pull out" disassembly. The RKN line is covered by one bearing brackets.

Field of Application

Because of the recessed open impeller designed with wide crossed section between blades it is possible to pump, without any clogging problem, solution with crystals, muddy and/or viscous liquids, with particles or fibrous materials chemically inert or aggressive.

The RKN pumps are suitable in chemical and petrochemical industry, in steelworks, in sewage treatment plant, in paper and sugar industry, in pharmaceutical industry, in textile and food processing industry and shipyards.

Operating Limits

• Capacity Q up to 70 m3/h
• Head H up to 60 m
• Pressure p up to 16 bar
• Temperature t from -50 up to +280°C
• Diameter DN from 32 to 50 mm

Design Features

Bearing Bracket

Drive end bearings are oil lubricated selected for long life and reability.

Drive Shaft Seals

The RKN pumps have soft gland packing seal flushed by external clean fluid. In order to assure operation with different liquids, a wide range of mechanical, double, tandem or single seal are provided.

Flush and quench piping plans for mechanical seals are design in compliance with API standard 610.