NKV 6/3 S T Multistage centrifugal pump

Product detailed description

NKV 6/3 S T Multistage centrifugal pump

For NKV 10 - 15 - 20 pumps

• Asynchronous enclosed two-pole motor cooled by external ventilation
• The rotor runs on robust rolling bearings with a permanent grease fill, ensuring quiet operation and a long service life.
• The motor must be protected against short-circuit and overload by suitable devices in the user's electrical installation in accordance with applicable standards.
• Protection rating: IP55
• Insulation class: F
• Liquid temperature range: from -15 °C to + 120 °C
• Pumped liquid: clean, free of solid and abrasive particles, non-aggressive, non-viscous, non-crystallising, chemically neutral, with properties close to water
• Operating range 4 to 29 m³/h with head up to 249 m

For NKV 32 - 45 - 65 - 95 pumps

Pump design.

• All pump parts in contact with the pumped liquid are made of non-corroding materials.
• The pump's inner casing is made of precision-cast stainless steel AISI 304, the diffusers are made of ULTEM technopolymer.
• The pump shaft is made of stainless steel AISI 431, the impellers and pump casing are made of stainless steel AISI 304.
• The outer base casing has an electrophoretic surface finish and, together with the motor spacer, is made of cast iron.
• Standardised mechanical seal silicon carbide/carbon/EPDM
• Connection to the motor shaft is by a rigid two-piece coupling.
• Operating range from 17 to 118 m³/h with head up to 320 m