NKV 20/15 S T Multistage centrifugal pump DAB.NKV

Product detailed description

NKV 20/15 ST Multistage Centrifugal Pump

• Asynchronous closed double pole motor cooled by external ventilation
• The motor is housed in rugged roller bearings with a permanent grease packing for quiet operation and long life.
• The motor should be fused against short circuit and overload by suitable devices in the user's wiring according to the applicable standards.
• Class of protection: IP55
• Insulation Class: F
• Fluid Temperature Range: -15 °C to +120 °C
• Brushed liquid: clean, free of solids and abrasives, non-aggressive, non-viscous, non-crystallizing, chemically neutral, properties close to water
• Operating range 4 to 29 mFor pumps NKV 32 - 45 - 65 - 95

  Pump design.

  • All parts of the pump that are in contact with the pumped liquid are made of non-corrosive materials.
  • The inner body of the pump is made of precision cast AISI 304 stainless steel, the diffusers are made of ULTEM technopolymer.
  • The pump shaft is made of AISI 431 stainless steel, the pump impellers and casing are made of AISI 304 stainless steel.
  • The outer base body is treated with an electrophoretic coating and, together with the motor spacer, are cast iron.
  • Silicon carbide/carbon/EPDM mechanical seal
  • The connection to the motor shaft is a solid two-piece flange coupling.
  • Operating range from 17 to 118 m^3: