NKM-G, enbloc centrifugal electric pumps by DABpumps

• Water supply;
• Circulation of hot water for central heating;
• Circulation of cold water for air conditioning and refrigerating;
• Transfer of liquids in agriculture, horticulture and industries;
• Implementation of pumping systems.

Pump construction characteristics:

• Single-stage, cast iron spiral body made to DIN-EN 733 (formerly DIN 24255), cast iron support;
• Flanges in accordance with DIN 2533;
• Cast iron impeller, encased and dynamically balanced with compensation of the axial thrust by means of balancing holes, operating (on request) with interchangeable consumable rings;
• AISI 304 stainless steel pump shaft;
• Seal: standardised mechanical seal made to DIN 24960 in carbon / carborundum with O’ rings in EPDM.

• Built to: IEC 2-3 standards;
• Protection level: IP 55;
  
• Insulation level: F;
  
• Standard voltage: 230/400 V 50 Hz up to 2,2 Kw included 400 V ∆ 50 Hz over 2,2 Kw;
  
• Speed of rotation: 1450 - 2900 1/min;
  
• Operating range: from 1 to 105 m3/h with head up to 96 metres;
  
• Characteristics of pumped liquid: clean, free from solids or abrasive substances, not viscous, not aggressive, not crystallised and chemically neutral and close to the characteristics of water;
  
• Liquid temperature range: from -10°C to +140°C;
  
• Maximum ambient temperature: +40°C;
  
• Maximum operating pressure: 16 bar - 1600 kPa
  
• Flanging: PN 16 DIN 2533
  
• Installation: normally horizontal or vertical provided the motor is always above the pump;
  
• Special versions on request: pumps for liquids other than water;