Energy efficient circulators with 180 mm mounting length are used for pumping heat transfer media in heating, underfloor heating and hot water supply systems. The heat transfer medium can be either pure fresh water or a liquid with 50% glycol impurities. Pumps of this type significantly improve efficiency of heating systems. The pumps are characterized by low noise level and reliable design. They are a good solution in apartments, private houses, cottages, agriculture, warehouses. Energy efficient pumps significantly save on electricity consumption costs.
Pumping part
– Casing: aluminium and cast iron, treated with cataphoresis anti-corrosion treatment and water resistant painting.
– Impeller: polyester sulfone technopolymer (PES)
– Motor shaft: Alumina metallized nanoceramics
Conditions of use
– Heat transfer medium: fresh water. Liquid containing glycol up to 50% may be used with significant impairment of pump performance.
– Degree of contamination: not permissible
– Ambient air humidity: < 60%
– Ambient air temperature: + 5 ℃ … + 40 ℃
– Pumped liquid temperature: -5 ℃ … + 110 ℃
– Max working pressure: 1.0 MPa (10 bar)
– Fitting length: 180mm
– Orifice diameter: 25 mm
– Connection: 1½ “
– Number of operating modes: 11
Motor:
– Motor type: permanent magnet synchronous motor with frequency converter of shaft rotation speed and thermal protection built into the winding
– Stator insulation: austenitic stainless steel AISI 304
– Stator winding: 100% copper
– Insulation class: F – motor temperature resistance up to 155 ℃
– Bearings: Metallized alumina nanoceramic
– Voltage: 220-240V
– Frequency: 50 Hz
– Protection class: IP 44
– Cable length: 1.3m.
– Mode of operation: continuous
Accessories:
Pump, steel nuts, cable 1.3 m, instruction manual.
Technical specifications model KP.N25/4-180
| Velocity | 1 | 2 | 3 | A | N | CP1 | CP2 | CP3 | PP1 | PP2 | PP3 |
| Power, kW | 18 | 28 | 35 | 18 (max) | 5 | 12 | 14 | 18 | 14 | 16 | 19 |
| Pressure, m | 2 | 3 | 4 | A | 3 | 1,5 | 2,7 | 3,2 | 2 | 3 | 3,3 |
| Supply, l/min | 23 | 35 | 50 (max) | A | 12 | – | 20 | 17 | 13 | ||
Technical specifications model KP.N25/6-180
| Velocity | 1 | 2 | 3 | A | N | CP1 | CP2 | CP3 | PP1 | PP2 | PP3 |
| Power, kW | 24 | 36 | 43 | 35 (max) | 8 | 14 | 16 | 22 | 22 | 26 | 35 |
| Pressure, m | 3 | 5 | 6 | A | 5 | 2 | 3,4 | 4,8 | 2,5 | 3,5 | 5 |
| Supply, l/min | 30 | 40 | 55 (max) | A | 15 | – | 30 | 26 | 20 | ||
Size and weight characteristics
| Model | Gross weight, kg | Package length, mm | Package width, mm | Package height, mm |
| KP.N25/4-180 | 3,5 | 210 | 150 | 100 |
| KP.N25/6-180 | 3,5 | 210 | 150 | 100 |