GPD20-12Z Circulation Pump

Sales GPD20-12Z Circulation Pump

It is a one-speed circulation pump that can be used in both open and closed systems. The pump is of the wet-rotor type, l.e. pump and motor form an integral unit without a shaft seal and with only two gaskets for sealing. The bearings are lubricated by the pumped liquid.

The pumps are designed for circulation of liquids in heating and air-conditioning systems. Examples of typical applications are:

One- and two-pipe heating systems /Boiler shunt pumps /Pumps for heating surfaces /Calorifiers/ Underfloor heating systems /Solar heating systems /Heat pump systems /Geothermal heating systems / Heat recovery systems /Two-pipe air-conditioning systems /Pumps for refrigeration units.

Product Detail  

The pump is of the canned rotor type, i.e. pump and motor form an integral unit without shaft seal and with only two gaskets for sealing. The bearings are lubricated by the pumped liquid. Speed no: The pump has single speed selector.
The pump is characterized by:

  • Ceramic shaft and radial bearings.
  • Carbon axial bearing.
  • Stainless steel rotor can and bearing plate.

Product features

1.Low noise

2.No leakage

3.Ecological safety in operation

4.Artistic appearance

5.Easy installation

6.Reliable operation

Product selection

1.pump of cast iron body is widely used for delivering water of room temperature.

2.pump of copper body is largely used in the underground heating system.

3.for delivering domestic hot water we recommend using pump of stainless steel body(GDP-N) or copper body(GPD-B) 




Model: GPD20-12Z
Power: 300W
Max.flow: 2.8m³/h
Max head: 4m
Current: 1.5A
Voltage/ Frequency: 115/230V  50/60HZ
Pump housing: Cast iron
Pumped liquid: Water
Insulation class: H
Degree of Protection: IP44
Liquid temperature range: 2-110℃
Max System Pressure: 1.0Mpa


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