What Are You Looking For?
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Model |
Basic 20-7S Pro |
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Maximum flow |
3.5m³/h |
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Rated flow rate |
2m ³/ h |
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Maximum head |
7m |
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Rated head |
4.7m |
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Current |
0.73/0.52/0.33A |
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Input Power |
70/115/140W |
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Ingress protection |
IP44 |
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Noises Index(Rated flow point) |
<48dB(A) |
Item NO.:
Basic 20-7S ProMixed circuits in single and double pipe heating systems;
Large-scale systems in different fields such as urban apartments, suburban villas, residential water supply pressurization;
Geothermal systems ;
Hot water circulation, liquid circulation in cooling and air conditioning systems;
Boiler solar water supply,etc..
Basic circulation pumps designed and produced by our specialists have these features: low noise, no leakage, ecological satety in operation, artistic appearance, easy installation and reliable operation.
Basic pumps are of the canned rotor type, i.e. the pump and motor form a single unit without shaft seal. This unit requires only two sealing rings and the bearings are lubricated with pumped liquid.
Advantages of Basic pumps design:
1. Single or three-speed motor.
2. Ceramic radial bearings.
3. Carbon thrust bearing.
4. A protective rotor can, external rotor cover, and bearing plate are made of stainless steel.
5. Cast iron pump housing.
6. Thermal switch integrated in the stator coil, for motors from 140 W.
Working Conditions
1. System pressure: max. 10 bar.
2. Liquid temperature: from +2 to +110 °С.
3. Users can select a model from the type spectra according to the requirment of head, flow and frequency.
4. Power supply: voltage 220~240V, frequency 50Hz, three-phase AC power.
5. Maximum system pressure: 1.0MPa.
6. Ambient temperature: 0℃ ～40℃, temperature of medium: 2 ℃ ～95 ℃. In order to avoid condensed water in stator, make sure the ambient temperature is lower than liquid temperature.
7. Medium: thin, clean, non-corrosive and non-explosive liquid, does not contain any solid particles, fibers or mineral oil. Pump must not be used for delivering flammable liquids, such as diesel and gasoline.
8. Delivering liquid of high viscosity will reduce performance of the pump, so while choosing a pump, the viscosity of the medium must be taken into consideration.
9. Maintain minimum pressure at the pump inlet to avoid cavitation noise and damage to pump bearings.
1. Product Certification
The product meets the certification requirements of CE, and CCC;
2. Product application conditions
2.1 Media requirements for use
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Medium used: water or a mixture of water and ethylene glycol (≤ 50%) |
Medium water temperature :2℃～95℃ |
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Medium pH value: 6.5~8.5 |
Medium hardness ：≤25°dH |
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Solid impurity content in the medium: The diameter and length direction of solid impurities are ≤ 0.1mm, and the volume ratio is ≤ 0.1%. |
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2.2 Environmental requirements for use
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Usage: Keep the axis horizontal |
Altitude: ＜ 1000m |
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Operating environment temperature: 0 ℃~40 ℃ (There is no freezing phenomenon in the pipeline and circulating pump) |
Operating environment humidity ≤ 95% |
2.3 Storage environment requirements
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Storage environment temperature:-30℃~70℃(There is no freezing phenomenon in the pipeline and circulating pump) |
Storage environment humidity ≤ 95% |
2.4 Comparison Table of Water Temperature and Inlet Pressure
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liquid temperature |
＜50℃ |
95℃ |
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Inlet pressure |
0.2bar |
0.9bar |
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2 meter head |
9 meter head |
2.5 Motor type
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Motor type: asynchronous motor |
Enamelled wire material:copper |
Insulation level ：H |
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Motor DC cold resistance of motor at 20 ℃: Main Winding: 115 ± 5% Ω； Secondary Winding:115 ± 5% Ω； |
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Installation
During installation, the shaft of pump should be parallel to ground. Before start-up, open the venting screw on the top of the motor so that air in the pump can be released well, and then re-fasten the venting screw. This will help preventing pump from dry running.
This performance curve is applicable to clean water at room temperature. If a circulating pump is used for non clean water media, the hydraulic performance of the pump will decrease. Therefore, when selecting a pump, the characteristics of the liquid medium being transported should be considered.
Tags :
Model Max. flow Power Rated flow Rated head Rated current Material of Pump body (m³/h) (W) (m³/h) (m) (A) Basic Pro 25-12SL-200 5 300 3.5 9 1.5 cast iron Basic Pro 25-12SXL-180 6.5 500 5 9 2.5 cast iron Basic Pro 25-12SXL-220 6.5 500 5 9 2.5 cast iron
Model Basic 15-9S Power 120/80/65W Max.flow 1.8m³/h Max head 9m Current 0.53/0.4/0.25A 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
Model Basic 15-12S Power 270/240/160W Max.flow 3.5m³/h Max head 12m Current 1.2/1.1/0.75A 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
Model Basic 20-5S/Basic 20-5SB/Basic 20-5SN/Basic 20-5SQ/Basic 20-5SP Power 85/60/40W Max.flow 2.8m³/h Max head 5m Current 0.4/0.3/0.22A Voltage/ Frequency 115/230V 50/60HZ Pump housing cast iron, stainless steel body(N) ,copper body(B) ,Bronze(Q) and Plastic (P) Pumped liquid Water Insulation class H Degree of Protection IP44 Liquid temperature range 2-110℃ Max System Pressure 1.0Mpa
Model Basic 20-6S,Basic 20-6SN Power 100/70/55W Max.flow 2.8m³/h Max head 6m Current 0.45/0.35/0.25A Voltage/ Frequency 115/230V 50/60HZ Pump housing cast iron, stainless steel body(N) ,copper body(B) ,Bronze(Q),Plastic (P) Pumped liquid Water Insulation class H Degree of Protection IP44 Liquid temperature range 2-110℃ Max System Pressure 1.0Mpa
Model Basic 20-7S, Basic 20-7SB, Basic 20-7SN,Basic 20-7SQ,Basic 20-7SP Power 130/110/90W Max.flow 3.5m³/h Max head 7m Current 0.6/0.52/0.42A Voltage/ Frequency 115/230V 50/60HZ Pump housing cast iron, stainless steel body(N) ,copper body(B) ,Bronze(Q) and Plastic (P) Pumped liquid Water Insulation class H Degree of Protection IP44 Liquid temperature range 2-110℃ Max System Pressure 1.0Mpa
Rated Voltage/Frequency 230V/50Hz Insulation class Class H IP class IP44 Noise Index ≤50dB(A) Max System Pressure 10bar(1.0 MPa) Medium liquid Clean water Certification CCC\GS\UL\CE\RoHS\REACH\EEI
Rated Voltage/Frequency 230V/50Hz Insulation class Class H IP class IP44 Noise Index ≤50dB(A) Max System Pressure 10bar(1.0 MPa) Medium liquid Clean water Certification CCC\GS\UL\CE\RoHS\REACH\EEI
Model Basic 32-9F Power 300W Max.flow 8m³/h Max head 9m Current 1.5A Voltage/ Frequency 115/230V 50HZ Pump housing Cast iron Pumped liquid Water Insulation class H Degree of Protection IP44 Liquid temperature range 2-110℃ Max System Pressure 1.0Mpa
Model Basic 80-12SF Pro Power 1500W Max.flow 40m³/h Max head 12m Voltage/ Frequency 380V /50HZ Pump housing Cast iron Pumped liquid Water Insulation class H Degree of Protection IP42 Liquid temperature range 2~110℃ Max System Pressure 1.0Mpa
Model Basic 50-12F Pro Power 1000W Max.flow 28m³/h Max head 12m Current 4.7A Voltage/ Frequency 220~240V 50HZ Pump housing Cast iron Pumped liquid Water Insulation class H Degree of Protection IP44 Liquid temperature range 2-110℃ Max System Pressure 1.0Mpa
Operation range Feed up to 2.8 m³/h Head up to 12 m Supply voltage 1 x 230 V Liquid temperature from 2 to +60 °C Ambient temperature from 2 to +40 °C Max. operating pressure 6 bar Connection of PROMO 15-12A G 3/4"
NO.1 Yanglin Road, Hi-tech Development Zone, 230088 Hefei, Anhui, P.R. China
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