What Are You Looking For?
|
Power supply voltage |
220~240V 50/60Hz, AC |
|
Motor protection |
No external protection required |
|
IP class |
IP44 |
|
Insulation class |
H |
|
Humidity(RH) |
Max. 95% |
|
System pressure |
1.0 MPa |
|
Compliance |
CE/ GS/ EMC/ LVD/RoHS/REACH |
|
Environment temperature |
0～+40℃ |
|
Temperature class |
TF110 |
|
Liquid temperature |
-30～+110℃(Glycol up to 50%) |
Item NO.:
Master D 20-41. Home heating and domestic water supply system
2. Industrial circulation system
3. Heating system with variable pipeline temperature
4. Air conditioning and cooling system
5. Industrial circulation system
6. Domestic hot water and drinking water supply system
1. Stable heating system with variable flow
2. System with night mode
3. System with variable temperature liquid
4. System with constant or variable flow
5. Type of connection/unions：Molex /TE/ Shinhoo standard
Advantages:
1. Intuitive one-button operation makes selection of any control mode simple
2. No external motor protection required reducing installation time
3. High-torque start improves startup under harsh conditions
4. Maintenance free and noiseless due to canned-rotor design and use of robust components
5. Fast connection plug makes electrical installation quick, safe and easy
6. Insulating shells are available to minimize heat loss in heating systems
7. The pump features three constant-curve modes, proportional pressure curves, constant pressure curves, Auto and night mode.
8. The speed can also be controlled by a low-voltage PWM signal from a controller to optimize the system performance, both PWM1 for heating and PWM2 for solar systems are available.
9. High efficiency circulator which features well-designed compact structure, integrated controller and frequency converter.
10. It is easy for installation and operation in most fields of applications.
11. In terms of electricity consumption, the unique operation mode makes High efficiency circulator more energy saving.
Easy installation and operation
Equipped with Self Adapting Model (Auto Mode, Factory Setting), pump runs once the power is connected and adapts its performance according to actual system needs. Control is affected by digital pulse-width modulation (PWM) low-voltage signal, enabling the pump to be used to meet different flow requirement in various systems.
Low noise and high comfort
Noise index: ≤42dB(A)
Low energy consumption
A class energy efficiency, Power consumption lowest to 5W
Multiple protection
With over-voltage and over-current protection
Eco-Design Benchmark
EEI≤0.20-Part 2
Quick release power plug
Start-up and stop the pump quickly.
1.The indicator lights indicate the actual operating status.
2.The pump has a ceramic shaft and radial bearings, carbon thrust bearing, stainless-steel rotor can, bearing plate and rotor cladding, composite impeller, all of which contribute to long life.
3.Best magnet material ensures the high efficiency of motor and pump.
4.The pump is self-venting through the system, which contributes to easy commissioning. The compact design with integrated control box and control panel on side of the motor fits into most common installations.
5.The pump housing is made of cast iron and electro coated to improve the corrosion resistance.
6.The motor is a synchronous permanent-magnet/compact-stator motor characterized by high efficiency.
7..The pump speed is controlled by an integrated frequency converter incorporated in the control box.
8.The pump equipped with different fast connection solutions (fast connector, TE, Molex etc) to fulfill the requirements of different systems.
Technical Data
Model: Master D 20-4
Power: 25W
Current: 0.50A
Voltage/ Frequency: 230V 50/60HZ
Pump housing: Cast iron
Pumped liquid: Water
Insulation class: H
Degree of Protection: IP44
Liquid temperature range: -30-110℃
Energy(EEI): ≤0.20-Part2
Max System Pressure: 1.0MPa
Working Conditions
1. Ambient temperature
The ambient temperature is 0℃～+70℃.
2. Relative humidity of the air (RH)
The maximum humidity is 95%.
3. Media (conveying liquid) temperature
Temperature of liquid conveying +2℃～110℃.
To prevent the control box and stator from appearing condensate water, the temperature of pump conveying liquid must be always higher than the ambient temperature.
4. System pressure
The maximum is 1.0 MPa (10 bar).
5. Protection Level
IP44
6. Inlet pressure
To avoid damage to the pump bearing caused by cavitation noise, the following minimum pressure should be maintained in the pump inlet:
|
Liquid temperature |
＜75℃ |
95℃ |
110℃ |
|
Inlet pressure |
0.05bar |
0.5bar |
1.08bar |
|
Head of delivery of 0.5m |
Head of delivery of 5m |
Head of delivery of 10.8m |
7. Installation Drawing
8. Pumping liquid
Thin, clean, non-corrosive and non-explosive liquid does not contain any solid particles,fibers or mineral oil; the pump should not be used for conveying flammable liquid such as vegetable oil and gasoline absolutely. If the circulating pump is used for the case of high viscosity, the pump performance will reduce, therefore, when selecting a pump, the viscosity of liquid must be considered.
Tags :
Model Master SD 25-8 130/ Master SD 25-8 180 Maximum flow (m³/h) 3.6 Maximum head (m) 8 EEI EEI≤0.21-Part2 Rated voltage 220-240V AC Rated current 0.55 A Frequency 50/60Hz Maximum power 70 W Design pressure 1.0MPa Noise ≤42dB(A) IP class IP44 Insulation class H
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
Power supply voltage 220-240V 50/60Hz, PE Motor protection No external protection required IP class IP44 Insulation class H Humidity(RH) Max. 95% System pressure 1.0 MPa Compliance CE/ GS/ EMC/ LVD/RoHS/REACH Environment temperature 0～+40℃ Temperature class TF110 Liquid temperature -30～+110℃ (Glycol up to 50%) Voltage/ Frequency 230V/50HZ Pump housing Cast iron Energy(EEI) ≤0.23-Part2
NO.1 Yanglin Road, Hi-tech Development Zone, 230088 Hefei, Anhui, P.R. China
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