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  • Solar Powered Stainless Steel Dc Pump - China

    price: contact company for price


    Max Flow Rate: 20LPM / 5.3GPM

    Max Static Lift: 4.5M/ 14.5'

    Rated Voltage: 17V

    Impeller Type: Half- Closed impeller

    Power Consumption : 5W 10W 15W 25W

    Liquid Temperature: 0- 110°C

    â– Overview

    Product description

    ● Directly connects to photovoltaic panel, start- up power requires less than 2 Watt

    ● Ideal 5W, 10W, 15W, 25W power consumption optional for different sizes SWH systems

    ● The exclusive food grade stainless steel solar DC hot water pump, keep far away Plumb danger

    more safe, protect your families' health

    ●Operates on safe DC power, you will not expose yourself to hazardous grid power voltage

    ●High efficient ECM brushless DC motor, ideal long life time30000 hours

    ●Advanced magnetic drive technology for static- seal, without any leakage for ever

    ●Can run with hot water ( 230° F) and at high pressure( 145 Psi)


    Economic and powerful, high efficient

    Compact design, easy installation

    No plumb exudation, more safe

    Can sustain continual heavy duty work

    Low or no maintenance

    Whisper quiet operation

    Various protection functions

    DC power supply or battery is applicable

    Billowy flow rate 25LPM at 24V DC is available


    DC brushless motor with energy efficiency technology use MPPT by micro processor, and variable speed & power consumption optional by dial control. Stable & advanced soft- starting function, very low in- rush current, perfect for working directly with PV panel.


    Highly efficient and dynamically balanced with fine ceramic bearing for smooth ultra quiet operation.


    Wetted parts are food grade stainless steel, food grade thermoplastic ( Viton) , carbon and ceramic for superior reliability and corrosion resistance.

    Over voltage protection

    When the voltage over 28V, the pump will auto- protect and shut off own power supply, when the voltage falls below 28V, the pump will restart automatically.

    Over load protection function

    This means that when the current is over the rated current, such as can arise if the impeller is stuck due

    to debris. The pump will automatically stop to prevent damage, and will restart when the current falls again.

    PV operated

    For solar system loops, the TD5 pump can be powered directly from a PV panel. Thesun comes up, heat builds in the solar hot water panel and at the same time electricity is made in the PV panel. The pump slowly starts with the smallest amount of current and pushes the heated water to the storage tank. It' s all too simple and eliminates all controllers, thermostats and sensors.

    Soft start- up

    The TD5 Solar DC pump has a soft start- up feature which reduces high in- rush current. When the photovoltaic panel provides sufficient power, the pump goes through the alignment phase by turning the rotor into the position required for start- up. The processor then waits until the capacitor is sufficiently charged. This enables a start- up with minimal power ( less than two watt) . Cycling due to unsuccessful attempts is minimized. Even after prolonged shutdown, the

    pump will start reliably .

    Automatic polarity protection

    Red is plus, black is minus, if wrong polarity will not damage the motor for it has the automatic polarity protection function.


    The TD5 solar DC pump can be used for most circulation pump applications without connection to the power grid. Highly efficient, the TD5 can be connected directly to a photovoltaic panel and is characterized by its small size, high efficiency, and extreme low power consumption. The long life brushless motor technology provides maintenance free and quiet service life. This pump is perfect for single family home thermal solar systems or any circulation pump application where conventional power is not available.

    Areas of Use:

    ● Solar Water Heating Systems

    ● Portable power supplies

    ● Hot pump air conditioner

    ● Air energy water heater

    ● Hot Water Circulation

    ● Radiant Floor Heating

    ● Heat Transfer Applications

    ● Cooling Systems

    ● Beer Brewing

    ● Food Liquid Transfer

    ● Hot water Transfer Pump for Home Brewing

    â– Specifications

    1 Max Flow Rate 20LPM / 5.3GPM

    2 Max Static Lift 4.5M/ 14.5'

    3 Rated Voltage 17V

    4 Impeller Type Half- Closed impeller

    5 Power Consumption 5W 10W 15W 25W

    6 Liquid Temperature 0- 110°C

    7 Food Grade( Y/ N) Y

    8 Pump Theory Centrifugal pump

    9 Motor Type brushless DC motor

    10 Ambient Temperature - 10- 50°C

    11 Media Pure Water

    12 Waterproof Class IP42

    13 Use Place Indoor

    14 Working Voltage Range 6~24V

    15 Noise Class form 1M 45dB / Max

    16 Ideal Life Time 30000 Hours

    17 Working Mode Continuous

    18 Pipe Connections: male 1/ 2” BSP or male 1/ 2” NPT

    19 Maximum Working Pressure 10bar ( 145Psi)

    20 Weight 860 g

    21 Power Supply DC power supply, battery, solar powered

    22 Protection Functions Over- voltage protection, overload protection, over- current protection, reverse polarity protection ( optional)

    23 Remarks Can’t dry- running, not Self- priming

    â– Parameter


    Max Capacities: 20LPM / 5.3GPM

    Max Head: 4.5M/ 14.5'

    Pipe Connections: male ½” BSP or male ½” NPT

    Maximum Working Pressure: 10bar ( 145Psi)

    Maximum Temperature: 110°C ( 230° F)

    Low noise: 45dB far from 1m distance

    Weight less than 2lbs.


    DC brushless motor with energy efficiency technology

    Voltage: 6V- 24V DC ( main: 17V DC)

    5W, 10W, 15W, 25W power consumption optional

    Dry- running protection

    Overload Protection

    Over voltage Protection

    Wetted Parts Materials:

    Pump Head Pump Chamber “O” Ring Impeller Shaft Bearing Washer

    Silicon Rubber PPE Fine Ceramic Graphite Fine Ceramic

    Remarks: All wetted materials is food grade, temperature resistance above 110 °C

    Company Contact:

    • Phone: 073182739255

    • Address: No.188 Huanbao Road, Huanbao Industrial Zone, Chan, Changsha , China

    • Email: Email

    Published date: May 2, 2016 -

    • Business Description: TOPS Industry & Technology Co.,Ltd.

      Founded in 2001, TOPS Micro Pump Technology Company is the leading and biggest manufacturer specializing in various DC micro pump and fluid comprehensive solution in China.

      Our products includes micro DC brushless centrifugal pump, solar DC pump, micro diaphragm air pressure pump & vacuum pump, micro gear pump, which are widely used in household appliances, food and beverage industrial, automotive and mobile, alternate energy, medical, laboratory and testing, environmental and water treatment, printing & packaging, commercial and industrial, computer and communications industrial and other fields.

      TOPSFLO involves a integrated QA system and have very complete and sophisticated production and testing equipment to ensure quality products, quality is controlled by our 20 QC technicians, each of our products has to go through a series of liability tests from the raw material to the final products. The highest requirement in raw material procurement, manufacturing precision and strictest test regulation, which assured the superior quality of our products as well as the unanimous trust from our clients all over the world.

      Our R&D team has more than 10 engineers and 12 years professional experience. They are quite accomplished in the field of electromagnetic, hydromechanics, and modern materials, they pay attention to the newest technology in the world and introduce it to our production, they have great research and development capability, design and develop several hundreds advanced micro DC pumps in TOPSFLO, the same time also according to customer requirements to design and develop new products, they are also ready to work on your customized specifications.

      Our sale engineers team have 10 years overseas experience in customer service, especially like OEM and ODM, and successful service for several Fortune 500 companies, can provide immediate and rapid solution and satisfactory answer to the clients.

      We have obtained the ISO9001 certification, and our products comply with the EU RoHS Directive and REACH regulations.

      Now, most of our products are exported to more than 60 countries and region such as: Sweden, Germany, UK, France, Italy, Holland, Poland, Australia, New Zealand, USA etc.

      Today, TOSFLO have 10 production lines and 200 skilled workers, our monthly production capacity is 200,000 pcs brushless DC pumps, 80,000 pcs diaphragm pumps and 50,000 gear pumps. Your volume orders are welcomed.

      With excellent products and world class service, TOPSFLO has established long-term cooperation relationship with many famous global enterprises, and achieved the good reputation in micro DC pumps industry.

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