Bextreme Shell


Bextreme Shell 24V BLDC Water Pump For HVAC Systems

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Item specifics

Brand :
Bextreme Shell



Product Details:

The DKB-60TSA BLDC Water Pump is a high-quality and efficient water pump designed for various pumping applications. With its durable construction and advanced features, it offers reliable performance and versatility. Here are the detailed specifications of the product:

Input Voltage: 24V DC - The pump operates on a 24V DC power supply, making it suitable for a wide range of applications.

Power Rating: 55W - The water pump consumes 55 watts of power, providing sufficient pumping power for various water transfer tasks.

Capacity: 22L/min - The pump has a maximum water flow rate of 22 liters per minute, allowing for efficient and fast water circulation.

Head: 11m - With a maximum head of 11 meters, the pump can lift water to a considerable height, making it suitable for various water transfer and irrigation systems.

Noise Level: Less than 40dB - The pump operates quietly with a noise level of less than 40 decibels, ensuring a peaceful environment during operation.

Nozzle Diameter: 20.5mm - The pump is equipped with a 20.5mm diameter nozzle, allowing for easy connection to various water pipes and fittings.


a. Dry Running Protection - The pump is equipped with a dry running protection feature, which automatically shuts off the pump if it operates without water. This protects the motor from damage and improves its lifespan.

b. PWM Speed Regulation - The pump supports Pulse Width Modulation (PWM) speed regulation, allowing for precise control of the water flow and pressure according to the specific requirements of the application.

■ Features

◆Centrifugal pump

◆Magnetic force transmission (shield pump structure)

◆High efficiency brushless DC motor, low power consumption, high efficiency,

long service life.

◆With wide range operating temperature

◆PWM signal speed controlling

◆With constant flow controlling

◆Reverse polarity protection (optional)

◆Dry running protection (optional)

◆Over Voltage, over current protection

◆Overload, over temperature protection

■ Applications

1:Solar heating water circulation

2:Water Purification Equipments

3:Drinking water machines

4:Automatic water dispenser

5:Water cooling equipment

6:Engine cooling

7:Heating equipment cooling

8:Cooling Towers

9:Irrigation Landscape

10: Pipeline boosting

■ Technical description (parts in contact with the liquid)

Pump head housing: PK+GF

Impeller: PPE+GF

Shield cavity: PK+GF

Shaft sleeve: Carbon resin composite materials/ ceramic sleeve

Shaft: ceramics axis/stainless steel shaft

Seal ring: EPDM

■ Driving device (Including motor)

Driving electromagnet: Plastic magnetic molding

Screws and nuts: SUS 304 stainless steel

Driving Motor : brushless motor

Motor wire frame: PPA+GF (black)

Pump housing: PPS+GF(UV resistance)

Bracket: SUS 304 stainless steel

Bracket hoop: US 304 stainless steel+ Damping rubber ring

Waterproof based on IP65 rating (en60529)

Wiring:3 leads / Waterproof connector is optional

Nozzle diameter:20.5mm (inner diameter:14.5mm)

■ Model Specifications

DKB60TSA-24G 24 V

■ Electrical parameter


No. category specification

1 Rated voltage 24V

2 Workable voltage 16V-30V

3 Rated power 5-55W

3 Flow range 0-22L/minuts

4 Range of lift 0-11M

5 Noise ≤40dB

6 Service life 20000H

7 Operating mode continuous working

8 Diameter of inlet 20.5mm( inside diameter:14.5mm)

9 Diameter of outlet 20.5mm( inside diameter:14.5mm)

■ Temperature parameter

Medium liquid temperature: -25℃ to +105℃ (-13°F to + 221°F)

Working ambient temperature: -10℃ to +100℃ (14°F to +212°F)

Storage temperature: -40℃ to +70℃ (-40°F to +158°F)

(up to 100 ℃, but it will shorten the service life)

■ System pressure

-0.2 to 2.5 bar ( 100℃ (212°F).

The service life is more than 20,000 hours based on the rated voltage

and 36℃(86°F) ambient temperature.

■ Voltage range

Rated 24V water pump, workable range 16V - 30V

Although the motor can be used in a wide range of voltage and

temperature, but excessive or too low voltage and temperature will affect

the service life of the motor, the pump can not be exposed to thermal

radiation ambient.

Medium liquid: pure water, liquid mixture (Water with below 60% glycol)

■ Description of Wiring

Standard length of the wire: 10 CM (DO NOT DRAG THE WIRE)

■ Description of PWM

Two ways for speed regulation

1: 0-5V analog voltage

2:PWM duty cycle ratio 0%-100% (chart below)

input PWM frequency (3K-10K Hz)

All datas are customizable for customer

■Customization service:

1:The pump parts customizable according to customer specific requirements

2:Pumps’ performance parameters customizable according to customer's requirements

3:Optional accessories of the pump customizable according to customer's requirements

4:Special circuit program customizable according to customer requirements

5:The outer housing can be customizable according to customer's requirements

■Curve chart

■ Water pump structure

Download datasheet of DKB60 TSA water pump.

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