Product Specification

OWP-BL43-300 Series High Flow 24V 250W Automotive Brushless Water Pump Low Noise For BEV Bus PHEV

Widely used in hybrid bus, hybrid passenger car, electric vehicles, trains, ships and other heating and cooling circulation system

OWP-BL43-300 automotive water pump. With its 24V DC power supply, this automotive water pump offers a suitable voltage level for automotive applications, ensuring compatibility with standard electrical systems.It features a high capacity 6000L/H and it is designed to effectively circulate coolant throughout the engine, effectively dissipating heat and preventing potential overheating issues.

■Features

• Centrifugal pump

• Magnetic force transmission

• High efficiency brushless DC motor, low power consumption, high efficiency, long service life.

• With wide range operating temperature

• PWM signal speed controlling(optional)

• Diagnostic signal output(optional)

• With constant flow controlling

• Reverse polarity protection

• Dry running protection

• Over Voltage, over current protection

• Overload, over temperature protection

■Technical description (related parts in contact with the liquid)

Pump head housing: Aluminum alloy
Impeller: PPS+GF Shield cavity: PPS+GF
Shaft sleeve: carborundum composite materials
Shaft: stainless steel(3CR14) shaft
Magnet housing: PPS plastic capsulation
Seal ring: EPDM
 

■Driving device (Including motor)

 
Driving rotor: PPS plastic capsulated magnet
Screws and nuts: SUS 304 stainless steel
Driving Motor : brushless motor
Motor wire frame :PPA GF
Pump housing: Die-casting aluminum case with sandblasting and anodizing +PE powder coating..
 
Bracket: Steel base
Bracket hoop: US 304 stainless steel
Waterproof based on IP68 rating (en60529)
Connector model: AMP282104-1 (matched Plug AMP282080-1)
Nozzle diameter:40mm (1.5 inch)
 

■ Mounting instruction

 
OWP-BL43-300 series pumps are centrifugal pumps which require pre-filled,
The pump installed in the lowest position of the system to ensure that the impeller is always immersed in the liquid, or pre-filled the pump before power on .
 
1: Pump should not be dry-running, even though it can dry-running for 15 minutes (after 15 minutes dry-running, it will automatically stop), Dry running will makes noise, also increasing abrasion to the shaft and shaft sleeve.
 
2:Use the recommended diameter pipe connecting the pump inlet, if you use a smaller diameter hose pump inlet, Due to the negative pressure in the pump, the outside air easier enter to the pump through the pipeline, it will make the pump performance degradation, and also the air bubbles make damage to the pump.
 
3: As viewed from the pump inlet direction, the impeller rotates clockwise (see the arrow on the outlet port).
 
4: The pump can be installed vertically or horizontally mounted (see figure 1 ) When installed vertically, the outlet port should be upward .
 
5:In order to avoid the dry- running (air get stuck in impeller),the water pump outlet port should be vertical or in the upper of the impeller. (see figure 1 )
 
6: The connected pipe should be vertically mounted (or no elbow in 20cm )to make the air discharged easily, the outlet pipe should not be used less than 90 degrees elbow (see figure 2).
 
7: Can't use the seawater or other heavy pollution with big grain impurity liquid as the liquid medium .

 figure 1                           figure 2

■Electrical parameter

 
Connector model and the corresponding electrical properties (as shown below):

■Performance curve

■ Attentions

 
1.Working ambient temperature:-40℃--120℃, should try to avoid close to three-element catalytic, gas discharge pipe system and       engine during the installation, ensure the working environment temperature.
2.The installation position of the water pump should as much as possible close to the low water level , to extend the service life of the   pump.
 
3.Please use the pump far from the dusty environment, the dust is harmful to reduce the service life
4.Pay attention to the purity of the water, avoid to jam and impeller-blocked to reduce the service life of pump
 

■  External dimensions

■  Application

Boosting/circulation/Variable-frequency/Low-noise/centrifugal pump
 

Cooling system of  engineer vehicle

Glycol Circulation