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auxiliary pump glycol circulation water pump for electric vehicle


auxiliary pump glycol circulation water pump for electric vehicle

Brand Name : OWO

Model Number : OWP-BL93-300

Place of Origin : China

MOQ : 1 set

Price : Negotiable

Rated Voltage : 12V/24VDC

Max flow : 2800L/H

Max Head : 11.5M

Rated FLow rate : 1800L/M,H=9M

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Auxiliary pump glycol circulation water pump for electric vehicle ,12V/24VDC bldc water pump

Boosting/circulation/Variable-frequency/Low-noise/shield pump/PWM control/ Fault feedback

OWP-BL93-300 100W BLDC Water Pump With PWM Control And Error Diagnostics colant pump,glycol pump,bldc water pump

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

■ Features
◆Magnetic force transmission (shield pump structure)Centrifugal pump
◆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
◆Dry running protection
◆Over Voltage, over current protection
◆Overload, over temperature protection

■ Technical description (related parts in contact with the liquid)
Pump head housing: PPS+GF
Impeller: PPS+GF
Shield cavity: PPS+GF
Shaft sleeve: Carbon resin composite materials
Shaft: stainless steel shaft
Magnet housing: nylon plastic capsulation
Seal ring: EPDM

■ Driving device (Including motor)
Driving electromagnet: nylon 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 impregnation treatment

Bracket: Steel with powder coating
Bracket hoop: US 304 stainless steel+ Damping rubber ring
Waterproof based on IP68 rating (en60529)
Connector model: AMP282106-1(matched Plug AMP282088-1)
Nozzle diameter:22.4mm (inner diameter:16mm)

Model Specifications
OWP-BL93-300-24A (24VDC)

Mounting instruction
OWP-BL93-300 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 30 seconds (after 30 seconds 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 .

Temperature parameter
Medium liquid temperature: -40℃ to +85℃ (-40°F to + 185°F)
Working ambient temperature: -40℃ to +85℃ (-40°F to +185°F) Humidity ≤90%
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 12V water pump, workable range 9V - 16V
Rated 24V water pump, workable range 18V - 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)

Electrical parameter

Working Voltage


Rated power


Rated flow








100WQ=1800L/H H=9M148*90*1321.12KG

Connector model and the corresponding electrical properties (see figure 3):

AMP282106-11 (Black)2 (Yellow)3 (Blue)4 (Black)

(matched Plug

GNDFault feedbackPWM+12V/24V

PWM character

Duty CycleDescription

1:PWM duty cycle metrical error 2%
2:PWM voltage:24VDC/12VDC(same as pump voltage)
3: Recommended PWM stop duty:10%
4: Recommended 0% duty as PWM disconnect

0%≤duty≤10%Stop state
11%≤duty≤55%Min speed running

PWM mode
(Linear speed control range)

91%≤duty≤100%Max speed running

1. Working ambient temperature:-40℃--85℃, 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.
4. Please use the pump far from the dusty environment, the dust is harmful to reduce the service life
5. Pay attention to the purity of the water, avoid to jam and impeller-blocked to reduce the service life of pump
Performance parameter

  • External dimension

Product Description
R & D and inspection chart
Company Profile
Changzhou OWO international trading Co.,Ltd was established by three manufacturers in 2017, our main products:DC motor drivers and controllers,brushless DC water pumps,industrial electrical products and automotive parts & accessories.
60% of our products are produced by our Production-oriented founders,our products are stable and reliable performance with powerful technical support, so we can offer comprehensive product solutions to our clients with competitive development ability.we are specialized and experienced inindustrial electrical products, we have our own superb core technology and mature product line,even we have our own OEM controlling microchip. as most of OWO products are directly come from the manufacturers (our founders),our products are more competitive pricing,more powerful developing ability,faster response and professional service.
Factory photos

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