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| Place of Origin: | China |
| Brand Name: | junqi |
| Certification: | IS9001, TS16949,CE |
| Model Number: | DKB80 |
| Minimum Order Quantity: | 5 sets |
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| Price: | Negotialbe |
| Packaging Details: | suitable for export |
| Delivery Time: | base on order, |
| Payment Terms: | T/T, Western Union, Paypal |
| Supply Ability: | 1000set/month |
| Model: | DKB80 Seris | Material: | Aluminium Alloy |
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| Voltage: | 24VDC /12VDC | Power: | 80W |
| Rated Flow Rate: | 1800L/H | Max Head: | 10M |
| Application: | Hybrid Bus, Electric Vehicles | Theory: | Centrifugal Pump |
| Usage: | Coolant | ||
| High Light: | 80W Automotive Brushless DC Water Pump,Automotive Brushless DC Water Pump 24V,Automotive Cooling Cycle Brushless DC Pump |
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♣ Features
♦ Single stage 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 (optional PG signal feedback )
♦ With constant flow controlling
♦ Reverse polarity protection
♦ Dry running protection
♦ Over Voltage, over current protection
♦ Overload, over temperature protection
♦ Automobile grade electronic components
♣ Technical description (parts in contact with the liquid)
Pump head housing: PPS+GF
Impeller: PPS+GF
Shield cavity: PPS+GF
Shaft bearing: Carbon resin composite materials+ zirconia ceramic washer
Shaft: hollow stainless steel shaft
Rotor: nylon injection packed
Seal ring: EPDM
♣ Driving device (Including motor)
Driving electromagnet: magnet+nylon injection packed
Screws and nuts: SUS 304 stainless steel
Driving Motor : brushless motor
Motor wire frame: PPA+GF (white)
Pump housing: aluminum alloy
Bracket: SUS 304 stainless steel
Bracket hoop: US 304 stainless steel+ Damping rubber ring
Waterproof based on IP67 rating (en60529)
Connector:3 Pins or 4Pins (with PG signal feedback)
Nozzle diameter:22.6mm (inner diameter:16mm)
♣ Model Specifications
DKB80-12A(SR/PG)
DKB80-24A(SR/PG)
With mounting bracket model suffix : SR (e.g:DKB80-12ASR)
With PG signal feedback pin model suffix:PG (e.g:DKB80-12APG)
♣ Mounting instruction
DKB80 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: Do not use the seawater or other heavy pollution with big grain impurity liquid as the liquid medium .
♣ Temperature parameter
Medium liquid temperature: -40℃ to +120℃ (-40°F to + 248°F)
Working ambient temperature: -40℃ to +100℃ (-40°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.
♣ Electrical parameter
| Working Voltage (VDC) | Rated Power (W) | Max Flow (L/H) | Max head (M) | Weight (g) |
| 9V-16V(12V) | 80W | 1800L/H | 10M | 750g |
| 18V-30V(24V) | 80W | 1800L/H | 10M | 750g |
♣ Connector model and Pins
| 3 PIN connector | Pin 1 | Pin 2 | Pin 3 | ||
| 174357-2 | +12V/+24VDC | PWM | GND | ||
| 4 PIN connector | B+ (4) | SWP(3) | NWP(2) | GND(1) | |
| Matched connector model | 7283-7449-30 | +12V/+24VDC | PWM | Signal feedback | GND |
♣ Recommend wire size (based on 3% voltage drop)
| Wire thickness | Max wire length | |
| 12V | 24V | |
| 1.5 mm² | --- | 16m |
| 2.5 mm² | 6.3m | 25m |
| 3 mm² | 8m | 31m |
| 4 mm² | 10m | 40m |
♣ 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. In order to reduce water resistance, should as much as possible to reduce the number elbow in piping in the installation, ensure no any elbow within 20 cm from 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.
♣ Curve chart
♣Overall dimensions
♣ Pump structure
♣Applications:
Apply to HEV(Hybrid Electrical Vehicle),EV(Electric Vehicles), trains, ships and other heating circulation and cooling circulation system.
Contact Person: Ivanzhu
Tel: 0086-13961407941
