Man 24V DEF Urea Pump 292216772 81154036134 81154036134000 Doser Pump

Man 24V urea pump 292216772 81154036134 81154036134000 urea dosing pump

Main parameters:

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Working principle of urea pump:

1. Standby phase: after the vehicle is powered on and the engine starts, ECU or DCU reads the ambient temperature sensor value and urea temperature value through the liquid level temperature sensor.

If the urea temperature is less than -5 degrees, the urea pump will not work, then THE ECU or DCU will first open the water solenoid valve, let the engine cooling water into the urea tank to heat the urea solution and the urea pump.

2. Pre-injection stage: the motor rotates to establish the pressure of urea solution.

Open the nozzle several times to drain the gas.

Pressure reaches 8-9 bar.

The preinjection time is generally 30s-1min.

Flow direction of urea solution: urea tank → suction tube → motor → filter element → spray tube → nozzle

Urea tank → suction pipe → motor → filter element → liquid return pipe → urea tank

3. Empty the flow: ECU opens the reversing valve (24V power supply), the reversing valve pulls in, drives the control diaphragm in the pump, and drives the loop to the state of suction. The nozzle is in a constant power supply state, the motor in the pump continues to rotate forward, and the command of suction is executed to suction the urea solution back to the urea tank from the urea nozzle.

Company introduction:

Shiyan Xinyida Technology Co., Ltd. is located at the foot of Wudang Mountain and the car city Shiyan by the bank of Han River. Shiyan is a famous Taoist holy land and the source of south-north Water Diversion. It is the only auto parts industry base in China.China's first "Dongfeng commercial vehicle Company, the country's largest commercial vehicle manufacturing base, the country's largest commercial vehicle parts trading center.Shiyan Xinyida is a professional research and development, production and sales of nitrogen and oxygen sensor enterprises, the company is committed to integrating more comprehensive auto parts resources, build an open and win-win sales system, continue to improve service quality and customer satisfaction.

Business involves Dongfeng Cummins, Foton Cummins, Xi 'an Cummins, Chongqing Cummins, Guangxi Cummins, Dongfeng commercial vehicle engine, Foton Auman.Service vehicles and machinery including dongfeng tianlong, dongfeng days kam, dongfeng hercules, fukuda heavy card, shan steam calderon, zhengzhou yutong, Hitachi, komatsu, modern, xugong, dragon, Ingersoll rand, terex, liebherr, liugong, zoomlion, sany heavy industry, Mr Fukuda thunder walter, carter, perkins, , Renault, the horse, hall,Scania, Benz, Deutz, Isuzu, Hino, Paca, Duff, Detroit, Man, BMW, Ford, Chrysler, Land Rover, Volkswagen, Toyota, etc.

The company has established a good strategic partnership with many excellent parts production and sales enterprises in China. Our products are sold all over the country and even the world, and our marketing network is all over the country. Our high-quality products and perfect service system have won the trust and support of customers.We are willing to cooperate sincerely with domestic and international auto parts elites to seek common development and win-win future!