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Urea post-treatment accessories series
- 技术参数
- 参考OE
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Urea post-treatment accessories are a key component of the SCR (Selective Catalytic Reduction) exhaust treatment system for diesel vehicles, aimed at reducing nitrogen oxide (NOx) emissions and meeting environmental regulations.
Core component composition
Urea tank: stores a mixture of 32.5% urea solution and 67.5% deionized water, made of corrosion-resistant polyethylene material, equipped with liquid level and temperature sensors, and reserved with a 10% expansion volume to cope with low-temperature icing expansion.
Urea pump: Integrated metering pump, compressed air solenoid valve, heater and controller, connected to the tank through urea pipeline, to achieve precise solution injection and fault self diagnosis.
Nozzle: It adopts an electrically controlled solenoid valve structure to atomize urea solution and spray it into the exhaust pipe. It needs to be connected to the engine cooling water pipeline to prevent high temperature damage.
Catalytic converter (SCR box): Equipped with a catalyst carrier, it reacts the ammonia produced by urea decomposition with NOx at temperatures above 200 ℃ to generate nitrogen and water.
Sensor components: including liquid level sensor, temperature sensor, and NOx sensor, real-time monitoring of urea solution status and exhaust gas composition, providing data support for the control system.
Pipeline system: composed of inlet pipe, return pipe, pressure pipe, and cooling water pipe, connected by dedicated hoses to ensure solution circulation and equipment temperature control.
Control Unit (DCU): communicates with the engine ECU through the CAN bus, calculates the urea injection amount based on operating parameters, and achieves closed-loop control and OBD fault diagnosis.
Product Details
Urea post-treatment accessories are a key component of the SCR (Selective Catalytic Reduction) exhaust treatment system for diesel vehicles, aimed at reducing nitrogen oxide (NOx) emissions and meeting environmental regulations.
Core component composition
Urea tank: stores a mixture of 32.5% urea solution and 67.5% deionized water, made of corrosion-resistant polyethylene material, equipped with liquid level and temperature sensors, and reserved with a 10% expansion volume to cope with low-temperature icing expansion.
Urea pump: Integrated metering pump, compressed air solenoid valve, heater and controller, connected to the tank through urea pipeline, to achieve precise solution injection and fault self diagnosis.
Nozzle: It adopts an electrically controlled solenoid valve structure to atomize urea solution and spray it into the exhaust pipe. It needs to be connected to the engine cooling water pipeline to prevent high temperature damage.
Catalytic converter (SCR box): Equipped with a catalyst carrier, it reacts the ammonia produced by urea decomposition with NOx at temperatures above 200 ℃ to generate nitrogen and water.
Sensor components: including liquid level sensor, temperature sensor, and NOx sensor, real-time monitoring of urea solution status and exhaust gas composition, providing data support for the control system.
Pipeline system: composed of inlet pipe, return pipe, pressure pipe, and cooling water pipe, connected by dedicated hoses to ensure solution circulation and equipment temperature control.
Control Unit (DCU): communicates with the engine ECU through the CAN bus, calculates the urea injection amount based on operating parameters, and achieves closed-loop control and OBD fault diagnosis.
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With 20 years of experience as an OEM supplier, we meet the demands of high-quality and high-tech customization.
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FAQ
Q
Can you accept small quantities?
A
Yes, accept small quantity, fast delivery
Q
Do you have pre-shipment inspection procedures?
A
Yes, we always test the products before delivery.
Q
Can I take samples for testing?
A
Yes, samples can be sent for testing before bulk ordering.
Q
When is the delivery time?
A
Inventory orders within 7-15 days, for oem and odm orders, the specific time depends on the actual situation.
Q
What are the terms of payment?
A
Wire transfer or letter of credit, Western Union, Alipay, etc.
Q
What is the minimum order quantity?
A
It depends on the product.
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