1997433 1997433R 2137442 2137442R 5296897 6625692 Soot/particulate filter OE number by DAF

How DPF Works

In light-duty vehicles, a Diesel Particulate Filter (DPF) functions similarly to its heavy-duty counterparts but is designed for smaller engine configurations. As diesel engines operate, they produce exhaust gases containing particulate matter. The DPF is strategically placed within the exhaust system to trap these particles, which can otherwise lead to air pollution and health hazards.

The DPF captures these particulates in its filtering medium, which is made from durable materials that can withstand the high temperatures typical in diesel exhaust. When the filter becomes full, a regeneration process is initiated. This can occur naturally, such as during highway driving, or through a forced process where the engine management system injects extra fuel into the exhaust stream. This extra fuel raises the temperature, allowing the filter to burn off the trapped soot and maintain optimal functionality.

What is a Diesel Particulate Filter?

A Diesel Particulate Filter (DPF) is a crucial emission control device found in diesel vehicles. It plays a vital role in reducing the environmental impact of diesel engines by capturing harmful particulate matter and preventing it from entering the atmosphere. In recent years, the need for cleaner emissions has led to the widespread adoption of DPFs in both light-duty and heavy-duty diesel vehicles.

DPFs operate on a simple yet effective principle: they collect soot and particulates in a specialized filter. Over time, this accumulation can lead to blockages, which is why regeneration is critical. There are two types of regeneration: passive and active. Passive regeneration occurs when the vehicle is running at high speeds, while active regeneration is controlled by the engine's electronic management system. The efficiency and reliability of modern DPFs make them an essential component for vehicles aiming to meet stringent emission standards and ensure a cleaner environment for all.

Product Advantages

1.Excellent thermal shock resistance. 

2.Unique cellular designs make metal liquid reducing the vortex and raducing the bubbles in the casing; 

3.Accurate extrusion die make product quality extremely stable and consistency;

4.Obvious filter effect; 

5.Improving the casting surface performance and improving the density of the casting;

6.Improving metal structure and quality prolong the working life of the casting; 

7.Good chemical stability,not affected by of melted metal,no change in its chemical compound;

8.Precise dimension and can be used in pruduction line automatic filter mounting

Product Specification

The Catalytic Converter applies to the following

Application Project 1

OEM Factory for commercial vehicle only
• Euro 4,5 catalyst,product like V-SCR,ASC
• Euro 6 catalyst,including DOC,Cu-SCR/Fe-SCR,CDPF,ASC
• Non road T4 catalyst,including DOC,Cu-SCR/Fe-SCR,CDPF,ASC

Production Equipment 2

Road vehicles
• Euro III vehicles are equipped with exhaust gas purification devices,products are DOC,CDPF,some is V-SCR,Cu-SCR
• Euro 4/5 aftermarket,products are V-SCR,TWC
• Our overseas trading partner in Japan, Europe,etc, products are mainly CDPF

Production Equipment 3

Non road vehicles
• Catalytic converter for Non road vehicles, products are DOC,CDPF,some is V-SCR,Cu-SCR
• Engineering
• Farm vehicles

Production Equipment 4

Industrial waste gas treatment
. Industrial denitration catalyst
.Industrial VOCs catalyst
. Customized products according to customer needs

Application project 5

Industrial Denitrification Products
• Industrial denitrification device,products are V-SCR,Cu-SCR
• Waste incineration plant
• Stationary Source, Power Plant
• Boiler denitrification

Application project 6

Industry exhaust VOCs
• Pharmaceutical factory H2O2 treatment, Mn catalyst
• Waste gas (benzene) treatment in chemical plants,DOC
• Petrochemical water treatment catalyst