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| Cordierite Diesel Particulate Filters (Cordierite DPF) Cordierite Diesel Particulate Filters (Cordierite DPF) is a common exhaust purification component for diesel vehicles, with cordierite (a magnesium aluminosilicate mineral) as the core material. The main function is to filter soot particles (PM) in exhaust gas, helping vehicles meet emission regulations. Its material has a low coefficient of thermal expansion, good thermal shock resistance, can adapt to temperature fluctuations in the exhaust system, and has a relatively low cost. The processing technology is mature. During operation, it intercepts particles through a porous cordierite structure. When a certain amount is accumulated, The particles are also burned and removed through active or passive regeneration methods, converting them into carbon dioxide. At present, cordierite DPF is widely used in fields with relatively low loads such as light diesel vehicles and has an advantage in cost-sensitive markets. However, compared with silicon carbide (SiC) DPF, cordierite DPF is slightly inferior in high-temperature durability and high-load adaptability. But with cost and processing advantages, it remains an important choice for diesel vehicle emission control. |
Silicon Carbide Diesel Particulate Filters Silicon Carbide Diesel Particulate Filters (SiC DPF) are key environmental protection components installed in the exhaust system of diesel engines, mainly used to capture and remove diesel particles (PM, such as soot) in the exhaust gas. To meet strict emission regulations (such as Euro VI, National VI, etc.), it is made of silicon carbide (SiC), featuring high-temperature resistance, corrosion resistance, and high mechanical strength. It can withstand the high temperature of diesel engine exhaust and the frequent regeneration (combustion particle) process. During operation, it intercepts particles through a porous silicon carbide structure. When particles accumulate to a certain extent, Regeneration is triggered by active (such as fuel injection heating) or passive (exhaust waste heat) methods to burn particles into harmless carbon dioxide. It has been widely used in diesel vehicles, trucks, construction machinery, etc., and is one of the core technologies for reducing particulate matter emissions from diesel vehicles.
Compared with other materials (such as cordierite), SiC DPF is more suitable for high-load and high-emission diesel power systems and performs better in terms of durability and regeneration efficiency.
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| Honeycomb Metallic substrate (catalyst) metallic catalyst substrates are made of thin metal foils, flat and corrugated, formed into a honeycomb structure which is placed inside a metal shell, the advantages of metal substrates are their high geometric surface area and low pressure drop associated with the thin walls. The foils in metallic substrates can be brazed/welded together to provide good mechanical durability and resistance to thermal shock. The major disadvantage of high quality metallic substrates is their high cost. |
DPF (Diesel Particulate Filter)
DPF (Diesel Particulate Filter) is an exhaust aftertreatment device that traps particulate matter such as soot and ash. A DPF typically uses a substrate made of a ceramic material that is formed into a honeycomb structure.
A DPF has been a requirement of all new diesels since 2009 when the 'Euro 5' emissions standard came into force.
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Specification
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Diameter (mm)
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Length (mm)
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Cell Density (CPSI)
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Emission Standard
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Ø80*60
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80
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60
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200/300/400/600/750
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Euro 4/5/6
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Ø93*60
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93
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60
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200/300/400/600/750
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Euro 4/5/6
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Ø93*75
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93
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75
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200/300/400/600/750
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Euro 4/5/6
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Ø93*88.3
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93
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88.3
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200/300/400/600/750
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Euro 4/5/6
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Ø93×101.6
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93
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101.6
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200/300/400/600/750
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Euro 4/5/6
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Ø101.6*60
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101.6
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60
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200/300/400/600/750
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Euro 4/5/6
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Ø101.6*76.2
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101.6
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76.2
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200/300/400/600/750
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Euro 4/5/6
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Ø101.6*90
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101.6
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90
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200/300/400/600/750
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Euro 4/5/6
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Ø101.6*100
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101.6
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100
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200/300/400/600/750
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Euro 4/5/6
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Ø101.6*118
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101.6
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118
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200/300/400/600/750
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Euro 4/5/6
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Ø101.6*123.3
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101.6
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123.3
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200/300/400/600/750
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Euro 4/5/6
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Ø101.6*136
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101.6
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136
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200/300/400/600/750
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Euro 4/5/6
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Ø101.6*152.4
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101.6
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152.4
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200/300/400/600/750
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Euro 4/5/6
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Remark:
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Other sizes can be customized according to customer requirements.
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| Shape | Size(mm) | Size(inch) | Volume (L) |
| Round | Φ144*152.4 | Dia.5.66*6 | 2.48 |
| Φ144*203 | Dia.5.66*8 | 3.30 | |
| Φ144*254 | Dia.5.66*10 | 4.14 | |
| Φ144*305 | Dia.5.66*12 | 4.96 | |
| Φ170*254 | Dia.6.69*10 | 5.76 | |
| Φ190*152.4 | Dia.7.5*6 | 4.32 | |
| Φ190*203 | Dia.7.5*8 | 5.75 | |
| Φ190*254 | Dia.7.5*10 | 7.20 | |
| Φ228*152.4 | Dia.9*6 | 6.22 | |
| Φ228*254 | Dia.9*10 | 10.37 | |
| Φ228*305 | Dia.9*12 | 12.45 | |
| Φ240*240 | Dia.9.5*9.5 | 10.85 | |
| Φ240*254 | Dia.9.5*10 | 11.48 | |
| Φ240*305 | Dia.9.5*12 | 13.79 | |
| Φ267*305 | Dia.10.5*12 | 17.07 | |
| Φ286*152.4 | Dia.11.26*6 | 9.79 | |
| Φ286*305 | Dia.11.26*12 | 19.58 | |
| Oval | 191.8*95.8*152.4 | 7.55*3.77*6 | 2.24 |
| Race track | 145*118.4*152.4 | 5.7*4.66*6 | 2.15 |
| We can be customized according to customer requirements | |||
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As an environmental protection technology enterprise, we always adhere to the concept of technological innovation,
quality-oriented development, to provide customers with quality products and services. We hope that through our efforts, we can contribute to the cause of environmental protection and make our earth more beautiful.
Our testing equipment:
DPF stands for Diesel Particulate Filter. Such DPF filters are devices that reduce toxic emissions (air pollution) from diesel exhaust. Specifically, these filters prevent solid particles that are harmful to breathe (i.e. soot), which are created by burning fuel, from leaving the truck and getting into the air. They also keep an engine more fuel-efficient by recycling the soot that gets caught and re-using it for fuel again.
DPF filters are positioned within the exhaust system. The filter rests ahead of the NOx trap (also called the NOx storage catalytic converter) and exhaust pipe itself, but after the temperature sensor. Essentially, the DPF filter is the part of the exhaust system that's closest to the engine.
Diesel engines are internal combustion engines. The cylinders in the engine compress air with such force that the air becomes a dense gas- dense enough that it becomes superheated, igniting the diesel fuel. This creates a kind of "controlled explosion," one in which most of the heat energy is changed into kinetic energy by the internal mechanisms of the engine (the physical motion of the piston and crankshaft), turning the wheels and powering the truck.
A DPF system refers to the entire system of parts, including the DPF filter itself that filters solid particles from the exhaust and uses them to power the truck. This power is added to the power that comes from the initial diesel fuel burn.
Sometimes a DPF filter cannot be saved by cleaning; the ash buildup, overuse, or an accident of some kind has damaged it beyond repair. If someone attempts to clean a DPF filter but the orange warning light remains on, or if a mechanic advises a driver that the filter is damaged, it's time to replace it.
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