Diesel Particulate Filter (DPF) , also called wall flow filter,is suitable for exhaust gas purification of various kinds of diesel vehicles and ships. We can produce different materials of DPF: cordierite particulate filter and silicon carbide diesel particulate filter .We also supply Catalytic Converter, Catalytic muffler, Motorcycle catalytic converter, DOC Catalyst, SCR catalyst ,Ceramic honeycomb monolith , Metal honeycomb carrier, ect. Our management system has been certified the ISO9001 and TS16949 by SGS company.
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Materials: cordierite or silicon carbide
Function:
Wall-flow diesel particulate filters usually remove 95% or more of the soot, and under certain conditions can attain soot removal efficiencies approaching 100%
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Working Principle
By forcing the exhaust gases through the walls between the channels of the DPF,the particulate matter is deposited on the walls ,so reducing the amount of air pollution.
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Silicon Carbide Diesel Particulate Filter
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The second most popular filter material is silicon carbide is a ceramic compound of silicon and carbon , also called SiC. It has a higher melting point (1500ºC) than cordierite.
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SiC cores are usually more expensive than cordierite cores, however they are manufactured in similar sizes, and one can often be used to replace the other.
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Tested to ensure backpressure and performance match OE
Improved thermal stability and efficiency
Backed by a lifetime, unlimited mileage warranty
Stringently tested for durability and OEM functionality
Approved for horizontal, vertical and dual installations
Nationwide technical /installation support
Complies with emissions requirements for 2007 and newer model years
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Parameter of Sic DPF
Item Techinical Index
Sic Content â?¥90%
Cell Density 200 cpsi
Wall Thickness 0.35-0.41mm
Cell Lenght 1.2-1.45mm
Apparent Porosity 42-60%
Median Pore Size 12-20μm
Transverse Compression Strength >2.3Mpa
Coefficient of thermal expansion (40-800ºC) 4.3-4.4 (10-6/ºC)
Thermal Conductivity(500ºC) 14-22(W/mK)
Capture Rate >95%
Bulk Density 0.8 Kg/L
Filter Area 0.75m2/L
Softening Temperature >1500 ºC
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