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Diesel Particulate Filter(DPF)

Diesel Particulate Filters are used in trap systems that remove particulate matter (soot) from diesel exhaust emissions. These filters have a cellular structure with individual channels open and pligged at opposite ends. Exhaust gases enter the open end, flow through the pores of the cell walls, and exit the filter through the adjacent channel. Sool particles are too large to flow through the pores, and they collect on the channel walls. Periodically the filter is regenerated (heated) to consume the soot and clean the filter.

 

Outside Dimension

Item

Index

Wall Thickness

100CPSI

0.46±0.04 mm

200CPSI

0.36±0.04 mm

Outside Dimension

Outside Diameter:≤120mm

±1.0mm

≥120mm

±1%

Height:≤150mm

±1.0mm

≥150mm

±1%

Hole Density

(Hole number per square inch)

100CPSI

100±10

200CPSI

200±10

Plug Integrity

100% Perfect

 

Physical and Chemical Properties

Item

Unit

Index

Chemical Composition

Al2O3

%

35.4±1.5

SiO2

%

50.9±1.5

MgO

%

13.5±1.5

Room Temperature Compressive Strength

Mpa

≥10.0

Porosity

%

≥50

Maximum Use Temperature

°C

1400

Thermal Expansion Coefficient800°C

10-6/°C

≤1.5

The Average of Pore Diameter

um

10-15

 
 
 
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