Epa3 Diesel Oxidation Catalyst Washcoat Doc Scr Automobile Exhaust Petrol Engines
Diesel Engine Catalyst Ceramic/Metal/Wire-mesh After-treatment System
Diesel Engine Catalyst
WFEC's diesel engine catalyst technology controls emissions of hydrocarbons (HC), carbon monoxide (CO) and particulate matter (PM) from diesel vehicles with many benefits:
- Can reduce HC and CO emissions by 50% or more
- Integrated, easy-to-install bolt-on technology
- Easy maintenance; needs no additional parts or sensors
- Fuel sulfur tolerance
Catalyst technologies for diesel engines include:
| No. | Short Name | Full Name |
| 1 | DOC | Diesel Oxidation Catalyst |
| 2 | DPF | Diesel Particulate Filter |
| 3 | SCR | Selective Catalytic Reduction Catalyst |
| 4 | ASC | Amonia Slip Catalyst |
| 5 | SCRF | Selective Catalytic Reduction Filter |
Emissions from diesel engines are of increasing concern to government regulators around the world. Cars, trucks and off-road equipment that run on diesel fuel are the source of harmful hydrocarbons (HC), nitrogen oxides (NOx) and particulate matter (PM) that pollute the air and are linked to respiratory diseases.
WFEC is a leading supplier of cost-efficient, effective diesel-emission-control technologies. WFEC maintains significant diesel research and development facilities around the world. These facilities are being used to develop the technologies needed to meet the extremely low emission levels called for in new emissions regulations.
Specification of DOC (Diesel Oxidation Catalyst):
| Specification of Ceramic DOC |
Cell Density (CPSI) | Emission Standard |
| 101.6*123.3 | 300/400/600 | Euro 4/5/6 |
| 101.6*152.4 | 300/400/600 | Euro 4/5/6 |
| 101.6*50 | 300/400/600 | Euro 4/5/6 |
| 101.6*90 | 300/400/600 | Euro 4/5/6 |
| 110*100 | 300/400/600 | Euro 4/5/6 |
| 110*147.3 | 300/400/600 | Euro 4/5/6 |
| 118*100 | 300/400/600 | Euro 4/5/6 |
| 118*127 | 300/400/600 | Euro 4/5/6 |
| 118*152.4 | 300/400/600 | Euro 4/5/6 |
| 118*60 | 300/400/600 | Euro 4/5/6 |
| 118.4*100 | 300/400/600 | Euro 4/5/6 |
| 118.4*127 | 300/400/600 | Euro 4/5/6 |
| 118.4*138 | 300/400/600 | Euro 4/5/6 |
| 118.4*152.4 | 300/400/600 | Euro 4/5/6 |
| 118.4*60 | 300/400/600 | Euro 4/5/6 |
| 118.4*70 | 300/400/600 | Euro 4/5/6 |
| 130*130 | 300/400/600 | Euro 4/5/6 |
| 130*80 | 300/400/600 | Euro 4/5/6 |
| 132*125 | 300/400/600 | Euro 4/5/6 |
| 143.8*101.6 | 300/400/600 | Euro 4/5/6 |
| 143.8*127 | 300/400/600 | Euro 4/5/6 |
| 143.8*148 | 300/400/600 | Euro 4/5/6 |
| 143.8*152.4 | 300/400/600 | Euro 4/5/6 |
| 143.8*76.2 | 300/400/600 | Euro 4/5/6 |
| 150*100 | 300/400/600 | Euro 4/5/6 |
| 151*115 | 300/400/600 | Euro 4/5/6 |
| 158*110 | 300/400/600 | Euro 4/5/6 |
| 158*90 | 300/400/600 | Euro 4/5/6 |
| 165.1*139.7 | 300/400/600 | Euro 4/5/6 |
| 170*100 | 300/400/600 | Euro 4/5/6 |
| 190*100 | 300/400/600 | Euro 4/5/6 |
| 190.5*100 | 300/400/600 | Euro 4/5/6 |
| 190.5*101.6 | 300/400/600 | Euro 4/5/6 |
| 190.5*152.4 | 300/400/600 | Euro 4/5/6 |
| 197*85 | 300/400/600 | Euro 4/5/6 |
| 240*100 | 300/400/600 | Euro 4/5/6 |
| 266.7*101.6 | 300/400/600 | Euro 4/5/6 |
| 266.7*152.4 | 300/400/600 | Euro 4/5/6 |
| 330.2*152.4 | 300/400/600 | Euro 4/5/6 |
| Remark: | Other sizes can be customized. | |
Specification of DPF (Diesel Particulate Filter):
| Specification | Diameter (mm) | Length (mm) |
Cell Density (CPSI) | Emission Standard |
| Ø133*279 | 133 | 279 | 200/300 | Euro 5, Euro 6 |
| Ø135*180 | 135 | 180 | 200/300 | Euro 5, Euro 6 |
| Ø143.8*152.4 | 143.8 | 152.4 | 200/300 | Euro 5, Euro 6 |
| Ø143.8*177.8 | 143.8 | 177.8 | 200/300 | Euro 5, Euro 6 |
| Ø143.8*200 | 143.8 | 200 | 200/300 | Euro 5, Euro 6 |
| Ø143.8*203.2 | 143.8 | 203.2 | 200/300 | Euro 5, Euro 6 |
| Ø143.8*215.9 | 143.8 | 215.9 | 200/300 | Euro 5, Euro 6 |
| Ø143.8*228.6 | 143.8 | 228.6 | 200/300 | Euro 5, Euro 6 |
| Ø143.8*254 | 143.8 | 254 | 200/300 | Euro 5, Euro 6 |
| Ø144*304.8 | 144 | 304.8 | 200/300 | Euro 5, Euro 6 |
| Ø152.4*304.8 | 152.4 | 304.8 | 200/300 | Euro 5, Euro 6 |
| Ø160*100 | 160 | 100 | 200/300 | Euro 5, Euro 6 |
| Ø165*130 | 165 | 130 | 200/300 | Euro 5, Euro 6 |
| Ø170.2*203.2 | 170.2 | 203.2 | 200/300 | Euro 5, Euro 6 |
| Ø172*152.4 | 172 | 152.4 | 200/300 | Euro 5, Euro 6 |
| Ø190*304.8 | 190 | 304.8 | 200/300 | Euro 5, Euro 6 |
| Ø190.5*100 | 190.5 | 100 | 200/300 | Euro 5, Euro 6 |
| Ø190.5*203 | 190.5 | 203 | 200/300 | Euro 5, Euro 6 |
| Ø190.5*203.2 | 190.5 | 203.2 | 200/300 | Euro 5, Euro 6 |
| Ø190.5*304.8 | 190.5 | 304.8 | 200/300 | Euro 5, Euro 6 |
| Ø215.9*304.8 | 215.9 | 304.8 | 200/300 | Euro 5, Euro 6 |
| Ø228*228 | 228 | 228 | 200/300 | Euro 5, Euro 6 |
| Ø228*304.8 | 228 | 304.8 | 200/300 | Euro 5, Euro 6 |
| Ø230*152.4 | 230 | 152.4 | 200/300 | Euro 5, Euro 6 |
| Ø240*304.8 | 240 | 304.8 | 200/300 | Euro 5, Euro 6 |
| Ø241.3*304.8 | 241.3 | 304.8 | 200/300 | Euro 5, Euro 6 |
| Ø266.7*152.4 | 266.7 | 152.4 | 200/300 | Euro 5, Euro 6 |
| Ø266.7*215 | 266.7 | 215 | 200/300 | Euro 5, Euro 6 |
| Ø266.7*279.4 | 266.7 | 279.4 | 200/300 | Euro 5, Euro 6 |
| Ø266.7*304.8 | 266.7 | 304.8 | 200/300 | Euro 5, Euro 6 |
| Ø267*254 | 267 | 254 | 200/300 | Euro 5, Euro 6 |
| Ø267*305 | 267 | 305 | 200/300 | Euro 5, Euro 6 |
| Ø286*215 | 286 | 215 | 200/300 | Euro 5, Euro 6 |
| Ø286*305 | 286 | 305 | 200/300 | Euro 5, Euro 6 |
| Ø304.8*330.2 | 304.8 | 330.2 | 200/300 | Euro 5, Euro 6 |
| Ø305*254 | 305 | 254 | 200/300 | Euro 5, Euro 6 |
| Ø305*305 | 305 | 305 | 200/300 | Euro 5, Euro 6 |
| Ø330.2*152.4 | 330.2 | 152.4 | 200/300 | Euro 5, Euro 6 |
| Remark: | Other sizes can be customized according to customer requirements. | |||
Specification of SCR (Selective Catalytic Reduction Catalyst):
| Specification | Diameter (mm) | Length (mm) | Cell Density (CPSI) | Emission Standard |
| Ø130*130 | 130 | 130 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø143.8*95 | 143.8 | 95 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø143.8*152.4 | 143.8 | 152.4 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø143.8*200 | 143.8 | 200 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø172*101.6 | 172 | 101.6 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø172*127 | 172 | 127 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø190*100 | 190 | 100 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø190*150 | 190 | 150 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø190.5*76.2 | 190.5 | 76.2 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø190.5*101.6 | 190.5 | 101.6 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø190.5*127 | 190.5 | 127 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø190.5*152.4 | 190.5 | 152.4 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø228.6*203.2 | 228.6 | 203.2 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø240*50 | 240 | 50 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø240*76.2 | 240 | 76.2 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø240*100 | 240 | 100 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø240*130 | 240 | 130 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø240*152.4 | 240 | 152.4 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø240*160 | 240 | 160 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø240*190 | 240 | 190 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø241.3*101.6 | 241.3 | 101.6 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø241.3*127 | 241.3 | 127 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø241.3*152.4 | 241.3 | 152.4 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø241.3*177.8 | 241.3 | 177.8 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø263*127 | 263 | 127 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø266.7*76.2 | 266.7 | 76.2 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø266.7*101.6 | 266.7 | 101.6 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø266.7*127 | 266.7 | 127 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø266.7*152.4 | 266.7 | 152.4 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø286*120 | 286 | 120 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø304.8*101.6 | 304.8 | 101.6 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø304.8*120.65 | 304.8 | 120.65 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø330.2*101.6 | 330.2 | 101.6 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø330.2*127 | 330.2 | 127 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø330.2*152.4 | 330.2 | 152.4 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Ø330.2*177.8 | 330.2 | 177.8 | 200/300/400/600 | Euro4, Euro 5, Euro 6 |
| Remark: | Other sizes can be customized according to customer requirements. | |||
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