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Doc Diesel Oxidation Catalyst Nox

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Doc Diesel Oxidation Catalyst Nox

Brand Name : WEIFU

Model Number : Diesel Engine Catalyst

Certification : ISO9001, IATF16949

Place of Origin : Wuxi, China

MOQ : 50 PCS

Price : Negotiable

Payment Terms : T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Supply Ability : 1,200,000 PCS per year

Delivery Time : 30-60 days after receiving the deposit

Packaging Details : cartons and plywood cases

Product Name : Diesel Engine Oxidation Catalyst

Material : Ceramic, metal

Shape : Round, square

Size : Can be customized

Cell Density : 200/300/400 CPSI

Application : Diesel engine

Model : Universal

Emission Standard : Euro 4, Euro 5, Euro 6, Tier 3, Tier 4, EPA3

Type : Doc Diesel Oxidation Catalyst Nox

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Diesel Engine Catalyst

Diesel engines normally run lean (more air than fuel), and therefore a diesel autocatalyst usually operates as an oxidation catalyst (which is why it is known as a diesel oxidation catalyst or DOC) cutting CO and HC emissions by more than 90%.

  • CO + ½ O2 → CO2
  • [HC] + O2 → CO2 + H2O

Many diesel particulate filter (DPF) systems incorporate an oxidation catalyst, either as a coating on the filter or as a separate element.

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

WEIFU catalysts have reached the advanced level in the world. The catalyst products have been successfully applied to gasoline vehicles, diesel vehicles, motorcycles and industrial waste gas treatment and ozone decomposition fields, meeting Euro V, Euro VI and above emission standards. It specializes in the research and development, production and sales of environmental protection catalysts, and provides related technologies and services. The company takes purifying the air and protecting the environment as its mission, insists on technological innovation, and the core technology of after-treatment has reached the world's advanced level.

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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