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Doc Diesel Oxidation Catalyst Nox

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Brand Name :	WEIFU
Model Number :	Diesel Engine Catalyst
Certification :	ISO9001, IATF16949
Price :	Negotiable
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Supply Ability :	1,200,000 PCS per year
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Doc Diesel Oxidation Catalyst Nox

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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