| Customization: | Available |
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| Type: | Catalytic Converter |
| Body Material: | Steel |
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The three-way catalytic converter is the most important external purification device installed in the automotive exhaust system. The carrier component is a porous ceramic material installed in a specially designed exhaust pipe. It is called a carrier because it does not participate in catalytic reactions, but is covered with a layer of precious metals such as platinum, rhodium, palladium, etc. It can convert HC and CO in exhaust gas into water and CO2, while decomposing NOx into nitrogen and oxygen.
| Shelll material |
Ferritic stainless steel SUS444, SUS441, SUS430 and austenitic stainless steel SUS304, SUS316.
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Core material
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Domestic FeCrAl (2073/216) and import FeCrAl (1.4725/1.4767).
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Dimension(mm)
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Diameter from 28mm to 550mm, length up to 300mm
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Cell density (CPSI)
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100, 200,250,300,400,500,600
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Foil thickness(mm)
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0.03,0.04, 0.05,0.06,0.08,0.10
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Light-off temperature
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T50(CO)≤230 T50(HC)≤260 T50(NOX)≤250
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| Shape | Round, oval, race track, rectangular |
| Engine compliance: | Petrol engines, diesel engines, and general engines |
Light off temperature |
CO≤210ºC HC≤230ºC NOX≤250ºC |
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Conversion efficiency
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CO≥85% HC≥80% CO≥85%
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Coating desquamate rate
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≤7%
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| Emission standard | Euro2, Euro3, Euro4, Euro5 |
| Active catalyst ingredients | Pt, Pd, Rh, and rare earth elements |
| Cell density | cpsi | Hole/m² | Tolerance Hole/m² |
| 100 | 15 | ±1 | |
| 200 | 31 | ±2 | |
| 300 | 46 | ±3 | |
| 400 | 62 | ±3 | |
| 600 | 93 | ±4 |
| Out diameter(mm) | 20-150 | ≤30 | ≤0.4 |
| 30-50 | ≤0.45 | ||
| >51 | ±1% | ||
| Height(mm) | 30-120 | 30-50 | ±0.5 |
| 20-80 | ±0.6 | ||
| 80-120 | ±0.7 | ||
| Distance from inner core to end face | 5 | ±0.5 | |
| Out diameter | Shell wall thickness | Tolerance | |
| 0-55 | 1.0 | +15% -10% | |
| 55-145 | 1.2 | ||
| >145 | 1.5 | ||
1. A three-way catalytic converter refers to a device installed in the engine exhaust pipeline that can simultaneously convert three pollutants (carbon monoxide (CO), hydrocarbons (HC), and nitrogen oxides (NOx)) in the engine exhaust into harmless water (H20), carbon dioxide (CO2), and nitrogen (N2) through oxidation and reduction reactions. As an effective external purification technology, it is widely used in the control of automotive pollutant emissions.
2. When high-temperature automobile exhaust passes through the purification device, the purification agent in the three-way catalytic converter will enhance the activity of co, hc, and nox gases, prompting them to undergo certain oxidation-reduction chemical reactions. Among them, co is oxidized to colorless and non-toxic carbon dioxide gas at high temperature; Hc compounds oxidize into water (h20) and carbon dioxide at high temperatures; NOx is reduced to nitrogen and oxygen. Three harmful gases are transformed into harmless gases, enabling the purification of car exhaust.
Pingxiang Obbo Environmental Technology Co., Ltd is an industrial ceramic manufacturer and advanced ceramic research company, which is located in Jiangxi Pingxiang Industrial Ceramic Park - the capital of ceramic in China. Obbo environmental is specializing in manufacturing ceramic media and distributing its products over the world.
The main Industrial ceramic media we produce includes: Ceramic Honeycomb carrier, honeycomb ceramic Heat Recovery Media, Catalyst Carrier, ceramic foam filter, three way catalytic converter, as well as ceramic packings and related products. We provide customized solutions for honeycomb ceramic media and our products are widely applied in the industries of chemical, electric power, metallurgy, petroleum, electronics, electrical appliances, machinery, environmental, residential, etc.
With the team of ceramic professionals and senior consultants, Obbo environmental has made significant breakthroughs of high temperature material and high cell density honeycomb ceramics and it will keep pushing the edges.
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