Wuxi Weifu Environmental Catalysts Co., Ltd.
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GPF (Gasoline Particulate Filter)Euro 6 PN Filtration for After-treatment System
GPF (Gasoline Particulate Filter)
Gasoline particulate filters (GPF) have been introduced to reduce particle number emissions from GDI vehicles. The filters utilize wall-flow substrates first developed for diesel particulate filters. The GPF regenerates passively, but an active regeneration assist is needed to prevent filter plugging during low temperature duty cycles. Ash has an impact on GPF performance and—if the GPF is coated with a three-way catalyst—can be a source of catalyst poisoning.
| Items | Contents |
| Product Name | GPF (Gasoline Particulate Filter) |
| Material | Ceramic |
| Shape | Round |
| Size | Can be customized |
| Cell Density | 200/300 CPSI |
| Application | Exhaust treatment |
| Model | Universal |
| Emission Standard | Euro 6 |
To meet Euro 6 / China-VI stage light-duty vehicles PN emission requirements, WFEC developed WFG series cGPF catalysts. WFEC cGPF catalysts can achieve excellent PN filtration rate through optimized washcoat design and distribution. By improve of washcoat material and coating process, the backpressure of cGPF catalyst is largely decreased, thus the negative influence on engine fuel economy by cGPF is obvious lowered. And the active catalytic washcoat on cGPF can deeply purify gas pollutant (such as THC, CO and NOx) and fulfill Euro 6 / China-VI aging requirements. cGPF can install in CC (Close-coupled) or UF (Under-floor) position, applying together with TWC. The vehicle emission of PN and gas pollutant is able to completely satisfy Euro 6 / China-VI regulations after employing WFEC TWC+cGPF aftertreatment system.
| Specification | Cell Density (CPSI) | Emission Standard |
| Ø118.4*101.6 | 200/300 | Euro 6 |
| Ø118.4*127 | 200/300 | Euro 6 |
| Ø118.4*136 | 200/300 | Euro 6 |
| Ø118.4*152.4 | 200/300 | Euro 6 |
| Ø132.1*101.6 | 200/300 | Euro 6 |
| Ø132.1*110 | 200/300 | Euro 6 |
| Ø132.1*127 | 200/300 | Euro 6 |
| Ø132.1*146 | 200/300 | Euro 6 |
| Ø143.8*123.2 | 200/300 | Euro 6 |
| Ø143.8*127 | 200/300 | Euro 6 |
| Ø143.8*152.4 | 200/300 | Euro 6 |