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What Are the Common CDPF Specifications and Models? How to Choose the Right One?

2025-07-09

CDPFs (Catalyzed Diesel Particulate Filters) come in various specifications to accommodate different vehicle types, emission standards, and installation constraints. Key classification factors include physical dimensions, structural shape (round, square, oval), cell density (CPSI), and substrate material (cordierite or silicon carbide).

Common Specifications (Sample Models):

Model Code	Diameter(mm) / Width×Height	Height(mm)	Volume (L)	CPSI (Cell Density)	Shape
DPF143-203	Φ143.8	203.2	3.30	100/200/300/400	Round
DPF190-254	Φ190.5	254	7.24	100/200/300	Round
DPF228-280	Φ228.6	280	11.49	100/200/300	Round
DPF304-330	Φ304.8	330.2	24.08	100/200	Round
DPF150x150-200	150×150	200	4.5	50/75/100/200	Square
Custom Models	Based on available space	Custom	Custom	Custom	Round/Square/Oval

Note: Custom sizes are available depending on vehicle layout, emission targets, and flow requirements.

How to Select the Right Model?

Check Installation Space: Measure allowable diameter, height, or width-depth for your exhaust setup.
Match Engine Displacement and Flow Rate: Higher displacement engines need higher volume CDPFs with greater flow capacity.
Align with Emission Standards: Use 200–300 CPSI for Euro V and 300–400 CPSI for Euro VI compliance.
Choose the Right Material: Use SiC for high-load, high-temp conditions; Cordierite for stable, moderate-duty use.
Consider Regeneration Strategy: For low-temperature operations, choose low-temp catalyst coatings or pair with an active regeneration system.

Wuxi Grace Environmental Technology CO,.LTD

products

Catalyst DPF

Three Way Catalytic Converter

SCR Denox Catalyst

Honeycomb Catalyst

DPF Diesel Particulate Filter

Metallic Catalyst Substrates

VOC Catalyst

claudia@graceet.com 86-138-6182-2490

No.333 Jincheng East Road, Xinwu District, Wuxi City, Jiangsu Province, China

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What Are the Common CDPF Specifications and Models? How to Choose the Right One?

Common Specifications (Sample Models):

Model Code

Diameter(mm) / Width×Height

Height(mm)

Volume (L)

CPSI (Cell Density)

Shape

DPF143-203

Φ143.8

203.2

3.30

100/200/300/400

Round

DPF190-254

Φ190.5

254

7.24

100/200/300

Round

DPF228-280

Φ228.6

280

11.49

100/200/300

Round

DPF304-330

Φ304.8

330.2

24.08

100/200

Round

DPF150x150-200

150×150

200

4.5

50/75/100/200

Square

Custom Models

Based on available space

Custom

Custom

Custom

Round/Square/Oval

Note: Custom sizes are available depending on vehicle layout, emission targets, and flow requirements.

How to Select the Right Model?

Check Installation Space: Measure allowable diameter, height, or width-depth for your exhaust setup.

Match Engine Displacement and Flow Rate: Higher displacement engines need higher volume CDPFs with greater flow capacity.

Align with Emission Standards: Use 200–300 CPSI for Euro V and 300–400 CPSI for Euro VI compliance.

Choose the Right Material: Use SiC for high-load, high-temp conditions; Cordierite for stable, moderate-duty use.

Consider Regeneration Strategy: For low-temperature operations, choose low-temp catalyst coatings or pair with an active regeneration system.

Catalyst DPF

Three Way Catalytic Converter

SCR Denox Catalyst

Honeycomb Catalyst

DPF Diesel Particulate Filter

Metallic Catalyst Substrates

VOC Catalyst