Diesel filtration program

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Delphi Product and Service Solutions has launched a new comprehensive diesel particulate filter (DPF) program which includes retrofit after-treatment systems and a cleaning machine.

The new DPF program will provide the Delphi authorized repair network a potential service opportunity of more than 2.5 million DPF systems.

“DPF regeneration in on-road vehicles is incorporated in the normal duty cycle. High speed creates sufficient levels of exhaust gas heat to regenerate the DPF passively,” said Anita Barlow, managing director, diesel, North America, Delphi. “But off-highway vehicles are often restricted to low speeds and stationary operation, so passive regeneration alone will not suffice. The Active DPF system can be retrofitted to machinery and still achieve self-regeneration. Our new DPF cleaning system delivers a superior, faster, more efficient process with higher throughput, and lower running costs.”

The Delphi DPF Retrofit System automatically regenerates the DPF, when required, by injecting fuel to artificially increase the temperature to the required level. The system regeneration is fast and efficient, improves engine performance and fuel economy, reduces running costs, and enables continuous operation.

The core of the filter is made from premium Silicon Carbide to ensure long life and premium performance in harsh working conditions. The range is manufactured in in the USA, ensuring the highest levels of availability, compatibility and impeccable assembly standards.

The system’s combined active and passive regeneration (Hybrid) process is able to efficiently oxidize the pollutants carbon oxide (CO) and hydro carbons (HC) without increasing the levels of nitrogen dioxide (NO2). The solution is a self-cleaning diesel particle filter system, which offers impressive emission results, which have been independently verified and reflect the incredible green credentials of the system.

*Reduction of particulate emission: > 99 percent

*Reduction of CO and HC emission: > 95 percent

The new Delphi DPF cleaning process is a suite of tools and procedures developed to ensure DPFs which pass through the system receive a validated clean with ash deposits removed. The process does not affect catalytic coatings, filter mounting mats or impact durability.

With new filter materials, the Delphi DPF cleaning process combines programmable functionality with a precision jet of high-speed air to deliver validated ash removal. Future Euro 6 compliant engines will use filter substrates with 300 or 350 cells per square inch, meaning conventional systems may struggle to maintain ash removal on a single cycle.

Failure to remove trapped ash has the consequence of significantly reducing the diesel particulate filters service life. Other consequences can include an increase in fuel consumption due to the re-accumulation of ash and resultant increase in backpressure.

With quick and efficient cleaning delivered on a schedule this means filter cleaning can be combined with standard vehicle maintenance events resulting in no unnecessary vehicle down-time.

www.delphi.com/am