Pierburg highlights back-pressure valve technology

October 08, 2018
Pierburg highlights back-pressure valve technology
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Pierburg had a major presence at Automechanika Frankfurt with its range of products on display on the Rheinmetall Automotive stand. There was a particular emphasis on the Pierburg range of products that play a key role in minimising diesel emissions.


Pierburg ranks as a specialist in exhaust-gas related, eco-friendly components and offers key technologies that are proven in both car and commercial vehicle applications. A lead role is played by the back-pressure valve (BPV) and Pierburg has now widened its modular system to accommodate the use of this versatile valve.

Since Euro 5 and Tier 4i, Pierburg has been series manufacturing high-precision motorized BPVs. The Company is the only single-source supplier of complete flap and actuator systems.

In a wide variety of applications, NOx emissions are now reduced with the aid of modern technologies such as EGR or SCR systems, or by a combination of the two. In each case, a back-pressure valve is recommended. Featuring further functions, the valve can be combined to form a low-cost system and thus fulfil such tasks as assisting in EGR or thermal management for SCR and diesel particle filter regeneration. Other functions include engine-assisted braking for reduced wear on the primary brake system, or gear-shift assistance for automatic transmissions.

In line with rising technical requirements, the newest product generation has a double-wall welded housing for protecting the actuators and neighbouring components from overheating. This reduces the cost of the more expensive option of thermal insulation to a minimum.
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