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Back-Pressure Valve

The back-pressure valve is a butterfly valve that is operated by an air-powered cylinder. When the PMCI-2 unit sends a signal, a solenoid valve opens an air connection to the operating cylinder, closing the back-pressure valve. A position sensor provides feedback to the PMCI-2 unit on the valve's position. Closing the valve increases back pressure in the exhaust manifold. The back-pressure valve is used for stationary and mobile regeneration of aftertreatment systems.

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Pablo Porras
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196 views1 page

Back-Pressure Valve

The back-pressure valve is a butterfly valve that is operated by an air-powered cylinder. When the PMCI-2 unit sends a signal, a solenoid valve opens an air connection to the operating cylinder, closing the back-pressure valve. A position sensor provides feedback to the PMCI-2 unit on the valve's position. Closing the valve increases back pressure in the exhaust manifold. The back-pressure valve is used for stationary and mobile regeneration of aftertreatment systems.

Uploaded by

Pablo Porras
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Back-

Back-Pressure Valve
The Back-Pressure Valve (BPV) is a butterfly valve. The BPV
(1) is operated via an air operating cylinder (2). When the
actuator BPV receives an electrical signal from the PMCI-2
unit, a solenoid valve opens the air connection. When this air 1
connection is open, air can flow from the vehicle air supply to
the operating cylinder. The operating cylinder closes the
BPV. There is a position feedback to the PMCI-2 unit via the 2
position sensor (3) mounted on the cylinder. When the BPV
is closed, there is a higher back pressure build-up in the
exhaust manifold. 3
The Back Pressure Valve is used for:
■ Stationary regeneration (After treatment) 4
■ Mobile regeneration (After treatment)
i401699

1 Back-pressure valve (BPV)


2 Operating cylinder
3 BPV position sensor (F811)
4 BPV actuator (L020)

M028451 - 02.19.2010
This information applies exclusively to the entered chassis number or the selected engine type. Please take into account that this information may change
daily. Therefore the provided information is only valid on 02-10-2015. You cannot derive any rights from the information provided with respect to vehicles
and/or components of another series, with another chassis number, and/or of another date. (CJ296124 / )

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