Metering unit for introducing a reducing agent into an exhaust pipe upstream of a selective catalytic reduction catalyst includes a pressure sensor equipped with a frost compensator

摘要

Metering unit for introducing a reducing agent into an exhaust pipe upstream of a selective catalytic reduction (SRC) catalyst comprises a pressure sensor (2) equipped with a frost compensator (3), a reducing agent channel (5), a temperature sensor (7) and a metering valve (8).