UP28 vacuum pumps
 
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UP28 vacuum pumps
UP28 vacuum pump

UP28 vacuum pump

The UP28 vacuum pump is activated on demand to support the evacuation of the brake booster. The UP28 can provide the necessary vacuum for the brake booster in a wide range of situations when the internal combustion engine is unable to do so, e.g. during the cold start/warm-up phase, at high altitudes or when using the air-conditioning system. The UP28 is installed parallel to the main combustion engine and evacuates filtered air via the brake booster and flexible pneumatic hoses.

Electrical contact between the UP28 and the ECU is made using a cable equipped with an engine compartment connector and attached to the vacuum pump.

Over 17 million electric vacuum pumps have been produced since 1999.

 

TECHNICAL DATA

07/30/2015

 

UP28 vacuum pump
Operating temperature -40°C to +100°C (< 20 min. at up to +120°C)
Maximum vacuum level 86% (under ambient pressure)

Pressure build-up time

(with 13 V and 4 l test volume)

50% of ambient pressure: t ≤ 6.2 s

70% of ambient pressure: t ≤ 11.7 s

Pump operating time 600 hours
Weight ~ 1 kg

 

 

 

07/30/2015
 
 
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