HP Injection Valve HDEV 5.1
The HDEV 5.1 is a high pressure injector,
which is developed to be used as a port or
a direct injection.
The function of the HDEV 5.1 is both to
meter out the fuel and to obtain a well-
defined mixture of fuel and air. It is an
inward opening solenoid injector which is
optimized regarding very short opening
and closing times, which ensures a very
stable linearity at short injection times.
The benefit of this injector is a high spray
variability concerning spray angle and
spray shape. Also the flow rate can be
defined in a big range.
Application Mechanical Data
Application 308 & 1,026 g/min @ 100 bar Weight w/o cable 68 g
Fuel input top-feed-injector Diameter 20.7 mm
Fuel gasoline Length 87 mm
Operating pressure 150 bar
Characteristic
Operating temperature range -31 & 130 °C
Spray type Multihole
Storage temperature range -40 & 70 °C
Number of holes 4 & 7 holes
Max. Vibration 600 m/s2
Spray angle overall 110°
Spray angle single beam 8 & 20°
Electrical Data
Booster power supply 65 & 90 V Static flow tolerance Ä…5 %
Booster current 8.5 & 12 A Dynamic flow tolerance Ä…6 % @ ti = 1.5 ms
Booster sustain time 355 & 440 źs Leakage d" 2.5 mmÅ‚/min @ 23 °C
Peak power supply 12 V
Connectors and Cables
Peak current 4.8 & 7.1 A
Connector Kompakt
Peak sustain time 145 & 160 źs
Connector loom A 928 000 453
Hold power supply 12 V
Pin 1 Pos
Hold current 2.5 & 3.1 A
Pin 2 Gnd
Coil resistance 1,500 ©
Pin 3 -
Pin 4 -
Pin 5 -
02 Mar. 09 motorsport@bosch.com 1/2
Application Hint Part Number
The injector has to be supplied by a Bosch HDEV 5.1 on request
Motorsport power stage (e.g. HPI 1.1 or HPI 1.16).
If your application conditions will not match the
listed performance data, please ask for consultancy
at Bosch Motorsport.
The injector can be cleaned (mechanically or
chemically) if the tip will not be damaged.
Do not use supersonic cleaning.
Please find further application hints in the offer
drawing (http://www.bosch-motorsport.com).
Examples of variations, further variations on request
02 Mar. 09 motorsport@bosch.com 2/2


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