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We
fit only the very latest SGI & VSI type of Systems
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LPG
Sequential Gas Injection (SGI)
This type of LPG conversion gives almost identical characteristics to the
vehicles original petrol-injection systems.
This new system, Sequential Gas Injection (SGI), has been developed at the
request of and in close collaboration with several automobile manufacturers.
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To
satisfy their needs it has been important to retain the original characteristics
of the car. So, after the SGI system has been installed, reliability and quality
remain virtually unchanged. The key to the SGI system is a new gas injector,
which behaves comparably to a modern petrol injector.
· Advantages
of the SGI System
 Performance
and driving characteristics almost identical to petrol
Quality and reliability conform to automobile-industry standards
Fast application development for the retrofit market
SGI concept meets new emission requirements and complies with EOBD
Wide variety of applications for the latest, heavily-loaded and sophisticated
executive vehicles.
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How the SGI System Works
 Liquid
Gas flows from the LPG tank to a vaporise / pressure regulator in the engine
compartment. The liquid gas is vaporized in this regulator and the LPG pressure
is adjusted to a suitable value. The LPG then flows through the common rail to
the various SGI injectors (the number of which depends on the number of
cylinders) which are attached to the inlet manifold. The SGI computer calculates
the ignition moment and the duration of injection for each cylinder
independently, resulting in maximum drivability and minimum exhaust emission.
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Vapour Sequential System (VSI)
VSI is an abbreviation for "Vapour Sequential Injection", the latest
development from Prins Autogassystemen B.V.
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With
this development a new phase has commenced for the LPG and CNG industry
The system is fully integrated "master - slave" with the petrol management
system which makes the system EOBD compatible so signal emulation is not
required.
By
injecting the LPG the same way as on petrol there is no difference anymore
driving on petrol or driving on LPG. You will only notice the difference at the
pump and benefit the environment.
In close cooperation with Keihin corp. in Japan Prins Autogassystemen B.V.
developed their LPG/CNG injector. Keihin Corp. one of the worlds leading
injector manufacturer, ensuring OEM quality and reliability. The injector is
perfect linear from 2,5 ms with a performance guaranteed and a long durability
290 million cycles (OEM quality). These specifications discern our injector from
other injectors in market.
The
ECM injector driver capability up to 8 cylinders. In combination with our
special software strategy we can achieve the best drive-ability with excellent
emissions.
Other changes in comparison with the first generation gas injection systems are:
1. Small and compact design suits all cabin interiors, via smart touch control
2. An extra dry gas filter
3. Compact design reducer for ease of installation
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