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VERSUSGAS:

SAFE DRIVING, SIMPLER AND EASIER THAN EVER

SGI VERSUS SYSTEM BASIC DESCRIPTION

SGI VERSUS:

VERSUS is a sequential injection gas conversion system designed to gasoline motor vehicles supplying LPG or natural gas in gaseous state. Thanks to its superior integration features, VERSUS guarantees high performance as well as an easy, user-friendly installation process. Versus Sequential gas system is the right solution for the latest generation vehicles, it represents the most advanced level of evolution for gas injection equipment. Our products are designed in accordance with the highest safety standards. It is easy to install, the operation is logical.

VERSUS system from the level of its operational functions is fully automatic device. It switches to gasoline mode immediately when it recognizes the lack of the gas.  After refueling at least half of the tank, it switches to gas mode automatically. In case a failure of any component - it switches to petrol. Additionally all VERSUS controllers are equipped with a leak detection system. When leakage is detected, it shuts off all valves.

In the Versus gas system, the ECU (Electronic Control Unit) calculates the opening times of the injectors, individually required by each cylinder, it operates each gas injector separately with the highest precision and with perfect timing to the opening instant of the air intake valves. Consequently the Versus Sequential injection system delivers correct fuelling requirement at the precise time for the particular vehicle.

 

REDUCER

This is an important device located in the engine compartment. It allows the gas to be delivered to injectors at the correct pressure and temperature. Gas is delivered to the reducer as liquid phase and becomes gaseous at constant pressure at the output. This device is attached to vehicle cooling system to prevent freezing. 

 

INJECTORS

One injector is used for each cylinder. The injectors are electromechanical devices that precisely control the gas supply to be delivered to the engine. Injectors are controlled by the Versus ECU which utilizes signals from variety of vehicle sensors.

 

ELECTRONIC CONTROL UNIT (ECU)

VERSUS Sequential ECU is a sophisticated computer controlled unit which operates the whole gas system. ECU operates by interfacing with vehicle’s own ECU so performance and emissions control are maintained. Versus ECU is equipped with a safety feature which cuts the gas supply in the event of an accident. Versus ECU and software is constantly developed and firmware updates will be applied at the routine service checks by authorized service stations.

MAP SENSOR

Map-sensor is used to measure gas pressure in the system. It fulfills an additional role which is vacuum measurement in the intake manifold (measurement of engine load).

 

GAS FILTER

Gas filter has an important task of filtering gas impurities and preventing them passing into the injectors which are delicate devices. VERSUS filter is located between Reducer and Injectors. It is very important that the filters are replaced with genuine VERSUS parts at the specified service intervals.

 

 

GAS TANK

The tank is the largest and heaviest component of the gas system and installed either in the boot or underneath of the vehicle.

LPG: There are two types of LPG tanks: Cylindrical and Toroidal (ring shaped) which goes to space of spare wheel. The law requires that gas tanks cannot be filled to more than 80% of their quoted water capacity. Their working pressure usually amounts to 7-10 bars (depend on the country and local requirements).

CNG: There are also many different types of CNG Containers (composite, steel made). Their type to be selected depends on the customers’ requirements and local law that define the conditions the containers should meet. Working pressure usually amounts to 250 bars.

 

MULTIVALVES/VALVES

LPG: Multivalve control several functions. These include an 80% shut off for refueling, a safety solenoid to cut the gas supply, excess flow and safety valve. Also there is an electronic device mounted on the multivalve which sends information about the fuel level to ECU.

CNG: There are several types of the valves (manual/electrical valves). This device is attached to the container (outlet side).

 

GAS SUPPLY PIPE

This is the pipe that supplies gas from the tank to the reducer. Inside there is a high pressure, so the pipe must be installed to the required pressure (copper pipe for LPG, steel for CNG).

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