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LPG
03.05.2017
Netherlands
Sector: LPG

eVP-500 - a prince among reducers

An LPG reducer capable of supplying a 500 PS engine with autogas, at the same time sporting the size of a soft drink can? Dutch company Prins found a solution and presented it during the 2017 edition of the GasShow fair in Warsaw, Poland.
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Prins eVP-500 electronic reducer - front view© gazeo.comIt may look like a CNG pressure regulator, but don't be fooled - it's a proper LPG reducer

Ironically, modern cars' engines have fewer cylinders than their predecessors, yet their bays are increasingly cramped, leaving less and less space for autogas system components. The new eVP-500 reducer could be the answer to the needs of installers converting big and powerful vehicles, requiring ample and stable fuel supply. It's small on the outside, but capable on the inside!

Just like the eMV multivalve created by BRC (Prins' sister company inside the Westport Fuel Systems group), the eVP-500 (Electronic, Variable Pressure, up to 500 PS of supported engine power) reducer is electronically controlled. This greatly enhances the component's capabilities, most importantly allowing for dynamic LPG output pressure regulation, depending on the engine's load at a given moment. The vapouriser is membraneless, which makes it practically maintenance-free. Apart from being very compact in size, it's also lightweight and that's thanks to its plastic-made housing. Incidentally, the choice of this material improves the reducer's heat efficiency.

Prins eVP-500 electronic reducer - rear view© gazeo.comAll connectors on one side, all fixing on the other - installers are bound to like the new product

There are many other advantages of the design, though. According to Prins, the eVP-500 retains autogas pressure determined by its software regardless of engine load, it doesn't suffer from pressure drift and is resistant to fuel cut-off pressure peaks (during engine braking). The reducer is also installer-friendly – all the connectors (LPG and coolant inlets and outlets) are on the same side of the device, helping eliminate excessive hoses and cables. Also, MAP connection is not required (actually, it's not even possible).

The reducer includes a disposable liquid state LPG filter, easily accessible from the top. Furthermore, there's a built-in pressure relief valve for enhanced safety of use and an integrated solenoid valve, cutting fuel flow into the combustion engine in case of engine failure or accident. The eVP-500 weighs in at just 800 g and is suitable for use in any vapour state sequential autogas injection system (for engines with direct and port petrol injection). As much as we know Prins, though, we expect the new technology to be exclusively available on the brand's VSI conversion kits.



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Robert Markowski
source: Prins



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