The MATTEI® Rotary Vane Xtreme (RVX)

The MATTEI® Rotary Vane Xtreme (RVX) Series represents the next frontier in the XTREME revolution of energy efficient fixed-speed air compressors. These 50 hertz, direct-drive compressors use a solid-state electronic starter to slowly come up to speed. Also referred to as a “soft starter” it softens the shock to the drive train upon starting to reduce stress and wear on the components. In operation, our legendary “bearingless” airends rotate at just 1.500 rpm without the use of high maintenance belts or energy robbing gears. The slower a compressor runs, the longer it lasts. RVX Series runs about 50% slower than what you’ll find in most competitive fixed-speed air compressor designs. Discover RVX Series, the next generation of long-lasting, single-stage, 55÷90 kW, fixed-speed air compressors from Mattei – the world leader in rotary vane technology.

Only Mattei’s exclusive rotary vane technology is proven to be even more energy efficient the longer it runs. We call it VANE GAIN. Third party testing confirms that our compressor begins to consume less energy from the moment you turn it on as the blades season. What does that mean to you? Simple. Our VANE lets you GAIN lower energy costs over time – an exclusive benefit found ONLY in Mattei’s proprietary rotary vane technology.

Rotary vane technology is Simply Different. Air moves latitudinally. Centrifugal force propels the vanes/blades outward and keeps the tips stable against the stator wall to ride upon a thin film of lubricant. By design, the singlerotor vane compressor is completely devoid of thrust forces that cause traditional ball or roller type bearings to wear. This allows Mattei to engineer a compressor that uses white metal bushes in lieu of bearings. Therefore, you never need to rebuild or overhaul a Mattei rotary vane airend because there are simply no tolerances to wear or, bearings to wear out.

In rotary screw compressors, air moves longitudinally. Where the blades in a vane ride on a thin film of lubricant along the stator wall, helical screw rotors cannot touch the cylinder walls. Screw compressors rely on oil flooding to fill the cylinder and endplate gaps. By design, the screw compression process creates thrust forces in one direction when building pressure. Then, each time it unloads, the pressure equalizes across the length of the rotors. The Loading/Unloading cycles cause the bearings to wear as the screws chuck back-and-forth. Tolerance losses increase internal recirculation which can make it run hotter and draw more energy. When it is time to rebuild the screw airend, you learn it is going to cost about 50% of what you originally paid to buy that air compressor and, the cycle begins anew.