Revolutionary
Energy Efficiency

Riem Italy ® presents Ultima™: an oil-free variable-speed screw compressor with innovative technologies for premium-quality compressed air

Up to 13% energy savings
ISO 8573-1 Class Zero certified
37%
Reduced footprint
69dB
Minimum noise level
45%
Less standby energy
100%
Heat recovery

Ultima™, the real value

The exclusive patented design offers numerous advantages

Maximum efficiency

Up to 13% savings compared to industry standards thanks to variable-speed technology

Optimal performance

Independently driven LP and HP compressor elements with no transmission components

Compact footprint

Up to 37% smaller than traditional oil-free compressors

Quiet operation

The quietest in its class: max 69 dB(A) water-cooled, 70 dB(A) air-cooled

Certified oil-free

Completely free of oil and silicone, ISO 8573-1 Class Zero certified for critical applications

Industry 4.0

iConn solution for proactive maintenance and smart monitoring

Integrated Heat Recovery

Ultima is the first and only oil-free air-cooled compressor on the market capable of using heat recovery for process heat.

98%
Heat recovery
During the compression process
85°C
Water temperature
Maximum achievable
Recovered heat applications:
  • Process water heating
  • Space heating
  • Industrial processes
  • Air preheating
Annual Operating Cost Comparison
100%
Traditional compressor
87%
Ultima without recovery
9%
Ultima with recovery
Up to 91% savings on operating costs

Technical Specifications

Ultima™ Range U75 - U160

Model Cooling Pressure [bar g] Motor [kW] FAD 8 bar [m³/min] FAD 10 bar [m³/min] Noise [dB(A)] Dimensions L×W×H [mm]
U75 Air/Water 4 - 10 75 6,7 - 11,9 7,7 - 9,9 64/63 3244×1394×1992
U90 Air/Water 4 - 10 90 6,7 - 14,9 7,7 - 12,7 65/64 3244×1394×1992
U110 Air/Water 4 - 10 110 6,7 - 18,5 7,7 - 16,3 65/64 3244×1394×1992
U132 Air/Water 4 - 10 132 6,7 - 22,2 7,7 - 19,9 67/66 3244×1394×1992
U160 Air/Water 4 - 10 160 6,7 - 23,9 7,7 - 23,6 70/69 3244×1394×1992

Revolutionize Your Energy Efficiency

Discover how Ultima™ can transform your compressed air system with up to 13% energy savings and 100% heat recovery.