At the recently completed eco-fair in Chicago, NTT has presented the new GT-H-T50, the largest to date compressors from Varese. These are blowers with a capacity of 14,000 to 32,000 Nm3 / h and a overpressure of 0.3 to 1.45 bar (a). With motors up to 800 kW. In preparation  blowers type GT-H-T60.