Product Description: Model DSR-75W DSR-100W DSR-125W DSR-150W DSR-180W DSR-220W exhaust / exhaust pressure (m3 / min / Mpa) 10.5 / 0.7 13.6 / 0.7 16.3 / 0.7 20.2 / 0.7 24.0 / 28.0 0.7 / 0.7 9.8 / 0.8 13.0 / 0.8 15.8 / 0.8 19.0 / 0.8 23.0 / 0.8 26.5 / 0.8 8.7 / 1.0 11.6 / 1.0 14.0 / 1.0 17.0 / 1.0 20.0 / 1.0 22.5 / 1.0 7.6 / 1.3 10.0 / 1.3 1203 / 1.3 14.6 /1.3 17.7 / 1.3 20.1 / 1.3 Motor power (KW) 55 75 90 110 132 160 revolutions (rpm) 1480 1480 1480 2980 2980 2980 voltage V / H 380/50 frequency Y- △ start startup mode noise DB (A) 75 ± 3 75 ± 3 outlet diameter (Inch) - 2 "2" DN65 DN65 DN65 ambient temperature (℃) -5 ℃ ~ + 45 ℃ exhaust gas temperature (℃) cooled <+ 40 ℃ Dimensions Length L (mm) 2000 2000 2,000,254,025,402,540 width W (mm) 1450 1450 1450 1640 1640 1640 High H (mm) 1620 1660 1660 1860 1860 1860 Weight (kg) 2200 2300 2800 4000 4500 4800 Model DSR-250W DSR-300W DSR-340W DSR- 400W DSR-480W exhaust / exhaust pressure (m3 / min / Mpa) 32.5 / 0.7 40.0 / 0.7 43.5 / 0.7 50.8 / 0.7 60.0 / 0.7 31.0 / 0.8 36.8 / 0.8 42.0 / 0.8 48.2 / 0.8 57.0 / 0.8 28.0 / 1.0 32.2 / 1.0 38.1 / 1.0 42.6 / 1.0 50.0 / 1.0 25.1 / 1.3 28.5 / 1.3 34.6 / 1.3 39.8 / 1.3 45.0 / 1.3 Motor power (KW) 185 220 250 300 350 revolutions (rpm) 2980 2980 2980 2980 2980 voltage V / frequency H 380/50 Y- △ start startup mode noise DB (A) 72 ± 3 78 78 80 82 outlet diameter (Inch) DN80 DN100 DN100 5 "5" ambient temperature (℃) -5 ℃ ~ + 45 ℃ Exhaust Temperature (℃) cooled <+ 8 ℃ ambient temperature Dimensions Length L (mm) 2800 2850 2850 5010 5200 width W (mm) 1800 1850 1850 2210 2500 High H (mm) 1900 1950 1950 2130 2130 Weight (kg) 5200 5,600,600,080,008,500