... -10000mmAq 2 Air volume: 85.5m3/min-142.7m3/min 3 Motor power : 30kw-200kw 4 Motor:380v/400v The key ... can satisfy the demand of reducing leakage and improving efficiency.3,Without any oil filled in it, its transmitting medium can ... , passed the ISO9001 Quality System Certification, and achieved a number of patents.3. In 2011, the FSR Roots Blower was identified as ...