... 400v 5 Please call us for the detailed parametersFSR200A three lobes roots blowerKey Features 1, When the air blower is working, its ... pressure can change with the fraction of the system. 2, The product uses a special kind of curve-like ... , suction silencer (with air filter), bolt, safety valve 2, The special attachments like flexible joint, lubricating oil, exhaust muffler which ...