... The blower bearing what we used are all double-row and Self-aligning bearing.12. The blower ... in gas transportation, waste water treatment, sewage treatment, air purifying, aquaculture, pneumatic transport, vacuum packing, combustion-supporting ... : 0.55-315kw Standard AccessoriesSuction Silencer (With Air Filter)Discharge silencerAnchor BoltReverse ValveFlexible JointSafety ValvePressure GaugeCommon ...