... the product quality more liable.7. The transported air is clean and without any oil-dust, as ... 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 ...