What are you trying to do?
Vacuum
Vacuum Hold-DownHigh flow at moderate vacuum, continuous dutyCNC RoutingFlow dominates once the spoilboard is openPick + PlaceModerate vacuum, fast response, often intermittentVacuum FormingFast evacuation of a receiver; deeper vacuumPackagingDeep vacuum, repeated cyclesDegassingDeeper vacuum; vapour handlingCentral VacuumDiversified demand, redundancyPneumatic ConveyingHigh flow, moderate differentialDryingVapour tolerance; deeper vacuumMaterial HandlingModerate vacuum, leak-tolerant flowMedical SuctionRedundant, code-compliant central plantProcess VacuumProcess gas compatibility, deep vacuumLeak TestingFast pump-down, low ultimate
Compressed air
AerationHigh flow, low pressure, turndownInstrument AirLow dew point, oil-free or filteredPlant AirRoughly 90-125 psig at the point of usePressure ConveyingLow to medium pressure, steady flowFood-Contact AirOil-free, dried and filteredMedical AirOil-free, redundant, monitoredSpray + FinishingDry, filtered air at steady pressure