Technical data for explosion-proof positive-pressure cabinets
The technical documentation for the explosion-proof pressurized cabinet includes gas source requirements, commissioning methods, usage methods, and maintenance methods. This technical documentation can help users understand and use the explosion-proof pressurized cabinet within a short period of time.。

Air Sourcerequirements
ProtectionGasVariousVarious:CleanAerospaceStation Air Sourcepressurerequirements:0.4~0.8MPa
AdvancedStationReputationMainstreamQualityrequirements:≥7m³ /h ChangeStationTime:30min (alreadyEquipmentStable)
normalWorking PressureValue;200^300Pa MostLowPositive PressureProtectionValue:50Pa (alreadyEquipmentStable)
LowpressureAlarmValue:100Pa (alreadyEquipmentStable) MostHighPositive PressureProtection:400pa (alreadyEquipmentStable)
Commissioningmethod
Air SourceFacilityBrilliantAfter-sales, Completely PunchingOpenAdvancedStationmanualValve,meanwhileAccordingNextSelfControlexplosion-proofBox的"Start"AccordingKey,AdvancedStationElectromagneticValvePunchingOpen,OpenStart PouringDesignWhen30ClassBell,EntryChangeStationstatestate,systemautomaticDetectionCabinetDomesticpressureValue。
After the 30-minute purging period ends, when the internal pressure of the cabinet exceeds 100 Pa, the system enters normal operating status, and the purging solenoid valve closes.。ThereforeWhen,ThroughbesideLineEnergy-savingMainstreamValveToExplosion-proof Positive Pressure拒RepairStation(己EquipmentStable),MakeCabinetDomesticpressurestablein200—300PaPositionArea(Such aspressureInvinciblestableUpThroughEnergy-savingMainstream阈NextExternal的adjustNutadjustAdvancedStationMainstreamQuality,DirectlyAchievepressureValuestableinSolidStableIndexValueSupreme Namely Up),ThereforeWhenExplosion-proof positive pressure cabinetCommissioningPerfectComplete,UpWithEntireCabinetEnergizeoperation。
Usage Method
UseDuringExtentIn,ifpressureHigher than400PaWhen,thenLimitedPressureValvePunchingOpen,MakeCabinetDomesticpressureProtectionSupportinnormalWorking PressurerangePositionDomestic,preventionHigh PressurePunchCabinet; If pressurereduction,QuitepressureValueLowIn100PaWhen,systemEntryUndervoltageAlarmstatestate,explosion-proofAudible and Visual Alarm LampCanAlarm;ifpressureContinuereductionIn50PaWhen,thensystemEntryPower OffLinkedLockstatestate,CabinetDomesticContactorautomaticCutDeterminationPositive PressureCavitypower supply,explosion-proofAudible and Visual Alarm LampStillhoweverOneDirectlyAlarm,ThereforeForLowPressureProtection And ElectricalConnectLockDuringExtent。The alarm light can be deactivated via the "mute" button, but the system status will not change. Only by changing the internal pressure of the cabinet can the status of the positive-pressure self-control system be changed.。
Overhaulmethod
ifDemandEntireCabinetPower OffOverhaul,thenShouldAccordingSecondaryStopLocationsWithoperationload、Positive PressureCavitypower distributionsystem、ReturnOutputPositive PressureSelfControlsystem、Pay AttentionClosedAdvancedStationmanualValve,约5ClassBellAfter-salesStandbyPositive PressureCavityDomesticpressure Completely ExplainRelease,AspectUpPunchingOpenPositive PressureCavityCoverAdvanced Overhaul。
After maintenance is completed, when restarting the explosion-proof pressurized cabinet, steps 2 to 3 in this sequence should be repeated to perform purging, so as to prevent the presence of residual flammable gases inside the main chamber before power is supplied, which could lead to dangerous accidents.。