What issues should be noted when purchasing explosion-proof positive-pressure cabinets?
When purchasing explosion-proof pressurized enclosures, attention should be paid to whether the manufacturer's explosion-proof certificates and production qualifications are complete. Purchase explosion-proof pressurized enclosures with corresponding explosion-proof levels and models according to your own needs. Pressurized enclosures for gas explosion-proof and dust explosion-proof cannot be used interchangeably.。
Certificateproblem
Explosion-proof positive pressure cabinetbelong toSpecialVariousequipment，according toRegulations，ManufacturermusthaveExplosion-proof Certificate And Production LicenseAbilityAbilityFromMonitorProduction And Sales。Currently, CCC compulsory certification has been implemented in the explosion-proof industry. Starting from October 1, 2020, expiring or newly applied production licenses are converted to CCC certificates, replacing the previous explosion-proof certificates and licenses.。Reference《aboutExplosion-proof ElectricalEtc.ProductByProductionlicenseRotateForCompulsory Product CertificationManagementActualFacilitiesrequirements》。
Selectionproblem
UserinPurchase买When，needaccording toUseon-site的Explosion Hazardous AreaRegion And EnvironmentSelectPositive-pressure explosion-proof cabinettype，TogetherWithpx、pz、py、pD4Productiontype，WithExplosion-proof RatingAreaClass。For flammable gas environments, select px, pz, or py types. The px type can be used in Zone 1 and Zone 2 explosion-proof areas, the pz type can only be used in Zone 2, and the py type is currently not commonly used. For flammable dust environments, select the pD type.。Except that the px type can replace the pz type, the other types cannot be mixed or interchanged.。
Useproblem
Useron-sitemustCriticalWithAir Source，Air SourceForCleanAerospaceStation，pressure0.2Mpa～0.8Mpa， Generally 的InstrumentTableRiskThenUpWithmeet，nonInstrumentTableRisk的UserUpWithConfigureAerospaceStationcompressor。If the user's site cannot provide an air source, the pressurized explosion-proof cabinet cannot achieve the explosion-proof effect. It is recommended that users choose the flameproof type instead.。
Purchase买Process
FrontRegularTechnologyGullyVentilation→quotation→签OrderOverallSame→付StableMetallurgy→Drawing design→UserConfirmdrawings→OurAspectAccordingDiagramProduction→付tailModel→Shipping
