Working & Maintenance Instructions - Varvel

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Working Instructions & MaintenanceDirective 94/9 CE (ATEX)9.7 Maintenance ServicingStrict observance of maintenance intervals is recommended to ensure appropriate working conditions and explosion-proofprotection.According to working conditions:Elimination of any dust accumulation thicker than 5 mm by means of a vacuum cleaner.Every 500 working hours or every month:Visual inspection of oil seals to monitor any lubricant leakage.Every 3000 working hours or every 6 months:Inspection of oil seals and replacement if worn-out.Every 5 years:Replacement of synthetic oil.9.8 Materials - Dangerous Zones - CategoriesCORRESPONDENCE AMONG MATERIALS, DANGEROUS ZONES AND CATEGORIES(ACCORDING TO DIRECTIVE 94/9/CE)MATERIALS DANGEROUS ZONES CATEGORIESGasVapourCloudZone 01GZone 1 1G 2GZone 2 1G 2G 3GZone 201DDustZone 21 1D 2DZone 22 1D 2D 3DVARVEL-ATEX Products to not supply- 30 -
Working Instructions & MaintenanceDirective 94/9 CE (ATEX)9.9 Gas Temperature ClassGAS TEMPERATURE CLASSGROUP T1 T2 T3 T4 T5 T6I*Natural gas(Firedamp)II AEthyl acetateMethyl acetateAcetoneAmmoniaBenzeneBenzolChlorine methyleneChlorine ethyleneEthaneMethaneMethanolCarbon monoxideNaphtalenePropaneTolueneXyleneButyl acetatePropyl acetateAmyl alcoholEthyl alcoholIsobutyl alcoholMethyl alcoholn-butyl alcoholAcetic anhydrideCiclohexanoneLiquefied petroleumgasNatural gasIso-PropaneMono amyl acetaten-ButaneCyclohexaneCyclohexanolDecaneHeptaneHexaneGasoilKeroseneNaphthaPentaneOil **acetaldehydeEthylic etherII BCoke gasWater gas1.3-butadieneEthyl benzeneEthyleneEthylene oxideSulphydric acidIsopreneOil **Ethylic etherII C Hydrogen Acetylene Ethyl nitratecarbon sulphide* - VARVEL-ATEX Products to not supply** - According to chemical composition- 31 -
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Working & Maintenance Instructions - Varvel

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