Sheet1Seal selection philospophyPumpingAPI 682ServiceServiceTemperatureCommentsSeal CodeNoRangeCategoryTypeArrgmtConfigPrimarySecondaryNotes1Fresh water, condensate0-100 C2Aa1CW-FL1161M2Sea Water0-80 C2Aa1CW-FL1161M Note62 May be required3Boiler Feed Water80-290 C2Aa2CW-FL2361M4Sour Water H2S >50 ppm0-80 C2Aa1CW-FL1161M5Sour Water H2S >200 ppm0-80 C2Aa2CW-CW2526Sour Water H2S >500 ppm0-80 C2Aa3CW-FB2537Sour Water H2S >2000 ppm0-80 C3Aa3CW-FB2538Brine0-802Aa1CW-FL11629Oily Water - Sump applicationsVS4 Pumps2Aa1NC-FX2Packed Gland, Dry Running Contacting Seal10Storm Water - Sump applicationsVS4 Pumps2Aa1NC-FX2Packed Gland, Dry Running Contacting Seal11Sea Water - Sump applicationsVS4 Pumps2Aa1NC-FX2Packed Gland, Dry Running Contacting Seal12Hydrocarbon -Non Flashing - Sump applicationsVS4 Pumps2Aa1NC-FX213Hydrocarbon - Flashing - Sump applications2Aa1CW-BB25314Hydrocabon - Non Flashing with H2S (low levels below 200 ppm)2Aa1CS-FX215Sea Water - Vertical Lift1Aa1CW-FL32Clean Water flush16Cooling Water0-80 C2Aa1CW-FL1161M17Process Water0-80 C2Aa1CW-FL1161M18Hydrocarbons - Non Flashing-40 C to -5 C2Aa1CW-FL1161M19Hydrocarbons - Non Flashing-5 C to 175 C2Aa1CW-FL1161M20Hydrocarbons - Non Flashing176 C to 259 C2Ca3CW-BB115321Hydrocarbons - Non Flashing>260 Cpossibly above auto ignition temperature2Ca1CW-BB115322Hydrocarbons - Non Flashingto a max of 450 CAbove auto ignition temperature3Ca1CW-BB235323Hydrocarbons - Flashing-5 C to 59 C2Aa2CW-CS117624Hydrocarbons - Flashing60 C to 175 C2Aa3CW-BB2 Note53Consider Plan 2325Hydrocarbons - Flashing176 C to 259 C2Ca3CW-BB2 Note53Consider Plan 2326Hydrocarbons - Flashing>260 C2Ca3CW-BB235327Hydrocarbons - Flashingto a max of 450 CAbove auto ignition temperature3Ca3CW-BB235328HydrocarbonsContaminated with H2Sas a minimum follow Sour Water with ppm H2S or hydrocarbon at operating temperature29HydrocarbonsContaminated with Benzene2Aa3CW-BB253Examples of Hydrocarbon Services30Naphtha0-80 C2Aa1CW-CS1176Check with process for H2S or Benzene present31Propane / Butane0-80 C2Aa3CW-FB115332Crude Oil0-80 C2Aa1CW-FL116533Crude Oil>200 CPosibility of Coking2Aa3CW-FB25334Diesel Oil0-80 C2Aa1CW-FL1161M35Kerosene0-80 C2Aa1CW-FL1161M36Molten Sulphur127 C2Aa1CW-FL1162Steam Quench37Corrosive Acid0-802Aa3CW-FB25338Sulphuric Acid0-802Aa1CW-FL116139Hydrofluoric Acid0-80Work with Pump Vendor / Seal Vendor40Caustic Acid (Low concentrations)0-802Aa1CW-FL116241Caustic Acid (High Concentrations)0-802Aa3CW-FB25342Benzene2Aa3CW-BB25343Amines0-240 C2Aa3CW-BB25344Lean MEG2Aa3CW-BB25345Rich MEG2Aa3CW-BB25346SlurriesWork with Pump Vendor / Seal VendorDual Seals shall be supplied in the following services:Hazardous servicesServices where a five year operation cannot be achieved with a single sealServices where it is not permitted to for the pumped liquid to enter the flare or atmosphereDual Pressuised Seals shall be applied for the following sevices as a minimumIf the available seal liquids are not compatible with the required seal conditions to obtain a 5 year lifeHazardous and Toxic servicesServices containing H2S which upon seal failure result in an H2S leakage rate to atmosphere exceeding 1 g/s.Fluids with a SG less than 0.7Operating temperatures higher than 200 CDry gas Seal Arrangements in pumps versus standard dual seal applications are subject to Company approval and shall be limited toA single liquid seal and a dry gas back up seal arrangement may be considered only for liquids not defined as Category 3Dual pressuized dry gas seal arrangements with a pressurized nitrogen barrier may only be considered for liquids that are not considered as hazardous, and have a maximum vapour pressure at pumping temperature if 1.05 bar(abs)

Sheet2

Sheet3