4 External Gear Principle CMD Series…IntroductionFive displacements to 20 GPM (75 LPM)Pressures to 150 PSI (10 Bar)Inert materials of constuction: ETFE casing, alumina ceramic shafting, PTFE gears, carbon or silcarb bushings, Viton® or EPDM O-Rings.US or Metric PortingNPT or ISO 7-1 (BSP) tapped ports (size 02, 05 & 12)ANSI or DIN compatible raised-face flanges (size 25 & 75)NEMA or IEC motor mounts (no bearing carrier option)External Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplications
5 External Gear Principle Mag Drive External Gear PrincipleIntroductionInner (driven) magnetsOuter (drive) magnetsMotor turns outer magnetsMagnetic force passes through canister to turn inner magnetsInner magnets turn drive gear shaftDrive gear turns driven gearLiquid carried by gears from suction to discharge portBushingsExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsDriven GearDrive GearContainment canisterNote: bottom shaft drive means with clockwise rotation suction is on left (viewed from head end), opposite of Viking SG pumps
6 External Gear Principle NomenclatureIntroductionCMD - E02 E L V F XExternal Gear PrincipleComposite Mag Drive SeriesSize:E02E05E12E25E75Bushings:L= CarbonB= SilCarbMounting:F= 56C (E02-E25)O= 143TC/184C (E02-E25)R= 182/184TC (E75)H= B14 63 (E02-E12)K= B14 80 (E02-E12)P= B14 100/ (E25-E75)Y= No Motor Mount KitOptions:A= Brg w/flush portN= w/o drive magnetX= complete pump, no optionsB= Combination of A and NSpecificationsFeatures and BenefitsO-Rings:V= Viton®E= EPDMMaintenanceMatl/Port:E= ETFE/NPT (E02, E05, E12)B= ETFE/ISO (E02, E05, E12)F= ETFE/Flange (E25, E75)AccessoriesApplicationsViton® is a Registered Trademark of DuPont Dow Elastomers
8 SpecificationsIntroduction60 Hz Motor Speeds, US-standard porting, NEMA Motor MountsFrameSizeSpeedCapacityPortsMotor MountsShipping WeightRPMGPMLPMTypeNEMA C-FlangeLbsKgCMDE0217500.41.51/4”FNPT56C42E055.83/8”56C, 143/145TC, 182/184C95E123.212.13/4”106E256.524.61”ANSI Flange2612E7520751-1/2”182/184TC44External Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessories50 Hz Motor Speeds, Metric-standard porting, IEC Motor MountsFrameSizeSpeedCapacityPortsMotor MountsShipping WeightRPMGPMLPMTypeIEC B-14 FlangeLbsKgCMDE0214500.341.31/4”ISO-7 (BSP)63, 8042E054.93/8”95E122.6103/4”6E255.5211”IEC Flange100, 1122612E7516.562.51-1/2”4420ApplicationsNote 182/184C motor for E02, E05 & E12 is a special, not a 182/184TC
9 External Gear Principle Specifications – GeneralIntroductionAttributeU.S. UnitsMetric UnitsMax. Differential Pressure150 PSI10 BarMax. Hydrostatic Pressure200 PSI14 BarViscosity Range28 to 25,000 SSU1 to 5,000 cStTemperature Range-20° to 150°F-29° to 65°CExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesATEX certification availableApplications
10 External Gear Principle Construction and OptionsIntroductionComponentStandard ConstructionOptionsCasing, Head, Casing Liner & CanisterETFE (Tefzel® Ethylene Tetrafluoroethylene)GearsCarbon-filled PTFE (Poly Tetrafluoroethylene)ShaftsAlumina CeramicFlange InsertsPTFEBushingsCarbon GraphiteCarbon-impregnated Silicon CarbideElastomersViton®EPDM (*Kalrez®)Motor Adapter and CoverPET (polyethylene terephthalate)FastenersStainless SteelDrive Magnet AssemblyNickel-plated Neodymium / steelDriven Magnet AssemblyETFE-Encapsulated NeodymiumExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplications*Kalrez available but not catalogedTefzel® is a Registered Trademark of E.I. du Pont de Nemours & Co Viton® is a Registered Trademark of DuPont Dow Elastomers Kalrez® is a Registered Trademark of DuPont Dow Elastomers
11 External Gear Principle LimitationsIntroductionTemperature-40° to 150°F (-40° to 65°C) with EPDM or VitonChemical CompatibilityCompatible with most liquids – compatibility chart included in catalogViscosity – Maximum 5,000 cSt.Liquids with solids or abrasives – Not recommended. Use strainer if solids are likely.Maximum hydrostatic pressure 200 psi (14 Bar). No integral relief valve. External relief valve strongly recommended.External Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplications
12 External Gear Principle Features and BenefitsIntroductionOne-piece bushings simplify replacement. Patent-pending spiral groove design causes flow through canister for cooling. Self-lubricating materials helps run dry capability.External Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsSplined drive shaft slides easily into inner magnet with no key or fasteners for easy front access
13 External Gear Principle Features and BenefitsIntroductionOuter magnet assembly nickel-plated to resist atmospheric corrosionReplaceable casing liner sleeve allows high efficiency over life of the pumpExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsInner magnet assembly completely ETFE-encapsulated. No liquid contact with magnets.O-Ring sealed, non-metallic canister minimizes heat from eddy currents and reduces power consumption.
14 External Gear Principle Features and BenefitsIntroductionSS external fasteners to resist atmospheric corrosionExternal Gear PrincipleSpecificationsOptional bearing flush port for cleaning availableFeatures and BenefitsMaintenanceAccessoriesReplaceable PTFE Raised Face Flange inserts help ensure liquid-tight port connections for aggressive chemicalsApplicationsClose-coupled design eliminates coupling and shaft guard for lower cost, smaller footprintCasing Drain standard on E05, E12, E25 & E75
15 External Gear Principle Features and BenefitsIntroductionShort-term run-dry capability integral to design:Spiral grooves in bushings provide superior lubricationSelf-lubricating bushing materials (Carbon Graphite or Carbon-impregnated Silicon Carbide)Non-metallic canister reduces eddy currents for less heatExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplications
16 External Gear Principle Features and BenefitsIntroductionExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsComposite materials and SS fasteners stand up to corrosive atmospheres (even if motor doesn’t)
17 External Gear Principle Motor MountsIntroductionClose coupled design eliminates coupling and guard. No bearing carrier option, so reducer or belt drive not possible. Use Variable Speed Drive for reduced speeds or process control.Consider air motor drive for explosive atmospheres or on-demand pump controlNo foot on models E02, E05 & E12 (use footed motors)Removable foot on models E25 and E75 (use either footed or non-footed motors)External Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsE05E75
18 External Gear Principle Mounting flexibility for tight spaces! Motor MountsIntroductionVertical mounting (motor up) allowable for smallest footprintSpiral grooves in bushings provide enough flushing action to evacuate air from canisterRotatable casing for vertical portingExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsMounting flexibility for tight spaces!
19 Maintenance Maintenance-friendly design with only 16 fabricated parts! IntroductionExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsMaintenance-friendly design with only 16 fabricated parts!
20 External Gear Principle Parts ReplacementIntroductionExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsFront access to all major parts allows replacement without removing pump from motor!
21 Accessories – Repair Kits IntroductionRepair Kits in price list - include key wear items:Gear/shaftsOne-Piece BushingsCasing sleeveO-ringsExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsRepair kit restores worn pump to original performance!
22 Accessories – Relief Valves IntroductionPressure relief valves strongly recommendedPVC or PVDF, NPT portsAdjustable spring-loaded diaphragmBottom relief port only on 1/2” & 1” sizes, 1-1/2” is straight through, tee off of discharge lineExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceDCBAAccessoriesDA (in)B (in)C (in)1/2”220.127.116.111”5.81.251-1/2”9.02.25ApplicationsSafety is critical when handling hazardous liquids!
24 External Gear Principle Typical ApplicationsIntroductionLiquidsStrong Acids and Bases – where chemical compatibility and no leakage requirede.g ethanol & biodiesel, metal finishing, pH controlChemicals where no air or water vapor infiltration is allowede.g. adhesives, liquids that crystallize or varnish at seal facesVolatile Organic Compounds – where no liquid leakage or vapor escape is allowede.g. pesticides, solvents, monomers, refined fuelsSalts, halogens and biocides – where corrosion on metal pump parts unacceptablee.g. brines, and iron salts and chlorine compounds in industrial water and wastewater treatmentExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplications
25 External Gear Principle Typical ApplicationsIntroductionApplicationsLiquid Transfer – storage to day tank, day tank to process, process to finished storage, transport tanker loading/unloadingMulti-liquid applications – where a pump is used on a variety of liquids – e.g. drum or tote pumping, chemical packagingChemical Metering - pH control, reactor feed, oxidation, disinfection, flocculationExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplications
26 External Gear Principle Liquids Pumped – current applicationsIntroductionAcetic AcidAcetylaldehydeAdhesive ConcentrateAlco GumAmmonia, AqueousBrineCalcium NitrateChlorine DioxideFerric ChlorideHexaneHydrochloric Acid – 20%Hydrochloric Acid – ConcentratedHydrogen Peroxide 30%Hydrofluosilicic AcidHypochlorous AcidIsopropyl AlcoholKymene (resinous paper additive)Magnesium ChlorideMineral of GumMixed AcidsNitric Acid – 50%Nitric Acid – 70%OrganicsParaffin based additivePeracetic AcidPerfumePhosphatePhosphoric AcidPhosphoric Acid – 85%Poly Aluminum ChloridePolymerSodium BisulfateSodium BisulfiteSodium CyanideSodium Hydroxide, <50%Sodium Hydroxide, ConcentratedSodium HypochloriteSulfuric Acid – 60%Sulfuric Acid – ConcentratedExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsLiquids in bold not pumpable with iron, steel or SS Pumps
27 External Gear Principle Use anywhere hazardous liquids are found! MarketsIntroductionChemical processingAcidulation, pH adjustment, reactor feedTank-to-tank transferChemical distributorsIndustrial water treatmentProcess water (pH control, oxidation, disinfection)Cooling water (pH control, disinfection)Wastewater (pH control, flocculation, disinfection)Pulp and PaperPulp bleaching with chlorine dioxideBiocide feedExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplicationsUse anywhere hazardous liquids are found!
28 External Gear Principle Geographic RestrictionsIntroductionUS Export Administration regulates pumps that can be used in manufacture of chemical or biological weaponsECCN 2B350 regulates sales of sealless fluoropolymer pumps (and parts) with flow rate >2.6 gpm to about 200 CountriesExporting to any of these countries without an export license is illegal and can result in fines and imprisonment. For list, seeExport license is possible, but it requires registration of end user’s name and addressSize 02 and 05 are below the gpm limit and are therefore exempt.External Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplications
29 External Gear Principle Your solution for hazardous liquids!IntroductionExternal Gear PrincipleSpecificationsFeatures and BenefitsMaintenanceAccessoriesApplications