Edwards EH Mechanical Booster Pump

1 Instruction Manual EH Mechanical Booster pumps IdeaL vacUUm prOducts Sri (50S) 872-0037 ~ BOC Edwards Manor Royal, Crawley, West Sussex, RH10 2LW, UK Telephone: +44 (0) 1293528844 Fax: +44 (0) 1293533453 A301-51-880 Issue M Declaration of Conformity We, Boe Edwards , Manor Royal, Crawley, West Sussex RHlO 2LW, UK declare under our sole respons ibility that the product{s) EH250 Safe Area pumps EHSOOA Safe Area pumps EHl200 Safe Area pumps EHl200c Flameproof pumps EH2600 kW Safe Area pumps EH2600 11 kW Safe Area pumps EH2600C Flameproof pumps EH4200 75 kW Safe Area pumps 1-14200 11 kW Safe A rea pumps EH4200c Flameproof pumps A301-S1-93S, A301-53-935, A301-S2-936, A30l-S4-936 A302-71-935, A302-73-935, A302-72-396, A302-74-936 A30S-90-935, A30S-92-935, A305-91-936, A305-93-936 A305-55-900, A30S-56-982 A307-51-935, A307-53-935, A307-52-936, A307-54-936 A307-51-946, A307-S2-982 A307-55-900, A307-56-982 A309-S1-935, A309-53-935, A309-52-936, A309-54-936 A309-S1-946, A309-S2-982 A309-55-900, A309-56-982 to w h ich this declaration relates is in conformity with the following s tandard(s) or other normative document(s)}

2 BS 4999 Part 145 : 1987 EN 50014 EN 50018 following the provisions o f 98/37/EC 89/336/EEC 73/023/EEC 79/196/EEC General Requirements for Rotating Electrical M achines. Electrical Apparatus for Potentially Explosive Atmospheres. Part 1 : General Requirements. Electrical Apparatus for Potentially Explosive Atmospheres. Part 5 : Flameproof Enclosure 'd'. Machinery Safety Directive. Electromagnetic Compatibility Directive. Low Voltage Directive. Electrical Apparatus for Use in Potentially Explosive Atmospheres Directive . Only applicable to the flameproof motors on EH1200c, EH2600c and EH4200c pumps . II I' BOC Edwards Itr,q,oo ~ Date and Place CONTENTSS ection TitlePage1 and 'C' model chemical EH of fluid-coupling32 TECHNICAL backing purge connection (EH1200C/2600C/4200C only) purge nitrogen supply (EH1200C/2600C/4200C only) and vibration Numbers173 and the pump with (EH1200, EH2600 and EH4200 pumps only) connections (EH1200, EH2600 and EH4200 pumps only) supply the direction of pump the coupling-cover purge nitrogen supplyEH1200C/2600C/4200C only) the pump-inlet and evacuation of coupling-cover (optional)294 safety30EH Mechanical Booster PumpsiIPSITECH8030-02 Section the the pump the pump the rear-bearing (EH250 and EH500A pumps only)

3 356 STORAGE AND SERVICE AND OF BOC Edwards EQUIPMENTT ablesTable TitlePage1 Lubrication capacities (litres)62 Full load current ratings163 Item Numbers174 Electrical supply connection configurations235 Maintenance plan23iiEH Mechanical Booster PumpsIllustrationsFigure TitlePage1 EH250/500A Mechanical Booster pumps (part cut-away)42 EH1200/2600/4200 Mechanical Booster pumps (part cut-away)53 EH250 dimensions (mm)74 EH500A dimensions (mm)75 EH1200 dimensions (mm)86 EH1200C dimensions (mm)97 EH2600/4200 ( kW) dimensions (mm)108 EH2600 (11 kW) dimensions (mm)119 EH2600C dimensions (mm)1210 EH4200 (11 kW) dimensions (mm)1311 EH4200C dimensions (mm)1412 Sight-glasses2113 Electrical supply connection: EH250/500A/1200/2600/4200:220 to 240 V, 50 Hz2414 Electrical supply connection: EH250/500A/1200/2600/4200:380 to 415 V, 50 Hz2415 Electrical supply connection: EH250/500A: 208 to 230 V, 60 Hz2516 Electrical supply connection: EH250/500A/1200/2600/4200: 460 V, 60 Hz 2517 Electrical supply connection: EH1200/2600/4200.

4 208 to 230 V, 60 Hz 2618 Lubricate the rear bearing (EH250/500A pumps only)36 Associated publicationsPublication titlePublication NumberVacuum pump and vacuum system safetyP300-20-000EH Mechanical Booster Pumpsiii(This page deliberately left blank)ivEH Mechanical Booster Pumps1 Scope and definitionsThis manual provides installation, operation and maintenance instructions for the BOCE dwardsEH250,EH500A,EH1200,EH2600andEH420 0(safearea)MechanicalBoosterPumps,andthe EH1200C,EH2600 CandEH4200C(chemical)MechanicalBoosterPu mps. AllofthepumpsareabbreviatedtoEHpumpsinth eremainderofthismanual. YoumustuseyourEHpump as specified in this ; of WARNINGS and CAUTIONS is defined are given where failure to observe the instruction could result in injury or deathto are given where failure to observe the instruction could result in damage to theequipment, associated equipment and thismanualconformtotheSIinternational , , (perfluoropolyether)oilsarealsoavailable forvacuum systems in which oxygen or other reactive or corrosive gases are the EH pumps have ISO inlet-flange and outlet-flange Mechanical Booster General a three-phase electric motor through a hydrokinetic ,EH500A,EH1200, EH1200C, EH2600C and EH4200C pumps are all fitted with flameproof motors (seeSection ).

5 All of the motors are ,corrosion-resistant, external shaft-seals are made of polytetrafluoroethylene (PTFE) or , , ,EH1200C,EH2600,EH2600C,EH4200andEH4200 Cpumpsarelubricatedbyoilinsidethegear-co ver. Anoil-fillerconnectionisprovidedandyouca ninspectthe oil-level through a sight-glass fitted to the 'C' model chemical EH Flameproof motorsThe EH1200C, EH2600C and EH4200C chemical pumps are all fitted with flameproof motors: Pumpssuitablefor50 Hzoperationarefittedwithaflameproofmotor approvedtoEExd,Gas Group IIA, IIB, Temperature Class T4. Pumpssuitablefor60 Hzoperationarefittedwithaflameproofmotor approvedtoCSA,Division1area,GasClassIGro upC&D,andDustClassIIGroupF&G,Temperature Class Coupling-cover purgeApipelineconnectorisprovidedontheco upling-coveroftheEH1200C, ,toprovideforcoupling-coverpurgewithnitr ogenatpositivepressure.

6 Thiswillpurgetheshaft-seals,andpreventth eentry of corrosive or toxic vapours into the coupling-cover and the After-coolerTheEH1200C, ,thisafter-coolerisresistanttocorrosivev apourswhichmay condense on it during pump operation (depending on the application).2EH Mechanical Booster Principle of ,accuratelygauged, Hydrokinetic fluid-couplingThehydrokineticfluid-coupl ingconnectstheelectric-motorshafttothero tor. Thissystemisconfiguredsothatwhenthegas-l oadishigh, ,therotorsacceleratetofullspeed. Thisallowscontinuousoperationofthepumpov erthevacuumrangewithouttheriskofoverload ingthemotorandremovestheneedfor bypass-valves and associated (forhydrocarbonandPFPE oils)havefluid-couplingdriveswhicharespe cificallydesignedforthetypeofoilusedinth e Mechanical Booster Pumps34EH Mechanical Booster PumpsFigure1-EH250/500 AMechanicalBoosterPumps(partcut-away)1.

7 Terminal-box2. Shaft-sealreservoirventedoilfiller-plug3 . Coupling-coveroilfiller-plug4. Inlet-flange5. Externalevacuationpoint6. End-cover7. Rotors8. Statorhousing9. Oildrain-plug(underthepump)10. Directionofrotationsight-glass11. Oil-levelsight-glass(coupling-cover)12. Oil-levelsight-glass(shaft-sealreservoir )EH Mechanical Booster Pumps5A EH2600(C)&EH4200(C) pumpsB EH1200(C)pump(detail)1. Terminal-box*2. Shaft-sealreservoirventedoilfiller-plug3 . Cooling-waterconnection4. Coupling-coveroilfiller-plug=5. Inlet-flange6. Gear-coveroilfiller-plug7. Cooling-waterconnection8. Oil-levelsight-glass(gear-cover)9. Gear-coveroildrain-plug(underthepump)10. Rotors11. Statorhousing12. Coupling-coveroildrain-plug(underthepump )13. Directionofrotationsight-glass(EH1200onl y)14.

8 Oil-levelsight-glass(coupling-cover)15. Oil-levelsight-glass(shaft-sealreservoir )16. MotorfancoverFigure2-EH1200(C)/2600(C)/4 200(C)MechanicalBoosterPumps(partcut-awa y)* EH1200/2600/4200shown. Onthe'C'modelpumps,theterminal-boxisonth esideofthepump-motor=EH1200/2600/4200pum psonly. Onthe'C'modelpumps,thisisacombinedcoupli ng-coveroilfiller-plugandpurgeconnector2 TECHNICAL GeneralOverall dimensionsSee Figures 3 to 11 MassEH25061 kgEH2600, kW 308 kgEH500A 74 kgEH2600, 11 kW 345 kgEH1200 149 kgEH2600C415 kgEH1200C 170 kgEH4200, kW 380 kgEH4200, 11 kW 415 kgEH4200C485 kgAmbient operating temperature range5 to 40oC (see Note 1 below)Storage temperature range-10 to 80oCMaximum operating humidity90% RHProtection degree (as defined by IEC 529) IP44 Recommended cooling-water flow(with inlet temperature of 20oC)EH1200/EH1200C120 lh-1(see Note 2 below)EH2600/EH2600C250 lh-1EH4200/EH4200C250 lh-1 Recommended cooling-water supply pressure 2 to 6 bar gauge (3 to 7 bar absolute,3 x 105to 7 x 105Pa)

9 Recommended oil typeHydrocarbon pumpsUltragrade 20 (see Note 3 below)PFPE pumpsFomblin YVAC 16/6 (see Note 3 below)Recommended grease type(for use with EH250/EH500A pumps ) Fomblin RT15 (see Note 3 below)Oil capacitySee Table 1 belowEH250 EH500A EH1200/EH1200 CEH2600/EH2600 CEH4200/EH4200 CGear-cover- - 1 - Lubrication capacities (litres)Note 1: For operation outside this temperature range contact BOC Edwards for advice. Between-30oC and 5oC, special precautions must be 2: YoucanoperatetheEH1200/EH1200 Ccontinuouslywithoutcooling-waterifthein letpressureis kept below 5 mbar (5 x 102Pa) and the pumpdown time is no longer than 10 3: Mechanical Booster PumpsEH Mechanical Booster Pumps7 Figure3-EH250dimensions(mm)Figure4-EH500 Adimensions(mm)1.

10 Liftingpoint1. Liftingpoint8EH Mechanical Booster PumpsFigure5-EH1200dimensions(mm)1. LiftingpointEH Mechanical Booster Pumps9 Figure6-EH1200 Cdimensions(mm)1. Liftingpoint10EH Mechanical Booster PumpsFigure7-EH2600( )/4200( ) dimensions(mm)EH260012731093402312370220 185110290275 EDCBAEH42001. LiftingpointEH Mechanical Booster Pumps11 Figure8-EH2600(11kW)dimensions(mm)1. Liftingpoint12EH Mechanical Booster PumpsFigure9-EH2600 Cdimensions(mm)1. LiftingpointEH Mechanical Booster Pumps13 Figure10-EH4200(11kW)dimensions(mm)1. Liftingpoint14EH Mechanical Booster PumpsFigure11-EH4200 Cdimensions(mm)1. PerformanceRotational speed (50 Hz supply)0 to 2900 speed (60 Hz supply)0 to 3500 pressure (single-stage backing pump,with gas-ballast)2 x 10-2mbar absolute (2 Pa)Ultimate pressure (single-stage backingpump without gas-ballast, permanent gases) 2 x 10-3mbar absolute (2 x 10-1Pa)Total pressure (two-stage backing pumpwith gas-ballast)1 x 10-3mbar absolute (1 x 10-1Pa)Maximum outlet pressure (see Section ) 1000 mbar absolute (1 x 105Pa)Pressure differential across pump (determined by the hydrokinetic drive)