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B31.1Con struction Installation and OperatingMan ual
ReadthisM anualBeforeInstalling T hisma nual provides information on the B40 Sealed ExternalC age Liquid LevelSwitch.It isimportantthat all instructions are read carefullyand followedin sequence. Detailed instructions are included in the Installationsection ofthism anual. ConventionsUsed in thisMan ual Certain conventions areused in thism anualto convey specifictypesofinform ation.Generaltechnicalmaterial, support data,and safety information arepresented in narrative form .The following stylesareused fornotes, cautions,and warnings. Notes Notescontain information thataugmen tsor clarifies an operatingstep. Notes do not normallycontain actions.Th ey follow the proceduralsteps to w hich theyrefer. Cautions Cau tionsalertthe techniciantospecialconditionsthat couldinjurepersonnel,dam age equipment,or reduce a compo nent’sme chanicalintegrity.C autionsarealso used to alertthe technicianto unsafepracticesor the need for specialprotectiveequipment or specific ma terials.In thism anual,a caution box indicatesa potentiallyhazardous situationw hich,ifnotavoided, ma y resultin m inororm oderate injury. Warnings Wa rningsidentifypotentially dangeroussituations or serioushazards.Inthism anual,a warningindicatesan imminently hazardoussituation w hich,ifnotavoided, couldresultin seriousinjuryordeath. WA RNING! Explosion hazard. Do not connect or disconnectequipme ntunlesspow erhasbeenswitched off orthe areaisknown tobe non-hazardous. Low VoltageDirective For use inCategoryIIinstallations.Ifequipmentisused in a m anner not specifiedby m anufacturer,protection provided by equipme ntmay be impaired. No tice ofC opyrightand Limitations C opyright© 2009 M agnetrolInternational Allrightsreserved. Magne trol reserves the right to m ake changes to the product described in thism anualat any time w ithout notice.Magn etrolm akesno w arranty w ithrespectto the accuracyofthe information inthism anual. Warranty AllM agnetrolm echanicalleveland flow controlsarew ar - ranted freeofdefectsinm aterialsorw orkmanshipforfive fullyearsfrom the date oforiginalfactoryshipment. Ifreturned w ithin thewarrantyperiod;and,upon factory inspection of the control,the cause of the claim is determined to be covered under the w arranty; then, Magne trolw illrepairorreplacethe controlatno costto thepurchaser(orow ner) otherthan transportation. Magne trol shallnot be liablefor m isapplication, labor claims,directorconsequentialdamage orexpensearising from the installation or use of equipment.T here are no other w arranties expressed or implied, except specialw ritten w arrantiescovering som eM agnetrolprod - ucts. Qua lityAssurance The quality assurance system inplace atMagn etrolguar - anteesthehighestlevelofqualitythroughoutthe compa - ny. M agnetrol is comm itted to providing fullcustome r satisfaction both in quality products and quality service. Magne trol’s qualityassurance system is registered to ISO 9001 affirming its com m itment to know n international quality standardsproviding the strongest assurance of product/service quality available.
46-602 B40 LiquidLevelSwitches B40 SealedExternalCage Liquid LevelSwitches Table ofContents
1.0 Introduction
2.0 Installation
3.0 PreventiveMaintenance
3.1.2 Inspectswitchm echanisms,terminals,
4.0 R eferenceInformation
4.5.1 PartNumbe rIndustrial
4.5.2 PartNumbe rASM E
Magne trol'sB40 levelswitchesarespecificallydesigned for extrem elyhighpressure,hightem peratureservice conditions found principallyinpowerplants,petroleum and petro - chemicalrefineries,and nuclearpow erinstallations. Ca ution: Ifequipmentis used ina ma nnernot specifiedby ma nufac - turer,protection provided by equipment ma y be impaired.
1.1 PrincipleofOperation
The designofM agnetrolfloat-operated levelswitchesis based upon the principlethata magn etic fieldwill“see through” non-magneticmaterialssuch as316 stainlesssteel. In thiscase,the floatmo vesa magn eticattraction sleeve(1) withina non-m agnetic enclosing tube (2) and actuates a switch m echanism (3).T he enclosing tube providesa pressure sealtothechambe rand,therefore,to the process.
1.2 OperatingCycle
As theliquid leveldecreasesinthechambe r,referto Figure 1, the floatm ovesthe magn etic attraction sleeveup, withintheenclosingtube,and intothe fieldofthe switch me chanism magn et.As a result,the magn etisdrawn in tightlytotheenclosing tube causing the switch totrip, “m aking” or“breaking” an electricalcircuit.Asthe liquid levelrises,the floatm ovesthe attraction sleeveoutofthe magn eticfield,releasingthe switch ata predetermined low level(see Figure 2) .The tension spring ensuresthereturn of theswitch in a snap action.
2.1 Unpa cking
Unp ackthe instrum entcarefully,inspecting fordamage. Reportany concealed damage to thecarrierw ithin 24 hours.Check thecontentslisted on thepacking slip and purchase order.Ch eck and record theserialnumbe r forfuture referencew hen ordering parts. 4 46-602 B40 LiquidLevelSwitches 5 64 Mercury Switch Pivots Tension Spring Swing-In Position Float Pivot 5 64 Swing-Out Position Figure1 Switch Tripped Figure2 Switch Re leased
2.2 Piping
Figure 3 show sa typicalpiping installation ofa Mode lB40 ina pipelineto a pressurevessel.Reference lines,on float cham ber,shouldbe aligned to correspond w ith liquid level inthe vesselatwhich switch controlisdesired (referto dime nsionaldrawing,iffurnished).U se pipeofsufficient strength to supporttheunit.Ifnecessary,provide a stand orhangertohelp supportitsweight.Allpipingshouldbe straightand freeoflow spotsorpocketsso thatthelower liquidlinewilldraintowardsthevesseland the uppervapor linewilldraintowardsthe control.Pipelineshouldbe insulat - ed,asshown, tom inimizelossofliquidtempe ratureand furthercontroloftheheatinthearea oftheswitchhousing. DO NOT insulate switch housingorfloatcham ber. NO TE: Manu facturer recom m ends that whe n we lding chrome -moly steelpiping,the procedures used conform toAWS- D10.8-61. Cau tion: DO N OT INSUL ATE SWITCH MECHANISM HOU SING.
2.3 Mounting
Cau tion: Thisinstrum entis intended foruse inInstallation CategoryII , Pollution De gree 2 locations. Before welding,adjustpiping to bring controltoa vertical position.B40 levelcontrolsrequirethatthe enclosingtube be mo unted withinthree degreesofverticalin alldirections. A three degree slantisnoticeableby eye,butinstallation shouldbe checked using a spiritlevel. 546-602 B40 LiquidLevelSwitches Rising Level Falling Level Pressure equalizing line to pressure vessel Liquid equalizing line to pressure vessel must be vertical to within three degrees Do not insulate chamber, fins, or switch housing Inlet line to chamber Vent line from chamber Conduit connection to switch shousing Reference lines for switch actuating levels 1" schedule 80 beveled in-line weld nipples for attaching control to system (typical) Figure3
2.4 Wiring
Ca ution: Levelcontrolsareshippedfromthe factorywith theenclosing tube tightened and the middle set screw,on the housing base,locked to the enclosing tube.Failuretoloosen the set screw priorto repositioning the conduitconnectionmay cause the enclosing tube to loosen,resultinginthe possible leakage ofthe process liquidorvapor. Mo stB40 levelcontrolsw itch housingsare designed to allow360° positioning ofthe conduitoutletby loosening thesetscrew(s) located underthe housing base.High temp eraturew ire mu stbe used betw eencontroland first junction box located ina coolerarea. N OTE: A sw itchor circuitbreaker shallbe installed inclose proximity to equipme nt and within easy reach of operator.It shallbe m arked as thedisconnecting device forequipment. 1. T ogain accessto switch m echanism ,remo vesw itch housing cover. 2. Pullinsupplywires(conductors),w rapthem around enclosing tube underthe baffleplateand connectto properterm inals.Be certain thatexcessw ire doesnot interfere withtiltofswitch,and thatadequateclearance existsforreplacem entofswitch housing cover. N OTE: For supply connections ininstallationswithambient temp era - tureup to+70° C,use w irew itha minimum rating of+75° C as required by process conditions. Installations with ambient temperatures up to +80° C requirewirewitha minimum rating of+8 5°C as required by process conditions.Use a minim um of 14 AWG w ireforpowe rand ground fieldwires. N OTE: See Figure 4 or bulletin on switch me chanism furnished for proper term inal connections. Sw itch bulletin numbers are listedin thechartbelow. 3. Con nectpow ersupplyto controland testswitch action by varying liquid levelin floatchambe r.Ifsw itch me chanism failsto function,check verticalalignme nt ofcontroland consultinstallation instructionsinswitch me chanism bulletin. 6 46-602 B40 LiquidLevelSwitches Internal Circuit (Right) Switch1 Load Load Close on low level Common Close on high level Line Internal Circuit (Left) Switch Load Load Close on low level Common Close on high level Line Figure4 Switch Series Letter Description Bulletin No. A StandardMercury Switch 42-683 3,L Mercury Switchw/Beaded Leads C,D,S Dry ContactSwitch 2,E,L VibrationResistantMercury Switch F HermeticallySealedSnap Switch HS HermeticallySealedSnap Switch 42-694 R High TemperatureSnap Switch 42-799
- Replaceswitch housingcoverand placecontrolintoservice. Ifcontrolhasbeen furnished w ith NEMA 7/9 explosion proof(cast) orNEMA 4 m oistureproof(gasketed) switch housing,check the following: 1. Afterwiring connectionshavebeen comp leted,housings mu stbe sealedattheconduitoutletw itha suitablecom - pound toprevententrance ofair. 2. Check coverto basefittobe certain gasketed jointistight. A positivesealisnecessaryto preventinfiltration ofmois - tureladen airorcorrosivegasesinto switch housings.
3.0 Preventive Maintenance
Periodicinspections area necessarymean sto keep your Magne trollevelcontrolin good wo rking order.T hiscontrol isa safetydevice toprotectthe valuableequipme ntitserves. A system atic program ofpreventivem aintenancemu stbe impleme nted w hen the controlisplaced intoservice.If thefollowingisobserved,yourcontrolw illprovide reliable protection ofyourcapitalequipm entform any years.
3.1 What todo
3.1.1 K eep controlclean
Be surethe switch housing coverisalwaysinplaceon the control.Thiscoverisdesigned to keep dustand dirtfrom interferingwith switch me chanism operation.In addition, itprotectsagainstdamaging m oisture,and actsasa safety feature by keeping bare wiresand terminalsfrom being exposed.Shouldthehousing coverorany sealsbecome dam aged orm isplaced,obtain a replacem entimmed iately.
3.1.2 Inspectswitch me chanisms ,terminals,and
a. Mercuryswitchesma y be visually inspected forshortcircuit dam age.C heckforsma llcracksinthe glasstube containing the m ercury.Such crackscanallow entranceofairintothe tube causingthe m ercurytooxidize.Thisisnoticeableas the m ercury willappeardirtyordull,and willnotbreak intoclean,round pools.Iftheseconditionsexist,replacethe me rcury switch imme diately. b. Dry contactswitchesshouldbe inspected forexcessivewear on actuatingleverorm isalignm entofadjustmentscrew at pointofcontactbetween screw and lever.Such w earcan cause falseswitchactuating levels.Replace switchme cha - nism ifwearorm isalignm entareapparent. 746-602 B40 LiquidLevelSwitches
c. DO NOT operate your controlw ithdefectiveorm al- adjusted switchme chanism (refertobulletinon switch me chanisms furnished forservice instructions). d. Magne trolcontrolsm ay some time sbe exposedto excessive heatorm oisture.U ndersuch conditions,insulation on electricalwiring m ay become brittle,eventuallybreaking orpeelingaway.T he resulting barew irescan cause short circuits.Che ck wiringcarefullyand replace atthe firstsign ofbrittleinsulation. e. Vibration m ay som etimescauseterminalscrews to w ork loose.Check allterm inalconnectionsto m akecertain that screws are tightened. N OTE: As a m atterofgood practice,spareswitches shouldbe kepton hand atalltimes.
3.1.3 Inspectentireunitperiodically
Isolate controlfrom vessel.Raiseand lowerliquid levelto check forsw itch contactand reset.
3.2 What toavoid
- Neverleaveswitchhousing coveroffthecontrollongerthan necessarytom akeroutine inspections. 2. Neverplacea jum perw ire acrossterm inalsto “cut-out”the control.Ifa “jum per” isnecessaryfortestpurposes,be cer - tain itisremo ved beforeplacing controlinto service. 3. Neverattem pttom akeadjustmen tsorreplaceswitches withoutreadinginstructionscarefully.Ce rtain adjustments provided forinlevelcontrolsshouldnotbe attem ptedin thefield.Whe n indoubt,consultthefactoryoryourlocal representative. 4. Neveruse lubricantson pivotsofswitch m echanism s. A sufficientam ountoflubricanthasbeen applied atthe factoryto ensure a lifetime ofservice.Furtheroilingis unnecessaryand w illonlytend to attractdustand dirt which can interferew ithmechanism operation. 8 46-602 B40 LiquidLevelSwitches
4.0 Reference Information
4.1 Troubleshooting
Usuallythefirstindication ofimproperoperation isfailure ofthecontrolled equipme ntto function,i.e.,pump w illnot start(orstop),signallampsfailtolight,etc.W hen these sym ptom soccur,whetherattime ofinstallation orduring routineservice thereafter,check the following potential externalcausesfirst. a. Fusesm ay be blown. b. Resetbutton(s) m ay need resetting. c. Powerswitch m ay be open. d. Con trolled equipmen tm ay be faulty. e. Wiringleading tocontrolmay be defective. Ifa thorough inspection ofthesepossibleconditions failsto locatethetrouble,proceed nextto a check ofthe control's switch m echanism .
4.1.1 C heck switch me chanism
- Pulldisconnectswitch orotherwise disconnectpowerto thecontrol. 2. Rem oveswitchhousing cover. 3. Disconnectpow erwiring from switch assembly. 4. Swingma gnetassem blyinand outby hand tocheckcarefully forany signofbinding.Assem blyshouldrequire minimal forceto m ove itthrough itsfullswing. 5. Ifbinding exists,m agnetm ay be rubbing enclosing tube. Ifm agnetisrubbing,loosenmagn etclamp screw and shift magn etposition.R etighten magn etclamp screw. 6. Ifswitch m agnetassem blyswingsfreelyand m echanism stillfailstoactuate,check installation ofcontroltobe certainitisw ithin the specified threedegreesofvertical. (Use spiritlevelon side ofenclosing tube in two places, 90° apart.)R efertoFigure 3 on page5. 7. Ifm echanism isequipped witha me rcury switch,exam ine glassm ercurytube closelyaspreviouslydescribed in Section 3.0 P reventive Ma intena nce ( page7). Ifsw itch is dama ged,replaceitimme diately.Ifmicroswitch,check continuity with ohmm eter. 8. Ifswitch m echanism isoperating satisfactorily,consult factory. 946-602 B40 LiquidLevelSwitches
10 46-602 B40 LiquidLevelSwitches
4.2 Agency Approvals
IECInstallationInstructions: The cableentryand closingdevicesshallbe Ex d certifiedsuitablefortheconditionsofuse and correctlyinstalled. For ambienttemperaturesabove +55° C orforprocesstemperaturesabove +150°C,suitable heatresistantcablesshallbe used. Heat extensions(betweenprocessconnectionand housing)shallneverbe insulated. Specialconditionsforsafeuse: When theequipment isinstalledinprocesstemperatureshigherthan+85° C thetemperature classificationmust be reduced accordingtothefollowingtableas per IEC60079-0. AGENCY APPROVED MODEL APPROVAL CLASSES FM Allwithan electricswitchmechan ism and a housing ClassI,Div1,Gr oups C & D listedas Type 4X/7/9 ClassII ,Div1,Gr oups E,F & G Allw ithan electricswitchmechan ism and a housing ClassI,Div1,Gr oups B,C & D listedas Type 4X/7/9ClassI,Div1,Group B ClassII ,Div1,Gr oups E,F & G CSA Allwitha Series2,3,F ,L orHS electricswitchmechanism ClassI,Div2,Gr oups B,C & D and a housing listedas CSA Type 4X Allw ithan electricswitchmechan ism and a housing ClassI,Div1,Gr oups C & D listedas Type 4X/7/9 ClassII ,Div1,Gr oups E,F & G Allw ithan electricswitchmechan ism and a housing ClassI,Div1,Gr oups B,C & D listedas Type 4X/7/9ClassI,Div1,Group B ClassII ,Div1,Gr oups E,F & G ATEX /IEC Ex Allwithan electricswitchmechan ism and an ATEX II 2 G EEx d II C T6 ATE X housin g IECEx Ex d II C T6 CE Low Voltage Directives73/23/EEC & 93/68/E EC InstallationCategoryII PerH armo nized Standard: PollutionDegree 2 EN 6101 0-1/1993 & Am endm entNo. 1 Maximum Process Temperature Temperature Classification < 85° C T6 < 100° C T5 < 135° C T4 < 200° C T3 < 300° C T2 < 450° C T1 These unitsareinconformitywithIECExKEM 05.0020X ClassificationEx d II C T6 Tambient -40°C to+70° C
11 46-602 B40 LiquidLevelSwitches
4.3 Replacement Parts
IMPORTANT: When ordering,pleasespecify: A. Model and serialnumber ofcontrol. B. Name and number ofreplacementassembly. Co nnections: 1"or 1 1⁄2 "SocketW eld 1"Schedule80 Be veled WeldingN ipples Item D escription M odel B 40-1C50 B 40-1F30 B 40-1B 60 B 40-PF30 B 40-PB 6 0 B 40-3C30 B 40-PC30 B 40-PC20 B 40-5C20 B4 0-HF30 B4 0-HB 6 0 B 40-4C40 B 40-PC40 B40-HC40
1 H ousing Cover
R efertobulletin42-683, 42-694or42-799 2 H ousing Base
3 Sw itchm echanism
4 Jam nut(s) 10-2106-004 (qty.4)
5 Attraction sleeve 32-4203 -001 04-4511-002
6 E-tube gasket 12-1204-001
7 Enclosing tube 32-631 2-001 32 -6 346- 003 32 -6 357-002 32-6308 -002 32-6357- 003
8 O-ring 12-2201-215 N/A 12-2201-215 N/A N/A
9 Floatcham ber assem bly ConsultFactory
12 46-602 B40 LiquidLevelSwitches
4.4 Specifications
4.4.1Dime nsionalInches (mm ) E E Plugged 7.56 (192) 19.62 (498) 4.75 (121) 6.63 (168) O.D. 9.50 (241) CL 1 " Socket weld 0.50 (13) Rising level 0.50 (13) Falling level Rotation clearance B A 7.19 (182) C D 8.50 (215) 1 2⁄ 1 " Socket weld1 2⁄ 0.50 (13) Falling level 0.50 (13) 5.56 (141) 8.30 (211) 7.18 (182) 7.19 (182) 19.88 (504) Rotation clearance 4.18 (106) 4.15 (105) 1" Socket weld CL 1" Socket weld Rising level A C D E Plugged B E Rotation clearance A C D 5.06 (129) 10.12 (257) 6.63 (168) O.D. 22.38 (568) 9.06 (230)11/2" Socket weld 11/2" Socket weld CL 9.50 241 E Plugged 7.19 (182) B 0.50 (13) Rising level 0.50 (13) Falling level E B 40-4C40 B 40-5C2 0 B 40-3C30 O utlineDimen sions Housing ABCD E NEMA 4X 4.64 3.25 6.8 2 8.50 3 ⁄4" NP T Carbon steel (117) (82) (173) (215) Singleconduit NEMA 4X/7/9 5.62 5.25 8.8 8 10.50 1"NPT Castiron (142) (133) (225) (266) Singleconduit NEMA 4X/7/9 5.93 3.87 8.46 10.12 1"NPT D ie-castaluminum (150) (98) (214) (257) Dual conduit
13 46-602 B40 LiquidLevelSwitches 4.4.1Di me nsionalInches (mm )( con tinued ) B40-1F30 and B40-2F30 8.00 (203) 5.56 (141) O.D. B40-1F30 17.88 ± .19 (454 ± 5) B40-2F30 18.63 ± .19 (473 ± 5) B40-1F30 6.68 ± .19 (169 ± 5) B40-2F30 7.06 ± .19 (180 ± 5) 1" Schedule 80 beveled nipple CL 4.50 (114) 14.50 (368) 1" Schedule 80 beveled nipple Rotation clearance A B E E Plugged C D 7.19 (182) 0.50 (13) Falling level 0.50 (13) Rising level B 40-1B 60 and B40-2B60 7.19 (182) 0.50 (13) Falling level 0.50 (13) Rising level B40-1B60 6.68 ± .19 (169 ± 5) B40-2B60 7.06 ± .19 (180 ± 5) 1" Socket weld B40-1B60 17.88 ± .19 (454 ±5) B40-2B60 18.63 ± .19 (473 ± 5) 5.56 (141) O.D. CL 5.62 (143) 1" Socket weld 15.62 (396) Rotation clearance C D B 8.00 (203) E E Plugged A NO TES: 1. Allow8 in(203 mm) overheadclearanceforcoverremoval. 2. Maximum ambienttemperatureatswitchhead shouldnot exceed +140°F (+60°C). B 40-1C50 19.63 (499) 7.07 (180) 1" Weldolet 5.37 (136) 9.75 (248) 4.88 (124) 1" Weldolet 8.50 (216)7.19 (132) Plugged Rotation Clearance 6.63 (168)CL Rising Level Falling Level 0.50 (13) 0.50 (13) A B C D E E
19.62 (498) 7.56 (192)11/2" Socket Weld 9.50 (241) 6.62 (168) 4.75 (121) 1 " Socket Weld1 2⁄ CL Rotation Clearance Rising Level 0.50 (13) Falling Level 0.50 (13) 8.50 (215) 7.19 (182) Plug C B E A D 14 46-602 B40 LiquidLevelSwitches 4.4.1Dime nsionalInches (mm )( con tinued ) O utlineDimen sions Housing ABCD E NEMA 4X 4.64 3.25 6.8 2 8.50 3 ⁄4" NP T Carbon steel (117) (82) (173) (215) Singleconduit NEMA 4X/7/9 5.62 5.25 8.8 8 10.50 1"NPT Castiron (142) (133) (225) (266) Singleconduit NEMA 4X/7/9 5.93 3.87 8.46 10.12 1"NPT D ie-castaluminum (150) (98) (214) (257) Dual conduit B 40-PC20 B 40-PC30 B 40-PC40 and B 40-HC40 25.63 (651) 10.56 (268)11/2" Socket Weld 7.62 (194) 10.12 (257) 6.63 (168) 5.06 (129) 11/2" Socket Weld CL Rotation Clearance Rising Level 0.50 (13) Falling Level 0.50 (13) 9.50 (241) Plug 7.19 (132) C B E A D 19.88 (504) 7.19 (182) 1" Socket Weld 8.30 (210) 5.56 (141) 1" Socket Weld CL Rotation Clearance 0.50 (13) 0.50 (13) Rising Level Falling Level 4.18 (106) 4.15 (105) Plug 7.19 (132) C B E A D
15 46-602 B40 LiquidLevelSwitches B 40-HF30 and B 40-PF30 B 40-PB 60 and B40-HB6 0 20.88 (530) 8.18 (208) CL 4.15 (105) 5.56 (141) RotationClearance RisingLevel 0.50 (13) FallingLevel 0.50 (13) 8.00 (203) 7.19 (182) Plug 4.15 (105) 1” Sockolet 1” Sockolet C B E A D 20.88 (530) 8.18 (208) CL 3.90 (99) 5.56 (141) Rotation Clearance Rising Level 0.50 (13) Falling Level 0.50 (13) 8.00 (203) 7.19 (182) Plug 3.90 (99) 1” Schedule 80 Weldolet 1” Schedule 80 Weldolet C B E A D NO TES: 1. Allow8 in(203 mm) overheadclearanceforcoverremoval. 2. Maximum ambienttemperatureatswitchhead shouldnot exceed +140°F (+60°C). 4.4.1D ime nsionalInches (mm) ( continu ed )
16 46-602 B40 LiquidLevelSwitches
4.5 Mod elNumber s
4.5.1 PartNu mber IndustrialG rade Co nstruction
ELEC TRIC SW ITCH MEC HANISM AND ENCLOSURE FO R ALL M O DEL S EXC EPT B40-5C20 MATER IALSO F C ONS TRU C TION /PRESS URE RATING (PS IG) Switch De scription Ma ximum Process Tem perature ° F (°C) One Set Point NE M A 4X/7/9 Aluminum , Polymer Coated Aluminum, Cl I Div.1 Grp B ATEX E x II 2G E E x d II C T6 Series F Snap Switch Herm etically Sealed 750 (399) SPD T FK B FKK FC9 D PD T FNB FNK FF9 Series R High Tem p Snap Switch 750 (399) SPD T R KB RK K R C9 Series S Snap Switch forAC Current App lications 550 (288) SPD T SKB SK K SA9 D PD T SNB SNK SB9 Series S Snap Switch forDC Current App lications 400 (204) SPD T SLB SLK SC9 D PD T SOB SOK SF9 (continued on next page) BASIC MO DE L B40 B 40 LiquidLevelSwitch Co de Cham ber M aterial Float M aterial Tank C onnection Min. S.G. Temper ature(°F) 100 5 00 7 50 800 1000 1F3 0 Chrome-M oly 321 /347 SS 1"weldingnipple 0.65 206 7 1777 1670 1668 651 1B6 0 1"socketweld 2F3 0
304 SS 316 SS
1"weldingnipple 185 7 1566 1294 1240 n/a 2B6 0 1"socketweld
3 C3 0 Carbon Steel
11/2" socketweld 1925 1820 1250 1100 215 4C40 316 SS 11/2" socketweld 370 0 3543 3169 3129 3011 5C20 Carbon Steel 1"socketweld 208 5 1820 1350 1110 165 1C50 Chrome-M oly 1"we ldcoupling 253 3 2010 1872 1845 956
17 46-602 B40 LiquidLevelSwitches Floatmaterialbased on availability.Both 321 SS and 347 SS arestabilizedausteniticstainlesssteels. ConsultfactoryforNEMA 4X/7/9castironhousings. Process tempe raturebased on +100° F (+38 ° C)am bient. On steam applications,temperaturedown-ratedto+400° F (+204°C)processat+100° F (+38° C)ambient. Switch De scription M aximum Process Tem perature ° F (°C) One Set Point NE MA 4X N E M A 4X/7/9 Steel, Polymer Coated Ca stIron, Polymer Coated Cast Iron, Cl I Div.1 Grp B Series L M ercurySwitch 1000 (538 ) SPD T LAM LKM LKW D PD T LD M LNM LNW Series L Vibration R esistant M ercurySwitch 1000 (538 ) SPD T LB M LLM LLW D PD T LEM LOM LOW Series R H igh Temp Snap Switch 1000 (538 ) SPD T R 5M RWM RW W Switch De scription Ma ximum Process Temper ature ° F (°C) One Set Point NE M A 4X/7/9 Aluminum, Polymer Coated Aluminum, Cl I Div.1 Grp B ATEX E x II 2G E E x d II C T6 Series C Snap Switch 450 (232) SP D T CKB CKK CC9 D PD T CNB CNK CF9 Series D Snap Switch forD C Current
Applications
(121) SP D T D KB D KK DC9 D PD T D NB D NK DF9 Series F Snap Switch H ermeticallySealed 750 (399) SP D T FK B FK K FC9 D PD T FNB FNK FF9 Series H S 5 am p Snap Switch H ermeticallySealed w /TerminalB lock 550 (288 ) SP D T HM3 HM 4 HA 9 D PD T HM7 HM 8 HB9 Series H S 5 am p Snap Switch H ermeticallySealed w /Wiring Leads 550 (288 ) SP D T HMJ HMK n/a D PD T HMS HM T n/a Series R Snap Switch 750 (399) SP D T RK B R KK RC9 Series 2 Vibration R esistant Me rcurySwitch w /Beaded Lead 750 (399) SP D T 2K B 2K K 2C9 D PD T 2NB 2NK 2F9 Series 3 Me rcurySwitch w /Beaded Leads 750 (399) SP D T 3K B 3K K 3C9 D PD T 3NB 3NB 3F9 EL ECTR IC SWITCH M ECH ANISM AND ENCLOSURE FO R M O DEL B40-5C2 0 O NLY
4.5.1 PartNum berIndustrialGrade Co nstruction (continue d )
18 46-602 B40 LiquidLevelSwitches B40 MATE RIALS O F CONS TR UCTION/PRESSURE RATING (PSIG) B ASIC M ODEL B40 B 40 LiquidLevelSwitch Floatmaterialbased on availability.Both 321SS and 347SS arestabilized austeniticstainlesssteels. ConsultfactoryforNEMA 4X/7/9castironhousings. Aluminum enclosurelimitedto+750° F (+399°C)inhazardouslocations. Processtemperaturebased on +100° F (+38° C)ambient. On steam applications,temperaturedown-ratedto+400° F (+204°C)process at+100° F (+38° C)ambient. Cha mb er M aterial Float M aterial Tank Con nection M ininum S.G. Temper ature° F 100 500 750 800 1000 PF30 Chrom e-M oly 321/347 SS 1” butt-weld 0.65 1573 1573 1552 n/a n/a HF 30 n/a n/a n/a 1510 661 PB6 0 1” socketweld 1573 1573 1552 n/a n/a HB 60 n/a n/a n/a 1510 661 PC30 Carbon Steel 11/2”socketwe ld 1444 1444 1251 n/a n/a PC40
316 SS 11/2” socket
HC40 n/a n/a n/a 3129 3011 PC20 Carbon Steel 1” socketweld 13 35 1335 1157 n/a n/a 4.5.2 PartNu mber ASME B31.1C onstruction
19 46-602 B40 LiquidLevelSwitches 4.5.2 PartNum berASME B 31.1C onstruction(continu ed ) Process NE M A 4X NEMA 4X/7/9 Switch De scription Tem perature On e Set Steelpolymer Cast iron,ClassI, Cast iron,ClassI, R ange Point coated Div 1,Grps C&D Div 1,Group B Series L me rcuryswitch -20° to +1000° F SPDT LAM LKM LKW (-29°to +538° C) DPDT LDM LNM LNW Series L vibrationresistant -20° to +1000° F SPDT LB M LLM LLW m ercuryswitch (-29°to +538° C) DPDT LEM LOM LOW Series R hightemperature -40° to +1000° F SPD T R 5M RWM RWW snap switch (-40° to +538° C) ELE C TRIC SWITCH MEC HAN ISM AND EN CLOS URE FOR MODEL B 40-PXXX ONLY Process NE M A 4X/7/9 Aluminum Enclosure Switch De scription Temperature On e Set Class I,Div.1 Class I,Div.1 R ange Point Groups C & D Group B ATEX Series C Snap Switch -40° to+450° F SPDT CKB CKK CC9 (-40° to+232° C) DPDT CNB CNK CF9 Series D Snap Switchfor -40°to+250° F SPDT DKB DKK DC9 D C CurrentApplications (-40°to+121°C) DPDT DNB DNK DF9 Series F Snap Sw itch -50°to+750° F SPDT FKB FKK FC9 H ermeticallySealed (-46°to+399°C) DPDT FNB FNK FF9 Series HS 5 am p Snap Switch -50°to+550° F SPDT HM3 HM4 HA9 H ermeticallySealed w/TerminalBlock (-46°to+288° C) DPDT HM7 HM8 HB9 Series HS 5 am p Snap Switch -50°to+550° F SPDT HMJ HMK — H ermeticallySealed w/WiringLeads (-46°to+288° C) DPDT HMS HMT — SeriesR snap switch -40° to+750° F SPD T RKB RKK RC9 (-40° to+399°C) Series S Snap Switchfor -40° to+550° F SPDT SKB SKK SA9 AC CurrentApplications (-40°to+288° C) DPDT SNB SNK SB9 Series S Snap Switchfor -40° to+250° F SPDT SLB SLK SC9 DC CurrentAp plications (-40°to+121°C) DPDT SOB SOK SF9 Series 2 Vibration Resistant -20° to+750° F SPDT 2KB 2KK 2C9 M ercury Switch w/Beaded Leads (-29°to+399°C) DPDT 2NB 2NK 2F9 Series 3 M ercurySwitch -20° to+750° F SPDT 3KB 3KK 3C9 w/B eaded Leads (-29°to+399°C) DPDT 3NB 3NK 3F9 B40 HXXX ELE C TRIC SWITCH MEC HAN ISM AND EN CLOS URE FOR MODEL B 40-HXXX ON LY B40 PXXX yz
B U LLE TIN: 46-602.13 EF FEC TIVE: September 2006 SU PE R SEDES : February2006 Service Po licy Ow nersofMa gnetrolcontrolsmay requestthe returnofa controloranypartofa controlforcompleterebuilding or replacement.T hey willbe rebuiltor replacedpromptly. Controlsreturned under our service policymust be returnedby Prepaid transportation.M agnetrolwillrepair or replacethe controlat no cost to the purchaser(or ow ner)otherthan transportationif: 1. Returned withinthe w arrantyperiod;and 2. T he factoryinspection findsthe causeofthe claim tobe covered underthe w arranty. Ifthe troubleistheresultofconditions beyond our con - trol;or,isNOT coveredby the warranty,therew illbe charges for labor and the parts requiredto rebuildor replacetheequipment. In some cases itmay be expedient to ship replacement parts; or,in extreme casesa com pletenew control,to replace the originalequipment before itisreturned.If this is desired,notifythefactoryofboth themodel and serial numbe rs of the controlto be replaced. In such cases,creditforthem aterialsreturnedwillbe determined on the basisofthe applicability ofour w arranty. No claims form isapplication,labor,directorconsequen - tialdamage willbe allowed. Re turn M aterialProcedure So thatwe m ay efficientlyprocessany materialsthatare returned, it is essential that a “Return Material Authorization” (RM A) num ber be obtained from the factory,priorto the m aterial’s return. T hisisavailable throughM agnetrol’slocalrepresentative orby contacting the factory.Pleasesupplythe following information: 1. Co mpan y Name 2. Description ofM aterial 3. SerialNum ber 4. R eason forR eturn 5. Application An y unitthat w as used in a processm ust be properly cleaned inaccordance w ith O SHA standards,beforeitis returned to the factory. A M aterialSafetyData Sheet(MS DS) m ustaccompany materialthatw asusedinany m edia. Allshipmentsreturned to the factorym ustbe by prepaid transportation. Allreplacem entsw illbe shipped F .O.B.factory. ASSUR ED Q U ALITY & SER VICE COST LESS 5300 Belmont Road • Downers Grove, Illinois 60515-4499 • 630-969-4000 • Fax 630-969-9489 • www.magnetrol.com
145 Jardin Drive, Units 1 & 2 • Concord, Ontario Canada L4K 1X7 • 905-738-9600 • Fax 905-738-1306
Heikensstraat 6 • B 9240 Zele, Belgium • 052 45.11.11 • Fax 052 45.09.93 Regent Business Ctr., Jubilee Rd. • Burgess Hill, Sussex RH15 9TL U.K. • 01444-871313 • Fax 01444-871317 Copyright © 2009 Magnetrol Internatio nal, Incorporated. All rights reserved. Printed in the USA.