Type 92B Pilot-Operated SteamPressure Regulators

1 Type92 BebyFisherControlsCompany1973 FisherControlsInstructionManualTTypeype9 2B92 BPilot-OperatedPilot-OperatedSteamSteamP rPressuressureeRegulatorsRegulatorsJanua ry1975 Form1329 RWARNINGR egulatorsshouldbeinstalled,operatedandma intainedinaccordancewithfederal,stateand localcodes,rulesandregulations, , , ,3/4,1,1-1/4,1-1/2,2 Screwed250psiat406_FCastIron1-1/2,2,2-1/ 2, ,2,2-1/2,3,4, A pushesdiaphragm B downandholdsthepilotvalveplug C ,italsoenterspilotsupplyline F andflowsthroughtheopenpilotvalvetothetop ofmaindiaphragm H .Theforcecreatedbythissteampressureonthe diaphragmovercomestheforceofthemainvalve spring E openingthevalveplug D J L.

2 Pressureforcesthediaphragm B Type92B2upward, N .Themainvalvemovestowardtheclosedpositio n, , ,ifthesteamdemanddecreases, ,throughthecombinationofpilotandmainvalv eoperation, , ,thecheckvalveopenstorelievediaphragmloa dingpressureintothedownstreamsystem, ,ifrequired, , J for1/2 through1-1/2 bodies,3/8 for2 and2-1/2 bodies,and1/2 for3 through6 ,swage, ,suchasadeaerator, (notaneedlevalve) ,proceedasfollows,referringtofigures3,5, & (key16)andturningsetscrew(key15)counterc lockwise(outofthespringcase). , , ,improperregula-torsizing,damage,oranacc umulationofdirt, , (key61,figure4).

3 (8)SPRINGCASEUPPERSPRINGSEATSPRINGLOWERS PRINGSEATDIAPHRAGMS(2) ,boilercompound, (key60,figure4). ,guidebushings,seatring, ,asaresultofover-sizingorothercauses, ( F offigure2). , , , , , , -6 , (key60),bleedfitting(key61),anddiaphragm plate(key59). (key52). (key56)andspring(key57) (key58), , (key53)frombodyandbot-tomflange, , (key15)counterclockwiseafterlooseninghex nut(key16). ,andremoveupperspringseat,spring,lowersp ringseat, (figure5),thelowerspringseatandthediaphr agmplatearebothpartsofthedia-phragmplate assembly(key24) (key8) (keys9&7). (key2).Thevalveplug(key4)andthevalveplug spring(key3) (key5), (key75)withascrewdriverafterhavingremove dthepipeplug(key74).

4 , , (key6), (key53)inthebody(key51)andbottomflange(k ey52) (key58). (key56)anditsspring(key57). (key55). (key61)intothediaphragmplate(key59),clam pingthediaphragm(key60) (key62). (keys63and64).Installtheloadingtubingcom pressioncouplingfittingonthepipenipple(s izes1-1/2 -6 ). (key5). (key57)andvalveplug(key56)inthevalveplug guide(key2).Screwguideintobody(key1). (key7)inthebody, (key9)inbodyandsecureinplacebyscrewingin thebellowsretainer(key8). (key18)andputtwodia-phragms(key10)inplac eonthebodywithraised, (key11),spring(key12),andupperspringseat (key13) , (key6). (pipeplug,key21,figures5and6) ,isolatetheregulator,relieveallpressure, , , (key11,figure3)becomesplugged, , (sizes1/2 -1-1/4 )orthepipeplug(sizes1-1/2-6 )

5 , ,EndLoadingTubingPartNumberControlTubing PartNumberFittingsRequiredValveSize,Inch esEndConnectionsHighPressureLowPressureH ighPressureLowPressureElbowMaleConnector FemaleConnectorInchesConnectionsHighPres surePilotLowPressurePilotHighPressurePil otLowPressurePilotElbow1A397118992 Connector1A636814012 Connector1A4178140121/2&3/4 Screwed1H5017170121K7043170121H501617012 1K70421701213 1&1-1/4 Screwed1H5019170121K7045170121H822217012 1K70441701211 1-1/2 ScrewedFlanged1H5021170121L8561170121H50 20170121L8560170121212 ScrewedFlanged1H5023170121K7339170121H50 22170121P684017012(1)1212-1/2 Flanged1H5025170122K3614170121H502417012 1H5026170121213 Flanged1H5027170121K7338170121H502617012 1P684017012(1)1214 Flanged1H5029170121L2713170121H502817012 1L2714170121216 Flanged1H5031170121P684017012(1)1H503017 0121P684017012(1) through1-1/4 Through6 Through1-1/4 Through6 Type92 BRegulators2F2573-HELBOW,MALE1/4 NPTx1/4 ODTUBECONNECTOR,FEMALE1/4 NPTx1/4 ODTUBECONTROLTUBINGLOADINGTUBINGCONNECTO R,MALE1/4 NPTx1 Through1-1/4 Through6 (1/4 ) Through6 C toloca-tion D.

6 D . E to D .Connectcontroltubingfrom A to B .Customersuppliesown1/4 (Figures4&7-10)KeyDescriptionPartNumber5 1 ValveBody,castironNPT1/2 3F3118190123/4 3F3084190121 3H5846190221-1/4 3H5845190221-1/2 3H2748190122 3F249719022 Class125 FFflanged1-1/2 3H2750190222 3F2498190222-1/2 3F3119190223 3H3064190224 3H3146190226 3F338119022 Class250 RFflanged1-1/2 3H2751190222 3F249919022 KeyDescriptionPartNumber51 ValveBody,castiron(continued)2-1/2 3F3120190223 3H3065190224 3H3147190226 3F33821902252 BottomFlangeAssemblyCastiron1/2 &3/4 1J3023000A21 &1-1/41J3024000A21-1/21J3026000A22 1J4339000A22-1/2 0U0323000A23 0U0357000A24 0T0786000A26 0U0726000A253 GuideBushing,17-4 PHSST1/2 &3/4 1A3838350121 &1-1/41A4091350121-1/21A4161350122 1A4192350122-1/2 1A4237350123 1A4271350124 1A4309350126 IA440135012 KeyDescriptionPartNumber54*Gasket,asbest os1/2 &3/4 0U0173040221 &1-1/40U0200040221-1/20U0247040222 0T0681040222-1/2 0U0317040223 0U0365040224 0U0788040226 0U07330402255 CapScrew,steel,pl1/2 &3/4 (4req d)

7 1A3531240521 &1-1/4(6req d)1A3369240521-1/2(6req d)1A3375240522 (6req d)1A4185240522-1/2 (8req d)1A4186240523 (8req d)1A3444240524 (8req d)1A4302240526 (8req d)1A44022405256 ValvePlug,SST1/2 &3/4 2P4307461721 &1-1/42P9796461721-1/22P979746172*Recomm endedsparepartType92B9 KeyDescriptionPartNumber56 ValvePlug,SST(continued)2 2P9798461722-1/2 2P9799461923 2P9800461924 3P9801461926 2P98024619257 Spring17-4PH(standard for20psipres-suredroporgreater)1/2 &3/4 1R1512370521 &1-1/41R1513370521-1/21R1514370522 1R1515370522-1/2 1R1516370523 1R1517370524 1R1518370526 1R151937052 Inconel(for10-20psiminimumpres-suredrop)

8 1/2 &3/4 0U0163420121 &1-1/40U0202420121-1/20U0237420122 0T0860420122-1/2 0U0326420123 0U0359420124 0T0858420126 0U07354201258*SeatRing,SST1/2 &3/4 2P4306461721 &1-1/42P9803461721-1/22P9804461722 2P8967461922-1/2 2P2191461923 2P8980461924 3P9805461926 2P98064619259 DiaphragmPlate,castiron1/2 &3/4 1F3090190121 &1-1/41F2515190121-1/21F3010190122 1F2504190122-1/2 1F3126190123 1F3248190124 1F3356190126 1F33891901260*Diaphragm,302 SST(2req d)1/2 &3/4 1F3091360121 &1-1/41F2514360121-1/21F3012360122 1F2503360122-1/2 1F3127360123 1F3249360124 1F3357360126 1F33903601261 BleedFitting,416 SST1/2 &3/4 1H3731351321 &1-1/4 1F2513351321-1/2 &2 1F2502351322-1/2 1F3128351323 1F3250351324 1F3358351326 1F339135132 KeyDescriptionPartNumber62 DiaphragmCase,castiron1/2 &3/4 1L5471191721 &1-1/42L5472190121-1/22L5863190122 2L5866190222-1/2 2L5869190223 2L5872190224 2F3360190226 2F33931902263 CapScrew,steel,pl(12req d)1/2 &3/4 1A4027240521 &1-1/41A4130240521-1/2&2 1A417524052(16req d)

9 2-1/2 1A4187240523 &4 1A427824052(24req d)6 1A44062405264 HexNut,steel,Cdpl(12req d)1/2 &3/4 1A3465241221 &1-1/41A4132241221-1/2&2 1A417624122(16req d)2-1/2 ,3 &4 1A420124122(24req d)6 1A37542412265 LoadingTubingCopperSeefollowingtable66 PipeBushing,steel,pl(nonereq dfor1-1/2through6 )1C37902623267 PipePlug,steel(nonereq dfor1 ,1-1/4 ,4 ,or6 )1/2 &3/4 1A7675246621-1/2 through3 1A36922409269 PipePlug,steel1A36922409270 ControlTubingCopperSeefollowingtable71 MaleConnector,brass1/2 &3/4 (3req d)1A6368140121 &1-1/4 (1req d)1A6368140121-1/2 to6 (2req d)1A63681401272 Elbow,brass1A39711899273 FemaleConnector,brass(1-1/2 through6 only)1A417814012 Pilot(Figures5&6)1 PilotValveBody,castironLowpressure32A040 4X012 Highpressure22A0403X0122 ValveGuide,SST1E3918351323 ValveSpring,302 SST1E3924370224*ValvePlug,302 SST1F967446172 KeyDescriptionPartNumber5*SeatRing,416 SST1H5644461726 StrainerAssembly,Brass/monel1F9676000A27 ValvePlugStem,416 SST1F9678351328 BellowsRetainer,brass1F9712140129 Bellows,brass1F97131899210*Diaphragm,302 SST(2req d)

10 Lowpressure1E396936012 Highpressure1E39583601211 LowerSpringSeat,aluminum(Highpressureonl y)1J91400801212 Spring,steel,CdplLowpressurepilot2to6psi g1E3956270225to15psig1D74552714213to25ps ig1E395727192 Highpressurepilot15to30psig1E39562702225 to75psig1E74552714270to150psig1E39572719 213 UpperSpringSeatSteel,Cdpl1D66712507214 SpringCase,castironLowpressure3J49631901 2 Highpressure2J49621901215 SetScrew,steel,Cdpl1D99544870216 HexNut,steel,Cdpl1A35372412217 CapScrew,steel,plLowpressure(10req d)1A381624052 Highpressure(8req d)1A38162405218*DiaphragmGasket,asbestos Lowpressure1E397004022 Highpressure1E39610402219 DriveScrew,SST(2req d)1A36822898220 Nameplate,aluminumLowpressure10A8371X012 Highpressure10A8372X01221 PipePlug,steel,Cdpl1A76752466222 PipeNipple,steelLowpressure1B825226012 Highpressure1A47352601224 DiaphragmPlateAssembly(Lowpres-sureonly)