Safety Relief Valves, Models 300 and 600

1 kunkle Models 300 and 600 Safety valvesSafety and Relief productSFeatures Heavy duty construction of high quality cast steel with stainless steel full-nozzle trim for optimum performance. Bolted yoke design for easy maintenance. steel yoke incorporates a cover-shield for guiding surfaces and provides for fully exposed spring. seats lapped to optical flatness for tight shutoff. dual control rings offer easy adjustability for precision opening with minimum pre-open or simmer and exact blowdown control. Heavy duty lift lever assembly. all adjustments are factory sealed to help prevent tampering or disassembly. each valve tested and inspected for pressure setting and leakage. Gags applicationsuitable for use on steam boilers and generators, pressure reducing stations, reciprocating or rotary air/gas compressors and for pressure vessels including tanks, receivers, intercoolers, oil/gas separators and lines.

2 VctDs-00387-en 16/03technical DataConnectionsModel 300: 300# inlet flange and 150# outlet flange per ansI 600: 600# inlet flange and 150# outlet flange per ansI [1,2]: -20 to 800 f (-29 to 427 C)Pressure range[1]: 15 to 1000 psig (1 to 69 barg) Code: asMe I and vIIICast steel, exposed spring valves that meet asMe section I for steam and asMe section vIII for air, gas and steam servicesASMEVASMEUV notes1. see page 3 for pressure and temperature limits alloy steel spring required for temperatures > 750 2017 Emerson. All rights Models 300 and 600 Safety valvesSafety and Relief productSnotes1. specified materials: sa479 ty 304 on 'f' through 'M' orifices and sa351 Gr. Cf8 on 'n' through 'Q' specified materials: a564-630 condition a1100 on 'f' through 'K' orifices and a479-304 on 'l' through 'Q' 4 bolts required for 'f' through 'P' orifices and 6 bolts required for 'Q' specified materials: Cs with anti-corrosion coating for standard service.

3 Alloy steel for high-temperature anD Materials nameMaterials1nozzle[1]ss2 Bodysteel, sa216 Gr. WCB3 Warn ringss, a743 Gr. Cf84disc holder[2]ss5disc retainerss, a313-3166 Control ring pin assemblyss, a582-4167 Control ringss, a743 Gr. Cf88 Warn ring pin assemblyss, a582-4169 Guidess, a743 Gr. Cf810yokesteel, sa216 Gr. WCB11 Bolt[3]steel, sae Gr. 512leverductile iron, a53613stemss, a582-41614spring[4]15spring stepsteel, commercial grade with coating16 Compression screwss, a582-41617lever pinCs, commercial18 Cotter pinsteel, commercial19locknutss, a582-416 or steel a108-1215 zinc plated20lift camductile iron, a53621 Capductile iron, a53622lift nutCs, commercial23lift disc nutss, a582-30324lift pinCs, commercial25 Cap screwCs, commercial26spring pinss, commercial27stem retainerss, a582-41628 Retainer locknutss, a582-41629shieldss, a167-316 sheet30discss.

4 A479-304 Models 300 and 6003-20 to 1007401000200680100030065510004006351000 5006051000600570100065055010007005301000 7505051000800410825300lff / 600nfff1 1 4 16 37300lGf / 600nGfG1 1 4 16 39300lHG / 600nHGH1 2 5 18 60300lJG / 600nJGJ1 2 5 20 75300lKH / 600nKHK2 3 621 95300llJ / 600nlJl2 4 6 26 133300lMK / 600nMKM3 4 6 27 159300lnM / 600nnMn4 6 33 230300lPM / 600nPMP4 6 33 226300lQP / 600nQPQ68 9 39 400 kunkle Models 300 and 600 Safety valvesSafety and Relief productSnotesdimensions are for reference Maximum set pressure: f to M orifice steam or air service - 1000 psign and P orifice - 750 psigQ orifice - 600 psig2. Inlet flanges are ansI # (model 300 only), 600# (model 600 only)3. outlet flanges are ansI #notes1. Q orifice maximum set pressure 600 n orifice maximum set pressure 750 P orifice maximum set pressure 750 Maximum pressure subject to temperature/pressure anD teMperature liMitstemperature FMaximum set pressure (psig)Model 300 Model 600speciFicationsModel numberorifice[1]connections ansi standardorifice areaValve dimensions inapproximate weight(lb)

5 Inlet[2]outlet[3]in2aBc41544072111251845 2636408951566221914515832205098351303213 6305247345969720210587183292557994814802 4273468537967828183120302082630648106216 5827183883602475969164134722332335718117 6183530094299667084091014614915258204078 7129020133300471573159222111271635728317 4585614032190359151317960100351210817799 3081450926151723683882554686051084813089 1924233311559951631254541735962925011662 1407120684358096010651744272244646378989 5124751505222127383066511341858290047546 7941054013288160332356940803701205197430 8150517218111981411817034250404335075127 6209132645351764611862149551804426526459 2280134822083447565180741252615793190552 8012484948514192326362959508503131911663 1200662949851066901491244338126250893113 8551746821076309835363895156225603995655 0935914519183062208732469562101001634267 7417868499787151841914323098339555878212 5199132635092834811928185062333228151413 8371642150234938486006984614070218272752 0332044881284502175270644346920113451621 1251493170838257562409736220030645020783 4128431835228471358964331163669110222225 3421560587481434220493317934008448364710 9712308225037796191966215840226353511544 2725341778525135943275413667771057617339 2477638437484605847085954148803300449373 6211490188372691741759526486352393382161 6633254851794812404203362905845080568366 8577100811174523350520885341331821834311 9948402610257363010823918738337555669119 1423223333333415172465213786831156682002 4340059239705151462483135482550466940183 7361230962131034256281102911606026330376 2358368735898879013052522596345066381087 6169742782939764616907777793843137953238 8234756996114621788829327419056501281965 9889614538225168450073531204818802308264 4047683338615310394915281026454452577111 2633197163232446188716559034110900216023 9277404550806813219206303382348329749779 4530114056167667290264575842513805215443 5321504707829998718119109175096303124600 8783143902245836820526128162110290612416 2182524315984625914014976233723831854753 84943107094129215189953-6509498155622428 6398175689488265111282134269197381-67598 5516147252004131559035915861154701393222 04810-7001021316733261144281461176949081 19658144375212238-7251057017319270284431 26331898230123846149428219666-7501092817 9042794245811654591015521280351544822270 95-7751128518490288564730967600104874132 223---8001164319076297704880869741108196 136411---8251200019661306845030671883111 518140599---8501235720247315985180574024 114839144787---8751271520833325125330376 165118161148975---9001307221418334265480 278306121483153163---9251343022004343405 630080447124805157351---9501378722589352 545779982589128127161540---9751414523175 361685929784730131449165728---1000145022 3761370826079686871134771169916--- kunkle Models 300 and 600 Safety valvesSafety and Relief productSasMe section i steaM - capacities ( , lB/hr) - Flow coeFFicient = pressure (psig)orifice area, in2 FGhJKlMnpQ( )( )( )( )( )( )( )( )( )( )515454744116119032719421853196417943316 3312052385713382194313548636132739810876 1882825593971151624853551550869458380123 1821325306621085169327763966615377589361 1376123822357391210188830964424686386531 0440153472656940815133520843416488175739 5471151916934293164589114602279373653388 2821044212599185213206350968158524744056 5796899211336136782010734810551044 1710 2669437662539701122311475721694375576011 2018352864469667111041113125158372328140 3036511971961306050167168111201402016916 2486743050701273208632555336762511830149 1517995264544579775134922113450565680831 2539158091907528041485448014262336364559 7785401324916704201542962751291851502246 1384162978997139581759821233312145403790 1578258640366617945514668184932231332801 5678495165527114231693799121537719387233 9234387595311001731283644267257103691608 7202822447135974622781252113346254028857 1265619634247552986843907760121502495408 7637910458149432318229227352655184189746 1752876471373551205817230267303370040661 5977410348020032585338833113658195163027 7381734605867707117214225364059649307152 5921803338254264651455756411309482504022 6589102831685924090373724711856851835741 4468227544037214112591845926376409205159 1622489150715841730047857840122352006028 6634446856064676459944117215132551678465 1321121660309504801560537730411073741858 8535055489091141872326033237515636500978 4381153071996193755930971615164248613552 3551116948283834123241213353400631210342 1614026461378105865873955892311311742270 8742566941096717116280614009762206784289 4628139107240821450707511593180922966242 3846575382900100024147041254555475745712 2181906831262446706930187373105421154974 2682895007839128442004432862469577284991 8461108181629072820235258221134692102034 4634924476396963191162141708402957585508 6021409521996360635153179944100791121611 1787743094925758984147202297337663538178 3491105264127008186707323226600936615345 2394939264561048703910973713240419464033 6960625974815971249254086458391905871142 10137801202574-650 1012916596259014246460678941341186821431 98210507-6751051117222268774406562964976 82123155148594218440-7001089317847278534 566565251101230127628153991226374-725112 7518473288294726567538104777132101159388 234307-750116561909829805488666982410832 5136573164784242240-77512038197243078250 46672111111872141046---80012420203493175 85206674398115420145519---82512802209753 27345366776685118968149992---85013183216 00337105526778971122515154464---87513565 22226346865686781258126063158937---90013 94722851356625846883545129610163410---92 51432923477366386006885832133158167883-- -950147102410237614616688811813670617235 5---975150922472738591632699040514025317 6828---100015474253533956764869926921438 01181301--- kunkle Models 300 and 600 Safety valvesSafety and Relief productSasMe section Viii steaM - capacities ( , lB/hr) - Flow coeFFicient = pressure (psig)orifice area, in2 FGhJKlMnpQ( )( )( )( )( )( )( )( )( )( )615162265413677968150218932284335858132 0186305476781111617312183263338716702252 1134654088512641961247229834385759130236 3866039881412219027623332489884803526343 1672110215752443308037165463945740290475 7421216173726953398410060281043545317520 8111330190029483717448565921141350344564 8811444206332014035486971571239055372609 9501558222634534354525377221336860399653 1020167223893706467256378287143466542669 8108917862551395849906021885115324704537 4211591900271442115309640594161630175480 7871228201328774463562767909981172798050 8831129821273040471659467174105461825785 5358761367224132034968626475581111119234 9056292114372355336552216582794211675202 1295589965150624693528547469018326122402 1190100616101015762583369157267219871112 8052216812575212321923315345056989881110 6311562927056150888145522703722531982521 0403125521845331945175102416772618429261 3395141199514473212763683320011601900296 5486269471077713588163942410041722225129 6212333135431776112040151801831526924466 1125014312345366060018575133031677220236 2974851499275156725684008657193891456518 3642215732572563883001703279143557140102 0315828199562407835396612763251839301347 0377101101717091215482599938219661653501 9753236505082791183118354231402792041043 7105437521113459539788491264419616247322 9841438677594240022473681574594191345820 8792632431762466918083142523833904609299 8814272221422791633682495158571945025194 1266440105581508623405295083560352339906 0847526544349678711128159002466731100375 2455162954975002790457271351169716714259 3032692394455798610038552529264794748212 2671752827193342844136660810105274550306 2501778301283718342284563587643287636341 1016257531985240817713406191562971837468 4520866458115051600333454628524139761997 0309813906047129692821199406253470568588 72145452078432244406534905072105-6503606 59079219151152159833507422455097174929-6 7537416130956715685224123477043837528927 7753-70038776353991416254232263603245429 5481280577-7254