GUIDE TO INSULATING CHILLED WATER ... - Insulation Institute

1 GUIDETOINS ULATINGCHIL LEDWAT ERPIP IN G SYSTEMSWITHMI NERAL FI BERPI PEIN SU LATION33 F to60 F ( Cto 15 .6 C)Fir st Ed itio nCop yr igh t 2 015 NAI MA,AL L RIGH TS RESERVEDGUIDETO IN SULATINGCHILLEDWATERPIPINGSYSTEMSWITHMI NERAL FIBERPI PEINSULA TION33 F to60 F ( C to 15 .6 C)Fi rst Ed iti on , 2015 GUIDE toIn su la tingChilled WaterSystemsFir st Ed ition , 20 15iCONTENTSPREFACE MineralFib er PipeInsulation.. ii Va por Retarder JacketingSystems .. ii MineralFib er PipeInsulationStandards.. ii Ho w ThisGuide WasDeveloped .. ii iSE CTION 1: PERFORMANCECRITERIA1-1 Roleof PipeInsulation.. 1-2 Roleof PipeInsulationforChilledWaterSystems33 Fto 60 F ( C to C).

2 1-2 Ge ne ra l Requirementsfo r Mineral FiberPipeIns ula tionin ChilledWater Applications.. 1-2 Thermal Conductivity.. 1-2 Sta ndard SpecificationforMineral FiberPipeIns ula tions(ASTMC5 47).. 1-3 Sp ecifi ca tio ns,Performance & Te st StandardsforFacings .. 1-4 Ins ula tionThickness.. 1-4 Fit tings andHangers.. 1-4SE CTION 2:IN SULATIONSYSTEMINSTALL ATION2-1 Pi peIns ulationWithFacto ry AppliedASJjacket Straig ht pipe-Single Layer.. 2-3 Va por Dams StraightPipe(S ingleLayer andMul ti- La yer).. 2-4 Ins ula tionof Pi peSy stemFittings:Flanges,Couplings El bows,Tee s, andValves.. 2-5 Pi peSup ports.

3 2-9 Fie ld Ap pliedJackets .. 2-10SE CTION3: GUIDESPECIFICATIONS3-1 Gu id e Specification CHILLED WATER PipeSy ste mIns ula te d WithMineralFiberPipeInsulationAndFa ctory AppliedAll Se rvice Jac ket(ASJ) .. 3-3 Chil le d Wat er PipeSy stemInsulationInstallationCheck Lis t .. 3-5 APPENDIXA-1 Inf or mationSo ur ces andRe fere nces.. A-2 ASH RA E - Americ an Soci et y of Heat in g, Refrigerating,an d Air- Con ditio ni ngEn gine ers , Inc.. A-2 AST M - AmericanSo ci et y fo r Tes ti ng andMateria ls . A-2 ICC- Int ern at io nal Code Co un cil , Inc .. A-2 TheNation al Researc h Co un cil (N RC ).

4 A-2 NAI MA- Nort h Ameri can Ins ul ati onMan uf act ure rs Assoc iat io n .. A-2 NFPA - Nation al Fire Prot ectio n Asso ciati on.. A-2 Nat io nalIns ti tut e of Bu il din g Scie nces .. A-2 Nat io nalIn su lat ion Associat ion .. A-2 ASH RA E Stan dar d 90. 1 Mi nimumPipeInsulationThi ckn ess Rec ommend at ion s .. A-3 IECC Mini mumPipeInsul at io n Thi ckn essRec ommendat ion s .. A-4 NAI MA3E Plu s In sul at io n Thickness Cal cu lat ionPro gram.. A-5 Rec ommended Work Prac tice s for Fib er Glas s &Roc k Woo l Ins ul ati on .. A-6 GGuuiiddee ttoo IInnssuullaattiinngg CChhiilllleedd WWaatteerr SSyysstteemmssFirs t Ed iti on, 2 01 5iiPREFACETh e Nort h A merican Insulation Manufacturers Association(NAIMA) presents this GUIDE as a recommended methodfo r i nsu lat ing ch illed WATER pipi ng systems in mechanicalsy st ems u sin g a vapor sealed mi neral fiber pipe e i nsu lat ion sy st em recommen dations in this gu ide areint en ded fo r u se on cold or CHILLED WATER pipi ng systemsoperati ng from 33 F to 60 F ( C to C) locatedwithi n condit ion ed spaces in commerc ial and institutionalbuilding s.

5 When properly installed, a vapor sealed mineralfi be r pipe insu lati on system will effectively controlco nd en sat ion, h el p maxi mize c oo ling syste m efficiencyan d save energ y. Mineral Fi ber Pip e InsulationFo r the purpose of th is gu id e, mine ral fiber pipe insulationconsis ts o f fib er gl ass o r mineral wool ( rock or slag fiber )wi th bin de rs manuf ac tured to fit standard pipe and tubingsi zes. Th is de fin iti on is consis ten t with ASTM and g co de te rminology. The minera l f ib er pipe in sulationmay be mold ed o r precision v-grooved, with one or moreof the in sul at io n walls s pli t longitudinally for easyapplication on pipes.

6 Fi ber glass Pipe Insulation Fi ber glass pi pe insu lat io n is manuf actured from glass fiber sbonded wi th a thermosett in g re sin an d molded into one-piece sectio ns th at ar e 36 ( ) in length. These pipesection s a re opened, placed over the pipe, clos ed and securedwith a facto ry applied or field installed vapor-retarderjacketing s ys eral wool Pipe Insulation Mi neral wool p ip e i nsulat ion is manufactured into pre-formed,one- or mult iple-piece sections. Mineral wool pipein su lat io n secti ons a re 36 ( ) in length. They areapplied b y placin g t he one- or m ult iple-piece sections over thepipe and cl osin g wi th eit her a fa cto ry applied o r field installedvapor retarder jacketing Retar der Jacketing SystemsAl l S er vic e J acketi ng (ASJ) is a flexible laminate compositeof multi pl e l ay ers typically consisting of foil, paper, filman d reinfo rc ements that meet the requirements listed inAS TM C547 fo r mineral fiber pip e Insulation used on lowte mperat ur e pipi ng systems.

7 ASJ p rotects the Insulation ,pr ovides a vapor s eal, and secures the Insulation to thepi pe. Pi pe in sul at ion general ly comes with a factoryapplie d A SJ jac ket complete with a self-sealing lap system(SSL). Th e SSL is a self-sealing closure system thatpr ovides mechanical securement and vapor sealing of thelo ngit ud in al seam of the jacket. ASJ bu tt st rip tap eco mplet es the jacketing system to seal the joints betweensections of pi pe insu lation. The st andard ASJ jacketingsystem has a max imum p ermeance of 0. 02. Mine ra l Fi ber Pipe Insul ation Standard sSt andar ds for mineral fib er pi pe ins ulat ion provide partie sinv olved in the proces s wi th industry-a ccept ed quali tyre quire ment s.

8 A dherence to the Standard s helps to ensurethe lo ng -ter m performance and rel iab ilit y o f the e fol lowin g ASTM St andar ds are re le vant t o mineral fiberins ula tion sy st ems c ov ered in th is guid e. Consult t hemanufa ct urers su bmittal sheets for the f ul l range o fphysic al pr opert y and performance specifi cat C547 Sta nd ar d Specifica tion for Mineral F iber PipeIn sul ati onASTM C585 Sta nd ar d Pr act ice for Inner a nd OuterDiamete rs of R ig id Thermal I ns ula tio n f orNo mi na l Size s of Pipe and T ubingASTM C921 Sta nd ar d Pr act ice for Determini ng theProperties of Ja cket in g Mat er ia ls fo r T hermalIn sul ati onASTM C113 6 Flexible.

9 Low Permeance Vapor R eta rd ers forThe rmal In sul ati onAlternat ive Ins ulatio n Sy st em St rategiesTh is Gu id e ad dre sse s inst al la tion of the standard ASJjacke ted pi pe ins ula tio n use d in the fie ld when applie d tochi lle d wat er pipes. Se veral mi neral fi ber in sula tionmanufact ure rs have ad dit ional cu st om s olutions forinsula ting chil le d wat er sy st ems: Im prove d wat er vapor re tar de r ja cketing systems . Wi ck in g sy ste ms th at col lec t con den se d WATER on thepip e s ur fa ce and tr anspor t i t away from the pip e andout of th e ins ula tion allowing th e WATER to evaporate.

10 Co nta ct th e fi ber g lass or r oc k and sl ag woolmanuf actur ers l is ted in th is GUIDE for sp eci fic informationon oth er i nsul at io n s ys tems for c hilled WATER IInnssuullaattiioonn GGrroouuppii g- llc .c om912-264-6372 JJoohhnnss MMaannvviillllee .c om800-654-3103 KKnnaauuff IInnssuullaattiioonnknaufin sul at CCoorrnniinnggowen NKRROOXXUULL UUSSAA xul .c om800-265-6878 GUIDE to In su la ting CHILLED WATER SystemsFir st Edition , 20 15iiiHow This G uide Was DevelopedTh is GUIDE was developed using reliable engineeringprinciples and r es earch, plus consultation obtaine d frommanufactu rers , co ntractors, testing laboratories, andot hers having speci alized expe ri ence.