Download PDF - Heating Help

AMERICANRADIATORSTABLE OF B.T.U. FACTORS FOR VARIOUSAVERAGE HOT \(/ATER TEMPERATURESARCO CONVECTORARCO RADIANT CONVECTORThe follouing rabLc shows thc avcrage \rarer temperaturc in thc Arco Convccroranrl also thc output in B.t.u. per square foot e(tuivalent direct radiarioncorrcsponcling to the arurg. $.rter t.mperlrure. ln using this table, thc totxlhc.rt loss jn B.r-u.'s diviclrd by the B.t.u. f.rctor corrcsponding to che averlse\!atcr tcnrf.rxtlrrc rvill givc thc equivulcnt squ.lre fcet requircd. Thc ArcoConvector crn thcn bc sclecte,l Jirecrlv frcm the rrting tables on r.rges 51-51.Spcci6cdAt,crasc V'ater TenfcrarurcB.r.Lr.in Arco ConvecrorPer Sq. Ft.21 .5 degrees. . . . . . . . . . . . 2{0 B.r.Lr.210 desrees... ... . . . . .. 2.10 B.r.u.200 dcgrees. ..... .. .. ...210B.t.u.190 degrecs . . . . . . . . . . .. . 190 B.r.u.1E0 degrees ...... . . . . ..... 170B.r.u.170 degrees..........150 B.r.u.160dcgrees.......... ..... 1.1() B.r.u.1.50 dcgrces. ..... . . . . . 1108.t.u.NEW MURRAY RADIATORThe folloqing tablc shorvs thc averrgc lvatcr tempcrrturc in thc NdvMurrav Radjaror rncl also fic output in B.t.u. per squxre foot equirirLnrclifcct lrdiarion corrcsponding ro the rvcrage warer tcmpcraturc. ln usingthis table, thc totrl hcrr loss in B.t.u.'s di!ided by rhe B.r.Lr. frcror correspondingro rht.rvetage lvrtcr tnperxtufe rvill givc thc cquivalcnt squrrc {eerrequired. The Nov Murrr-v RaLliator can then be selcctcd dirccdy frorn rheraring t.rblcs on p.rgcs 57-59.SpccilidArcrag. Water TcmperarureB.t.u.in Nerv Murr.ry RadiarorsPc! Sq. Ft,21.5 degrees...... . . .. ..... 240B.t.u.210 degrees.......... ... .. 230 B.t.u.200 dcgrees........ ...... 210B.t.u.I 90 dcgrccs ..... .. . . . . ..... 190 B.r.u.180 degrecs........ 170 B.r.u,170 degrees . . . . . . . . . .. f.iO B.c.u.160degrees............ ... 130B.t.u,1s0 degrees. . . . . . . . . .110 B.t.u.[60]AMERICANNo, 9.tsRADIATORSPEERLESS \ilALL RADIATORSAMTRICANlccrless Wrll R,,dilrors lref\ J*igned ro give m:rxrmum hecrinlrtsults rvhere radiation space is limircd, as,n frctorywork, shops, loft buildings, storc,lrouses, garages, lobbies, corridors, stairways,Thcsc radiators arc madc in 6ve styles,\idr provisions for nurnerous groupirrgs; andmry be assembled to meer any structLrrxlcondirion, firting inro resrricted spaces ofpracrically any size or shnpc, undcr lvindo$,s. - lr rq r.rr r hrrn. on w:lls, cerlinss or in rky.lisl\rs.Right- and lcft-hand threaded hexagounipples mac'lc of malteable iron arc suppliedfor connccring banks of assembled radiators.Peerless Wall Radiators should always bcassembled rvirh bars vercical to sccure greatcsthcating eficiency. The 7- and 9-footSections arc, thereforc, made in two styles:Nos. 7-A and 9-A have bars runnine crossrviseof the Section and are resuhrly tappedfor connectlng cnd to end. Nos. 7-B and 9-Bhrr' lr-s lrn rirrs lrngrhw'- ofrhe S.c,ionand arc regularly tapped for connccring si.lcby skle,No. 5-A is made with bars mnnine crosswiscof the Section only and is rcgularlycappcd for conneding end to end.On spccial order, the No. 5-A, 7-A and 9-AScctions can be fLrrnished *ith tappings at30, 40, 70, and 80 as illustratcd on page (,2.ForR,,rng' and M.r.'rremcnts-iS'.rron.ancl Asscmblages see pages 62, 63 and 64.For Methods of Asscmbling, scc pages 62to 71 inclusive.For Tappings, Connections, Dircctions forOrdcring, and Shipping Conditions, see161 INo. 7-B