Brvo Opeatng Instrucions: - PDF document

Brvo Opeatng Instrucions: The Betlhem Bravo Bench Burner was designed for use wih gas and oxygen. Propane i te preferabl gas, and i readil availbl from gas ditriutrs. e sure tatyour gas ditiutr ca supply you wih a pressure regultr. The regultr shoul be equiped wit a gauge so you ca see how much fuel remais i your feltnk, and idicat te pressure you E AMILIAR WTH HE ODOR OF HE FUEL OU ARE USNG. ALL GAS UELS AVE A DISINCT ODOR. HE ANUFACTURER PRPSELY ADDSTHE ODOR S YOU CAN EASLY ETECT A GASLEAK. HE ODOR S DIFFERENT ROM HE MELL F URNED UEL (CALLED PODUCTSOF COMBUSTION). READ ALL INSRUCTION ANUALS SPLIED YYOUR GASDISTRIBUTOR BEFORE OPRATING YOUR NEWB The Bravo has four modulr vales attched t te sie of te burner. The lrger dimeter vales work te outr fie and te smallr dimetr valves work te inner fie. A red knob idicats gas connectins and a green knob idicats oxygen connectins. GAS is alo stmped on the gas valve cap and OXYi stmped on te vale cap for oxygen. The four separate h edaloxygen saver. If foot-pedalmechanims are notdesired ten te gas and oxygen connectins may be cmbined wih a Y-connectr. Be sure t only connectgas lnes t each oter.We hae upplied you bune ith B-fitting hoe connecors o afey reaon. he hoe ith B-fitting ill peven you rom connecting hega ad oxgen mpopely. B-fitting hae dffeen head o peven mistake n connec ing uppy cmpane a ell a ay gass art suppy houe. O-Ring: The Bravo uses silione O-rings atseven (7) lcatins. Three of te O-rings are itrnal connectins and four of te O-rigs connectt the four modulr valves. Whil the O-rings are ratd for hih tmperatres (approxiatly 400 degrees F), tey may dr overed belw) rtrn the burner for O-rig replacement.Optimum Fuel Pressre: Gs :2 psi,15 ft3/r, 425 litrs/r, 7.1 litrs/min, 37,740 BTU/r.Oygen :8 psi,66 ft3/r, 1867 litrs/r, 31.1 litrs/inDONO E :The Bravo i desined t produce a wie varity of flme configuratins so you can have te greatstversatiliy i your glss workig. The flme i surface-mied and operats wihoutlud noie or flshback fuelflw t a minimum. On Betlhem burners, lud noie does notidicat more heat. The soft itnse ble flme willbate your work in heat whih willquikly penetatethe glss. For best result, you shoul lghtthe gas flme fist. Oce you have the yellw flme clse t te burner head, you can slwly add oxygen. soon as oxygen i added, te clr wilchange from yellw t ble. hi idicats compltecombustin. As you change the flme heightyou shoul always keep te flme colr as ble as possil. The idiiualjet (smallcones of sharp colr near te burner face) shoul be keptfrom giving o ff any yellw “candls”. Yllw candls indicat unburned fuel. They are usualy caused by the additin of too much gas, eiher by volume or pressure. Uburned fuelwillcause carbon deposit i the face of the burner. Keep carbon deposit t a minimum. If a deposit buils up on the burner face, you willoverheatte front face, casig the burner t detrirat. arbon deposit wilalo change te flme charactritis of your burner. Ue t he stilss steelcleaning wie t remove allbon deposit.To extiguih te flme you shoul always turn off the oxygen before te gas. notover tihtn the vales. For more informatin aboutBetlhem Burners viitour web sit at htt://ethlhemburners.com .Bethlehem ravo Burner Technica haacterisics: Surface-Mied BurnerAllBethlhem Burners are gas and oxygen surface-mixed. The gas and oxygen are keptseparat untilthey lave the face of the burner. Thi styl of burner allws for te greatstflxiiliy i operatin wihoutflshback. Betlhem’s Bravo allws the operatr te freedom of regultig the flme size simply by turning te gas or oxygen valves. Whereas a stndard pre-mi burner woul require te operatr t c hange burner tis t achive similr resuls i performance.FlshbackA flshback is when pre-mixed fuels burn insie the burner body, resultig in a flme blw out or even an intrnal flme tatwilldestoy a burner.The surface-mixed burner, as i te Bravo, i safer because tey willnot allw the fuelmixtre t burn insie te burner body. herefore, as i pre-mix burners,fie checks and flme arrestrs are not requied wit h the Bravo. To tst your burner for proper performance, justsimply turn off the oxygen flw. If there i a loud bang, ten pre-miing i occurring and te burner should be retrned t Betlhem Apparats for repais. CAUIONDONO UE BUNRS THT MAK A LOUD BANG WHNTH OXYGNSUPLY IS ABRUTLYCUT OFF.GasesBetlhem’s Bravo i designed t burn natralgas, hydrogen, propane or butne fuel. D notuse acetylne. Acetylne cntins excess cabon tatwillclg te gas port on te burner face.Crbon Build-UpHih cabon contntfuel, lke propane, wildepositbon on te frontface of te burner. Eventualy, te gas hols wil clg. Ulss the cabon is cleaned away, the surface tmperatre of the burn er face willgettoohot Hih burner frontface tmperatures willcause a rapi deteriratin of te burner head and shortn te lie of the burner.O a daiy basis, use the ached stinlss steelclaning wie t remove cabon builup from te burner face. Push te wie trough each hole on te frontface of the burner. Atr cleanig, trn the burner ont hih flme so te dit generatd from cleaning willbe flshed out A sliht tppig on the b urner during the high flme caning will alo hel loosen the dit.If te cabon i not cleaned awy daiy, the burner will begi t generatcalized hotspot atte carbon deposit. These hotspot willcause the frontplt t detrirat. Eventualy the gas hols drilld i te frontplt will become too lrge for proper gas and oxygen ditiutin causing an unbalnced flme.Bench Burner Cnter FieThe Bravo has two independentburners i one burner barrel Oe centr surface-mixig flme and one rig surface-mixing flme wih eah operatd wit a eparate set of gas and oxygen valves. Due t ti uniue desin, NVR OERATE THE OUER RINGBUNR WITHOU SOE GS ANDOXYGNGONG THOUGH THE CENTER FIRE BUNR. eratng te Bravo wit the outr rig burner only willcause a carbon buil up over te centr flme gas and oxygen port.Crbon Monoxie WrnigAllBethlhem B urners are desined t be operatd wit gas and oxygen. The burners are itnded t produce an open flme. EXREME CAE mustbe tken t assure tat combustil matril are keptaway from the open flme. The burner flme i combustin, whih result in te productin of watr vapor, carbon dixie, and carbon monoxie, whih i a hihly poionous, odorlss, colrlss, tstlss gas. Iti very flmmable. Be sure t use adeq uat ventiltin when operatig burners. Ue acarbon monoxie detectr in te room where burners are operatd. D notsmoke aound combustil gases.Safety eglaios AllBethlhem burners are surface-mixed and do not requie a flshback arrestr, whih is requied for pre-mix trches. Hwever, te need for a lshback arrestr may be subjectt regultin. Therefore, we advie allof our burner custmers t check wih teir lcal, stt and federal regultins regarding burner/torch requiement.