OXYGEN/FUEL FLASHBACK
MODEL NO’S: SGA3/FBA, SGA4/FBA
Thank you for purchasing a Sealey product. Manufactured to a high standard, this product will, if used according to these instructions,
and properly maintained, give you years of trouble free performance.
IMPORTANT: PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS & CAUTIONS. USE
THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR
PERSONAL INJURYAND WILL INVALIDATE THE WARRANTY. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.
Refer to
instruction
manual
SGA3/FBA, SGA4/FBA Issue 1 16/12/2022
Original Language Version
© Jack Sealey Limited
Wear eye
protection
1. SAFETY
1.1. SPECIFIC FLASHBACK ARRESTOR SAFETY WARNINGS
9 Theinformationontheashbackarrestorsuchasdescriptionofgas,maximumoperatingpressureanddirectionofowsignhas
tobefollowed.
9 Morethanonecomponentshouldn’tbeconnectedtotheashbackarrestor.
9 Nomarking(e.g.itemnumber,dateofrstoperationetc.)byscratchingorpunchingisadvised.Underthesecircumstances,
9 Flashbackarrestormaygetdamagedandleakagemayoccur.
9 Flashbackarrestorsshouldbeusedaccordingtotheinformationmarkedonthem.
9 Theseproductsaremanufacturedbylatesttechnologyregardingtospecifytechnicalrules,presentstandardsandinstructions.
9 Usermustfollowtherecommendationsinthismanual.
9 Stathatuseweldingequipmentandtheircomponentsshouldhaveknowledgeabouttheseprocessesorbetrainedbyregisteredby
institute/staaccordingtocurrentregulationsinplace.
9 Alwayshaveareextinguishernearby.
9 Itisimportanttoreadtheinformationontheashbackarrestorwhichgivesadescriptionofgas,maximumoperatingpressureand
directionofowwhichneedstobenotedandobserved.
9 Morethanonecomponentshouldn’tbeconnectedtotheashbackarrestor.
1.2. SITUATIONS THAT MAY CAUSE FLASHBACK
9 Whencuttingtorchisdamagedorusedincorrectly.
9 Whenhighpressurizedoxygengasmixedinthelowpressurizedammablegasttingasaresultofwrongadjustmentofoperating
pressures.
9 Whencomponentsconnectedwhicharenotsuitableforeachother.
9 IftheOxygencylinderrunoutofgas;ammablegasowsinsidetheoxygencylinderreverselythroughregulator.
9 Whenuntutoredandinexperiencedusersusetheproducts.Wheninstructionsarenotfollowed.
9 Whencomponentsareconnectedwiththewrongtools.
9 Usageofgasesorpressuresdierentthanoneswhicharedenedonthismanualandontheproduct.
9 Whenproductisusedattemperaturesunder-20°Candover+60°C.
1.3. Keepawayfromameatalltimes.Makesurethathosesarelaidatwherepossibleandnotinapositionwheretheycanbe
runoverbyvehicles,whichwouldresultinpermanentdamage.
9 Emptycylindersshouldbekeptinspeciedareasandclearlymarked‘EMPTY’.
8 Neveruseoilorgreaseonanyinletconnections,outletconnectionsorcylindervalves.
9 Examinehosesforcuts,burnsorwornareasbeforeeachuse.Alsoinspectttingsfordamage.Ifanydamageisfound,replace
immediately.
8DO NOTrepairhoseswithtape.
9 Keepallthreadsandunionscleanandfreefromoil,dirtorgrease.
8 Neverapplyoilorgreasetoanythread.
9 Makesurebottlekeysareinplaceatalltimessothatintheeventofanemergencythevalvescanbeturnedoquickly.
9 LEAKINGHOSESCANKILL.Leaktestallconnectionsandvalvespriortoeachuseoftheequipment.
8DO NOTjoindamagedhoses,theymustbereplacedimmediately.
9 Rememberatalltimes BLUE=OXYGEN‘O’ RED=ACETYLENE‘A’.
8 Atnotimemayyouinterchangethispartwiththoseofothermanufacturers.
9 OnlySealeyreplacementitemsshouldbeused.
9 Allrepairs/calibrationsmustonlybeundertakenbyaBCGAapprovedserviceagent.
2. INTRODUCTION
Protectsoperators,regulatorsandgassupplyfromtheconsequencesofsevereformsofashback.Colourcodedforeasy
recognition.ItalsoconformstoBSENISO5175-1:2017standard.
