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EXB
www.AURACONTROLS.com
EXB Features1. Dynamic cartridge or diaphragm sensing element•Flexible solution for application
2. Field access to adjusting spring•Changecontrolrangeinfield
3. Field access to adjusting screw•Lock pressure setting
4. Threaded bonnets and rear mounting holes•Able to panel or surface mount
5. Hi/Lo diaphragm stop•Extendsdiaphragmlifecycle
6. Multiple seat materials•Ensuresreliabilitybyeliminating
reactionwithmedia
TheAURAEXBbackpressureregulatorprovidesadjustable relief of excess pressure in closed loop systemscausedbyspikesininletpressureupto35bar.AURA’sdualsurface diaphragm or dynamic cartridge sensing elementsincreasetheprecisionandflexibilityofpressurecontrol.Thisallowstheendusertoaccuratelythrottleexcesspressurefromthesystem,whereasstandardreliefdevicesonlyprovideopenandclosefunctions.AURA’sproprietarymachiningprocessyieldssurfacefinishesof4-25Radesignedtoreducecorrosion.TheAURAEXBisassembledinaClass100cleanroomasacompleteassemblywithallgauges,fittings,andvalvesattached.Thecompleteassemblyiscleanedforoxygenserviceandis100%heliumleakchecked.Additonally,theEXBundergoesmultipleflowandfunctionteststoensurethehighestlevelofpurityanddurability. Available with Dursan®LSinertandanti-corrosivetechnologythatprovidessuperiorcorrosiveresistanceversusexoticmetalsinhighlyacidicorcausticapplications,theAURAEXBbackpressure regulator is thechoice foraccurateandreliable excess pressure control.
(Diaphragmmodelshown)
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24
4
65
3
Back Pressure Regulator
EXBBack Pressure RegulatorTechnical Data and Product Specifications
AURAProductsareManufacturedandAssembledintheU.S.A.
EXB Regulator, PCTFE diaphragm, 114kg spring
EXB Regulator, Viton diaphragm, 23 kg spring
EXB Regulator, Viton dynamic cartridge,7 kg spring
Functional Specifications
Materials of ConstructionEXBS EXBC EXBG
Body 316Lstainlesssteel Chrome-platedbrass Dursan® LS
Bonnet 304stainlesssteel Chrome-platedbrass Dursan LS
Sensing Element 316Lstainlesssteel 316Lstainlesssteel Dursan LS
Seat Viton,PTFE,PCTFE Viton,PTFE,PCTFE Viton,PTFE,PCTFE
Nozzle 316Lstainlesssteel Brass Dursan LS
O-Ring Seal (piston model) PTFE PTFE PTFE
Design Pressure •Workingpressure:210barPTFE/Viton®
•Workingpressure:380barPCTFE•Burstpressure:>4xWorkingpressure
Temperature •PTFE:-40˚Cto60˚C(-40˚Fto140˚F)•PCTFE:-40˚Cto66˚C(-40˚Fto150˚F)•Viton:-40˚Cto60˚C(-40˚Fto140˚F)
Maximum Inlet Pressure •Diaphragm(35barmaximuminletpressure)•DynamicCartridge(45barmaximuminletpressure)
Weight (bare body)
•1.06kg(2Ibs.5.5oz.)
Leak Rate •External:1x10-9Heccs(diaphragmmodel)•External:1x10-7Heccs(pistonmodel)•Seat:1x10-7He ccs
Gauges (optional)
•51mmmanufacturedtoANSI/ASME B40.1
Each EXB regulator assembly includes:
•Class100cleanroomassembly•100%heliumleakcheck•Cleaningforoxygenservice•100%functiontest•Silicone-freeassembly•Certificateofconformance•Certificateofcleaningforoxygenservice
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FLOW (LPH)
INLE
T (B
AR
)
0 1,415 2,830 4,250 5,665 7,080 8,500 9,910 11,330 12,750 14,160
0
1
1.5
2
2.5
3
4
5
5.5
6
7
FLOW (LPH)
INLE
T (B
AR
)
0 1,415 2,830 4,250 5,665 7,080 8,500 9,910 11,330 12,750 14,160
0
.1
1
1.25
1.5
1.75
2
2.5
2.75
3
3.5
FLOW (LPH)
INLE
T (B
AR
)
0 1,415 2,830 4,250 5,665 7,080 8,500 9,910 11,330 12,750 14,160
www.AURACONTROLS.com
Ordering Information
Mounting and Installing Information
1501HarpersRoad,VirginiaBeach,Virginia23454
+1. 757.422.8362 www.AURACONTROLS.com
RegisteredISO9001
M35x1.5 Thread
(Optional)Kit MountPanel
50.3
mm
(ø1.
98")
55.9
mm
(ø2.
200"
)
TYP.Port 1
Max. Panel Thickness = 9.53mm (.375")Panel Hole = 35.3mm (ø1.39")
69.2mm (ø2.726")
Port 2Port 4
Port 3
Female Port
Kit (Optional)Captive Vent Orientable
ø1/8" NPT
(2")50.8mm
90°
50.3
mm
(ø1.
980"
)
(ø.750")Bolt Circle
(.750")
86.9mm (3.42")
(1.96")49.8mm
19.1mm(.280") Deep
port arrangement.) depends on (Orientation
#10-32 UNF-2BThread x 7.1mm
19.1mm
69.3mm (2.73")
136.5mm max. (5 3/8")(1 5/8")41.3mm
Digit 4 - Material of Construction S=316LstainlesssteelN=Nickel-platedbrassC=Chrome-platedbrassG=DursanLSinertandanti-corrosivetechnology
Digit 5 - Pressure Range1=0-1bar2=0-3bar3=0-7bar4=0-17bar5=0-35bar
Digit 6 - Gauges0=NoGauges1=InletGauge(psig/kPa)2=OutletGauge(psig/kPa)5=InletGauge(BAR/psig)6=OutletGauge(BAR/psig)
Digit 7 - Sensing Element/Seat1=DynamicCartridge/Viton2=DynamicCartridge/PTFE*3=DynamicCartridge/PCTFE4=316LDiaphragm/Viton*5=316LDiaphragm/PTFE*6=316LDiaphragm/PCTFE** Notavailablefor35barpressurerange
Digit 8 - Assembly See the EX2 Port Configuration Table on the back of this brochure for choice of assembly.
Digits 13-15 - Inlet Port000=None(¼"femaleNPT)M06=6mmsscompressiontubefittingTF4=¼"sscompressiontubefittingTF6=⅜"sscompressiontubefittingTF8=½"sscompressiontubefitting
Digit 16 - Valve Assembly0=Novalve(ss,ni,cp,LumiShield)1=Diaphragmvalve(ss,cp,LumiShield)
Digit 17 - Outlet Fitting0=None(¼"femaleNPT)1=¼"maleNPTfitting2=⅛"sscompressiontubefitting3=¼"sscompressiontubefitting4=⅜"sscompressiontubefitting5=½"sscompressiontubefitting6=6mmsscompressiontubefitting7=8mmsscompressiontubefitting8=10mmsscompressiontubefitting9=12mmsscompressiontubefittingA=⅜"BSPRHcpfittingB=⅜"BSPLHcpfittingC=⅛"cpcompressiontubefittingD=¼"cpcompressiontubefittingE=⅜"cpcompressiontubefittingF=½"cpcompressiontubefittingG=6mmcpcompressiontubefittingH=8mmcpcompressiontubefittingJ=10mmcpcompressiontubefittingK=12mmcpcompressiontubefitting
EXB -01- - 04 6 135 7 14 168 15 17
Key:ss = Stainless steelni=Nickel-platedbrasscp=Chrome-platedbrassRH=RighthandLH=LefthandCON=CylinderConnection
NOTE:Ifyouareunabletofindaconfigurationspecifictoyourapplication’sneeds,callAURAGasControlsdirectlyat+1.757.422.8362.
Accessories:Panel mount kitEXPA0002-01-000-000
EXBBack Pressure RegulatorPort Configuration Table
Key:OO-OutletOpenOP-OutletPluggedIO-InletOpenIP-InletPlugged
1501HarpersRoad,VirginiaBeach,Virginia23454
+1.757.422.8362 www.AURACONTROLS.com
RegisteredISO9001 LEX3179EXB-C-I
3 4
90°
1 2
6 B C5
OO
OO
OO
OO
OO
OO
OO
OO
OO
OO
OO
OOIO
IO IO
IO
IOIO
IO
IO IO
IO
IO
IO
OP OP
OP
IP
IP
IP IP IP
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