EXB

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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)

1

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

0

3

7

10

14

17

21

24

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

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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