Install Instructions

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BV Series Refrigeration Ball Valve
BV Series Refrigeration Ball Valve
Instruction Sheet
PA-00330
September 2010
11911 Adie Road P.O. Box 411400 St. Louis MO 63141 USA CUSTOMER SERVICE [phone]
General Information
The BVE/BVS series of Bidirectional Ball valves are
designed for general use in isolating suction, discharge
and liquid line pipe-work during maintenance shutdown
periods.
Safety Instructions
• Readinstallationinstructionsthoroughly.Failureto
complycanresultindevicefailure,systemdamageor
personalinjury.
• Itisintendedforusebypersonshavingtheappropri-
ate knowledge and skill. Before attempting to install the
valve,makesurepressureinsystemisbroughttoand
remains at atmospheric pressure.
• Donotreleaseanyrefrigerantintotheatmosphere.
• Donotuseanyotheruidmediawithoutpriorapproval
ofEmerson.Useofuidnotlistedcouldresultin:
- Chemical deterioration of components within the valve
• Theattachedstrap(Fig.3)containsimportantvalve
data.Donotremovebecauseofwarrantyandtraceabil-
ityreasons.
• DonotconnectonBVSSchraderconnectionanysafety
pressure switches or other control devices
Mounting Location
• TheBVE/BVSvalvemaybeinstalledinanyposition
which allows access to remove the stem cap. The
valves are bidirectional.
• LocatetheBVE/BVSascloseaspossibletothesection
of pipe-work to be isolated. This will reduce the amount
of refrigerant to be recovered during future maintenance
ofthesystem.
Installation Instructions
• Donotremovesealcapsuntilreadyforinstallation.The
seal caps should be removed with care to avoid damag-
ing the connections.
• ForBVSversiondonotmountschraedervalveandcap
before brazing.
• Ensurevalveisinthefullyopenpositionbeforebrazing
(seeFig.2a).Failuretodosocouldcausedamageto
internal components.
• Toavoidoxidation,itisadvisedtopurgethesystemwith
an inert gas such as nitrogen while brazing.
• Whenbrazing,directtheameawayfromthemainbody
of the valve to avoid possible internal damage. Use wet
ragsorothersuitableheatprotection(seeFig.1).On
largerbodysizesitmaybenecessarytore-humidifywet
rags with additional water during brazing process!
• Toavoidoverheatingthevalvebody,itisadvisedto
makethejointatoneendandcoolthevalvecompletely
before repeating the procedure on the other end con-
nection.
• ForBVSversioninstallschraedervalveandschraeder
valve cap after cooling down of the ball valve.
• ForpanelmountingseedimensionofholesinFig.4.
Leakage Test
• Aftercompletionofinstallation,atestpressuremustbe
carriedoutasfollows:
- Tomaximumworkingpressureofsystemforotherap-
plications
Warning:Failuretodosocouldresultinlossofrefrigerant.
Operation
• TheValvehasabuilt-instopforthestemandopening/
closingofthevalveisclearlyindicatedasshowninFig.
3.OpenValveisshowninFig.2aandclosedvalvein
Fig.2b.
• NeverleavetheballpositionasshowninFig.2cother-
wise seat leakage can occur.
• Toavoidoperationbyunauthorizedperson’svalvecan
be equipped with a sealable cap which is available as
accessory(seeg.5).
• TheplasticcapisequippedwithanO-Ring.Donotuse
anytooltomountthecap.Capmustbeclosedhand
tightonly.
Warning:Ifthevalveisinstalledinhotgasdischargeline,
the valve has hot surface temperature during operation
ofsystemorshortafteroff-cycle.
• TheDesignpressuremarkedonthiscomponentshall
notbelessthantheinstalledsystemworkingpressure
orlessthanthevaluesoutlinedinANSI/ASHRAE15for
the charges refrigerant. After charging mark the installed
equipmentwiththerefrigeranttypeandOilused.
• ForusewithHFCandHCFCrefrigerantlistedinCAN/
CSAB52,ANSI/ASHRAE34andANSI/ASHRAE15
SEC.9.2.Wherethesaturationpressureat125°F(High
side)and80°F(Lowside)islessthanthemaximum
designWorkingPressure.AfterchargingmarkUnitwith
refrigeranttypeandoiltype.