User guide

Fill
orHX
withCheck
AirVent
AirSeparator
AirVent
Gage
Diffuser
B&GSystemPump
ToSystem
B&GTripleDutyValve
TankPurgeValve
SeriesD-Vertical)
INSTALLATIONINSTRUCTIONS
1. InstallTankPurgeValvebetweentheexpansiontankandthesys-
temsothatthedrainvalveisbetweentheexpansiontankandthe
isolationvalve.(Theunionconnectionisinstalledonthetank).The
TankPurgeValveshouldbeinstalledsothatboththedrainvalve
handleandtheisolationvalvehandlesareeasyaccessible.Refer
toFigure1.FortypicalinstallationdrawingsrefertoFigure2and3.
2. ForinstallingSweatConnections:
a) Cleantubeendsandvalveconnectionsthoroughlypergoodpip-
ingpracticeswithafinegradeemeryclothorfinegritsandpaper.
b) For soldering, use 95-5 (Tin-Antimony) solder and a good
gradeofflux.
c) Useatorchwithasharppointedflame.
d) Whensweatingthejoints,firstadjustthevalveinthefullopen
position, then wrap the valve with a cool wet rag and then
directtheflamewithcaretoavoidsubjectingthevalvetoexces-
siveheat.Allowthevalvetocoolbeforetouchingoroperating.
e) Checkthesolderedconnectionforleaks.
3. ForinstallingNPTconnections:
Applypipecompoundconservativelytomaleconnectingfittingsonly.
Afterinstallationcheckalljointsforleakageandretightenwherenecessary.
OPERATIONINSTRUCTIONS
1. Todrainthetankfirstclosetheisolationvalvebymovingthehan-
dle one quarterofa turn until the handle isperpendicular to the
valveandpiping.Allowthetanktocoolto100°F(38°C).
2. Removethecapfromthe
5
/8"drainonthedrainvalveandconnect
a
5
/8"gardenhoseontothedrainvalve.
3. Movethehandleofdrainvalveonequarterofaturnuntilitisinline
withthevalvebodyandsystempiping.
To return the Tank Purge Valve to the operating position turn the
drain valve handle until it is perpendicular to the valve body and
replacethecapontothedrain.Movethehandleoftheisolationvalve
onequarterofaturnuntilitisinlinewiththevalvebodyandsystem
piping.
SERVICEINSTRUCTIONS
Periodically inspect the Tank Purge Valves for signsofcorrosionor
leakage. If steam leakage is observed the brass hex packing nut
shouldbetightenedslightlyuntilleakstops.Iftighteningthepacking
nutdoes notstop theleakorsignsof leakageare notedelsewhere,
theTankPurgeValvemustbereplaced.
WARNING: Use of improper procedures to sweat valve
modelwithunionconnectionintosystemcandamagevalve.
Before sweating valve connection, remove the union nut and
O-ringfromthe valvebody.Failureto followthisinstructioncould
resultinpropertydamageand/ormoderatepersonalinjury.
CAUTION: Heat associated with the use of silver solder
may damage a Tank Purge Valve and voids the product
warranty.Donot usesilver solder. Failureto followthese instruc-
tions could result in property damage and/or moderate personal
injury.
CAUTION: TheuseofPTFEimpregnatedpipecompound
andPTFEtape onpipe threads provideslubricity. Care
shouldbetaken topreventovertighteningwhichmaydamagethe
valvebody.Failuretofollowtheseinstructionscanresultinmoder-
atepersonalinjuryand/orpropertydamage.
WARNING: Itispossible,dependingontheageorcondition
ofthedrainvalvestemseal,forsomeliquidtoescapewhen
closingthevalve.Donothaveeyesorfacedirectlyunderneaththe
valve. Failure to follow these instructions could result in serious
personalinjury.
WARNING: Corrosion or leakage are indications that the
shutoff valvemaybe about to cause seriousdamage. The
Union ended valve must be replaced. Failure to follow these
instructions could result in serious personal injury or death and
propertydamage.
FIGURENOTES
1. Tankconnectionlocationsmayvarydependingonthetypeoftank
tobeinstalled.
2. Provideananti-thermosyphonloopwithaminimumdropof12"to
preventgravityheatingofthetank.
3. Figures 2 and 3 show where a tee would be located if multiple
expansiontanksareinstalled.
Figure2–VerticalTankInstallationwithRolairtrolAirSeparator
WARNING: Hotfluidsand/orfluidsunderpressurearesafety
hazard.Donotdrainwhileitishotorunderpressure.Failure
tofollowtheseinstructionscouldresultinseriouspersonalinjuryor
deathandpropertydamage.
withCheck
Fill
AirVent
orHX
Separator
Diffuser
Pump
ToSystem
B&GTripleDutyValve
ExpansionTank
AirVent
P
Gage
TankPurgeValve
Figure3–HorizontalTankInstallationwithRolairtrolAirSeparator
Xylem Inc.
8200 N. Austin Avenue
Morton Grove, Illinois 60053
Phone: [phone]
Fax: [phone]
www.xyleminc.com/brands/bellgossett
Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries.
© 2012 Xylem Inc. V58222C September 2012