philmac valve technical manual non-return valves
DESCRIPTION
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36Valves TECHNICALMANUAL
FOOT AND NON-RETURN VALVES
TheAustralianmadePhilmacfootandnon-returnvalvesaremanufacturedfromthe
highestqualitymaterialstoensureyearsofreliableservice.
Basedonthesimplemovementofapiston,bothvalvesaredesignedtoallowwaterto
flowinonedirectiononlytoavoidlossofwater,preventbackflowandensurepipelines
donotdrain.Thenon-returnvalveisdesignedtokeeppumpsprimed.Thefootvalveis
designedwithafiltertopreventdebrisintothepipelineandpump.
Backedbyafullrangeofspareparts,Philmac’scommitmenttocustomerserviceand
over20yearsinthefieldthisindestructiblevalveisonethatyoucanrelyonandtrust.
Fast and Easy Installation• Multi-positionInstallation:Thevalves
havebeendesignedtoworkineither
avertical(withwatermovinginan
upwardsdirection)orhorizontal
positionforflexibleinstallation.
• BSPInletThreads:TheRuraland
IrrigationsectorsuseBritishStandard
Pipe(BSP)threadsasastandard.
Philmacalsousesthesethreadtypes
acrossthevalverangetoensure
compatibilitywithotherthreadedfittings
andmakeinstallationeasy.
• FlowIdentification:Thebodyisclearly
markedwithanarrowtoindicatethe
directionofflowofwater.
Complete Security• ReliableOperation:Consistenthigh
qualityinjectionmouldedplasticbodies
andcomponentsplusNitrileO-rings
andastainlesssteelspringmeansyears
ofreliableoperation.
• CorrosionResistant:withaplasticbody
andcomponents,nitrileO-ringsanda
316stainlesssteelspring,allcomponents
aremadefromhighqualitycorrosion
resistantmaterials.
• ProtectiveScreen:Ascreenisfittedas
standardtothefootvalvetominimise
theentryoflargeobjectswhichmay
causethepistontojamandleavethe
valveinanopenposition.
High Performance• Manufacturedfromadvanced
thermoplasticmaterials:Philmacfoot
andnon-returnvalvesaremanufactured
fromlightweighthighperformance
thermoplasticmaterials,whichhave
excellentimpact,UVandcorrosion
resistance.Thematerialisnon-toxicand
taintfree.
• Highpressurerating:Footandnon-
returnvalvesareratedtoapressure
of1400kPa(200psi)(staticshutoff)at
200Celsiustomeettherequirementsof
highpressuresystems.
• Lowpressureshutoff:Footandnon-
returnvalvesaredesignedtosealoffat
20kPaofpressuremakingthemwell
suitedtogravityfeedsystems.
Complete Coverage• Widerange:Therangeoffootand
non-returnvalvesiscomprehensiveand
includessizesfrom½”to2”(DN10to
DN50).
BENEFITS
Agriculture:Footvalvesonpumps.Non-returnonelevatedpipelines.
Irrigation:Footvalvesonpumps.Non-returnonrisingmainlines.
APPLICATIONS
Valves TECHNICALMANUAL37
Philmac’srangeoffootandnon-return
valvesaredesignedtocomplywiththe
followingstandardsandundertakearange
ofteststoensuretheycomplywiththese
standards.
StandardsAS1722.1:PipethreadsofWhitworth
formpart1:sealingpipethreads.
ISO7:Pipethreadswherepressuretight
jointsaremadeonthethreads
TestsShutOffTest:Valvesaretestedforshut
offagainstahydrostaticwaterpressureof
16kPa(2.3psi)or0.16barand200kPa
(29psi)or2bar.
STANDARDS & TESTS
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Non-ReturnValve FootValve
38Valves TECHNICALMANUAL
FOOT AND NON-RETURN VALVES OPERATION & INSTALLATION INSTRUCTIONS
1. ApplyPTFEtapeorapprovedsealant
tothemalethreadthenon-return/
footvalveistobescrewedinto.
Sufficienttapeneedstobeappliedto
ensureawatertightseal.
2. Screwthevalveontomalethreadby
handuntilfirm.Confirmthecorrect
orientationofthevalvebychecking
thewaterdirectionarrowispointing
downstream.
3. Usingapipewrenchormultigripsontheendcapsonly,furtherscrewthenon-return/footvalveintothemalethreaduntiltight.Wherenecessaryensurethemalethreadisheldstationarytoavoiditfrommoving.Donotusepipewrenchormulti-gripsonthebodyofthenon-return/footvalve.
Philmac’sfootandnon-returnvalveshavebeendesignedtoallowwatertoflowinonedirectiononly.Thedirectionofwaterflowis
clearlymarkedbyanarrowonthebodyofthevalve.Undernoflowconditionsthespringassistedpistonsitsintheclosedposition.
Philmacfootandnon-returnvalvescanbeconnectedtobothplasticandmetalthreadedfittings.PTFEtapeoranapprovedsealantis
required.
Valves TECHNICALMANUAL39
SYSTEM DESIGN CONSIDERATIONS
MinimumSealingPressure:20kPa(3psi)
or2mor0.2barofheadat200C.
MaximumOperatingPressure:1400kPa
(200psi)at200C.
Threads:AllthreadsareBSP(Whitworth
form).
Sealingthreads:Philmacrecommends
sealingthreadswithPTFEtape.Other
approvedsealantsforplasticmaterialscan
beusedprovidingthesealantdoesnot
enterthevalvewhereitmaycausedamage.
Operatingtemperature:Connectionis
coldwater(lessthan200C)rated.
Weathering:Allplasticmaterialsused
containpigmentstoprovideexcellent
protectionagainstdegradationfrom
ultra-violet(UV)radiation.However
long-termcontinuousexposureto
UVisnotrecommendedandplastic
componentsshouldideallybeprotected.
Pressure Loss (kPa) – Foot ValvesFlow Rate (L/s)
Inlet Size¾”
(DN20)1”
(DN25)1 ¼”
(DN32)1 ½”
(DN40)2”
(DN50)0.5 22 20 * * *1 36 23 13 * *
1.5 58 32 14 * *2 88 48 16 13 *
2.5 124 70 20 14 *3 - 99 25 15 104 - - 39 21 105 - - 59 32 126 - - 85 47 127 - - 116 68 138 - - - 92 179 - - - 122 22
10 - - - - 3011 - - - - 3912 - - - - 4913 - - - - 6214 - - - - 7615 - - - - 9216 - - - - 110
* Denotes pressure loss too small to accurately measure
Pressure Loss (kPa) – Non-Return ValvesFlow Rate (L/s)
Inlet Size¾”
(DN20)1”
(DN25)1 ¼”
(DN32)1 ½”
(DN40)2”
(DN50)0.5 15 18 * * *1 27 20 15 * *
1.5 49 24 17 * *2 80 30 18 13 *
2.5 121 38 19 13 *3 - 48 22 13 104 - 74 32 15 105 - 108 46 21 106 - - 66 30 107 - - 91 42 118 - - 121 57 149 - - - 75 18
10 - - - 97 2411 - - - - 3012 - - - - 3813 - - - - 4714 - - - - 5715 - - - - 6916 - - - - 8117 - - - - 95
* Denotes pressure loss too small to accurately measure
CHEMICAL RESISTANCE
Philmac’sfootandnon-returnvalvesare
primarilydesignedtoconveywater.However
theremaybeoccasionswherethewater
containschemicalsand/oralternativefluids
needtobecontrolled.Thefollowing
tableisprovidedasaguide onlyfor
thecompatibilityofvariouschemicalsto
Philmacfootandnon-returnvalves.The
mixingtogetherofchemicalsmayaffectthe
compatibility.Philmac foot and non-return valves are NOT suited for acids.
Chemical CompatibilityAcetic acid (10%) RAcetic acid (50%) NAlcohol (ethanol) NAmmonium nitrate RAntifreeze RBrine RCalcium carbonate RCalcium chloride RCalcium nitrate RCalcium sulphateChlorine water NCitric Acid RCopper Sulphate >5% NDiesel (fuel) REthyl alcohol (ethanol) NHydrochloric acid (10%) NHydrochloric acid (30%) NKerosene RLubricating oils (not synthetic) RMagnesium nitrate RMagnesium sulphate RMineral oils RNitric acid (10%) NNitric acid (40%) NOlive oil ROrange juice RPetrol RPhosphoric acid (85%) NDrinking water RPotassium chloride RPotassium nitrate RPotassium sulphateSodium bicarbonateSodium hypochlorite (<10%) NSulphuric acid (10%) NSulphuric acid (30%) NUrea RZinc nitrate NZinc sulphate
N=NotRecommendedR=ResistantEmptyCell=NodataavailableNoterecommendationsbasedonfluidsat200Corless
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40Valves TECHNICALMANUAL
FOOT AND NON-RETURN VALVES MATERIAL & COMPONENTS
Foot ValvesSize Nominal Size Part Number Body Inlet/Outlet Piston Seal Ring O-rings Spring Filter
¾” DN20 95501200 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S Acetal
1” DN25 95501300 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S Acetal
1 ¼” DN32 95501400 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S Acetal
1 ½” DN40 95501500 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S Acetal
2” DN50 95501600 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S Acetal
Non-Return ValvesSize Nominal Size Part Number Body Inlet/Outlet Piston Seal Ring O-rings Spring
¾” DN20 95501200 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S
1” DN25 95501300 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S
1 ¼” DN32 95501400 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S
1 ½” DN40 95501500 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S
2” DN50 95501600 GF Nylon GF Nylon Alloy Acetal Nitrile rubber Nitrile rubber 316 S/S
SEAL RINGO-RING
PISTON
INLET CAP
FILTER
SPRING
BODY
OUTLET CAP
INLET
SEAL RINGO-RING
PISTON
INLET CAP
SPRING
BODY
OUTLET CAP
INLET
Valves TECHNICALMANUAL41
FOOT AND NON-RETURN VALVES RANGE & DIMENSIONS
Foot Valves
Size (A) Nominal Size Part Number B C
¾” DN20 95501200 47 127
1” DN25 95501300 55 148
1 ¼” DN32 95501400 62 166
1 ½” DN40 95501500 70 185
2” DN50 95501600 92 224
All dimensions in millimetres unless otherwise stated
Non-Return ValvesSize (A) Nominal Size Part Number B C
¾” DN20 95502200 47 84
1” DN25 95502300 55 98
1 ¼” DN32 95502400 62 110
1 ½” DN40 95502500 70 120
2” DN50 95502600 92 150
All dimensions in millimetres unless otherwise stated
C
BA
BA
C
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