Burkert 2030 User manual

Operating Instructions
Type 2030, 2031, 2031 K, 2032, 2033, 2037
Piston-operated diaphragm valves,
Actuator sizes 40–125 mm, Diameter DN8–DN65

We reserve the right to make technical changes without notice.
Technische Änderungen vorbehalten.
Sous réserve de modification techniques.
© Bürkert Werke GmbH & Co. KG, 2003 - 2019
Operating Instructions 1909/20_EU-EN_00893028 / Original DE

3
1 OPERATING INSTRUCTIONS............................................... 4
1.1 Denitionoftheterm“device”..................................... 4
1.2 Symbols....................................................................... 4
2 AUTHORIZED USE ............................................................... 5
3 BASIC SAFETY INSTRUCTIONS.......................................... 5
4 GENERAL INFORMATION .................................................... 7
4.1 Contactaddresses ...................................................... 7
4.2 Warranty ...................................................................... 7
4.3 InformationontheInternet.......................................... 7
5 SYSTEM DESCRIPTION ....................................................... 7
5.1 Generaldescription ..................................................... 7
5.2 Intendedapplicationarea............................................ 7
6 TECHNICAL DATA................................................................. 8
6.1 Conformity................................................................... 8
6.2 Standards .................................................................... 8
6.3 Typelabel .................................................................... 8
6.4 Labelingoftheforgedsteelvalvebody ...................... 8
6.5 Labelingofthetubevalvebody(VP)........................... 9
6.6 Operatingconditions ................................................... 9
6.7 Generaltechnicaldata............................................... 18
6.8 Flowvalues................................................................ 19
7 STRUCTURE AND FUNCTION ........................................... 21
7.1 Structure.................................................................... 21
7.2 Function..................................................................... 23
8 INSTALLATION .................................................................... 24
8.1 Installationposition2/2-wayvalve ............................ 24
8.2 InstallationpositionT-valveType2032 ..................... 25
8.3 InstallationpositionY-valveType2037 ..................... 25
8.4 Installationintothepipeline....................................... 26
8.5 Removingtheactuatoranddiaphragmfrom
 thevalvebody ........................................................... 27
8.6 Mountingtheactuatoranddiaphragmon
 thevalvebody ........................................................... 28
8.7 Connectionofthecontrolmedium............................ 29
8.8 Disassembly .............................................................. 29
9 ELECTRICAL CONNECTION .............................................. 29
10 MAINTENANCE................................................................... 30
10.1 Maintenance.............................................................. 30
10.2 Repairs ...................................................................... 32
11 MALFUNCTIONS ................................................................ 35
12 SPARE PARTS..................................................................... 35
12.1 Ordertableforsealsets ............................................ 36
12.2 Ordertablesfordiaphragm ....................................... 37
13 TRANSPORT, STORAGE, DISPOSAL................................. 38
Contents
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037

4
Operating instructions
1 OPERATING INSTRUCTIONS
Theoperatinginstructionsdescribetheentirelifecycleofthedevice.
Keep these instructions in a location which is easily accessible
toeveryuserandmaketheseinstructionsavailabletoeverynew
ownerofthedevice.
The operating instructions contain important safety
information.
Failuretoobservetheseinstructionsmayresultinhazardous
situations.
▶Theoperatinginstructionsmustbereadandunderstood.
1.1 Denition of the term “device”
Intheseinstructions,theterm“device”alwaysreferstothedia-
phragmvalvesofTypes2030,2031,2031K,2032,2033and2037.
1.2 Symbols
DANGER!
Warns of an immediate danger.
▶Failuretoobservethewarningmayresultinafatalorserious
injury.
WARNING!
Warns of a potentially dangerous situation.
▶Failuretoobservethewarningmayresultinseriousinjuries
ordeath.
CAUTION!
Warns of a possible danger.
▶Failuretoobservethiswarningmayresultinamediumor
minorinjury.
NOTE!
Warns of damage to property.
Importantadditionalinformation,tipsand
recommendations.
Referstoinformationintheseoperatinginstructionsorin
otherdocumentation.
▶designatesinstructionsforriskprevention.
→designatesaprocedurewhichyoumustcarryout.
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037

5
Authorized use
2 AUTHORIZED USE
Non-authorized use of the devices may be dangerous to
people, nearby equipment and the environment.
▶ThediaphragmvalvesofTypes2030,2031,2031K,2032,
2033and2037aredesignedforthecontrolofcontaminated,
ultra-pureorsterilemedia,aswellasforabrasiveoraggres-
sivemedia(alsowithhigherviscosity).
▶Thedeviceisdesignedforthecontrolledowofliquidand
gaseousmedia.
▶In potentially explosive atmospheres, only use devices that
areapprovedforthispurpose.Thesedevicesareidentiedby
aseparateExtypelabel.Beforeuse,notetheinformationon
theseparateExtypelabelandtheExadditionalinstructions
ortheseparateExoperatinginstructions.
▶Duringuseobservetheauthorizeddata,theoperatingcondi-
tionsandconditionsofusespeciedinthecontractdocu-
mentsandoperatinginstructions.
▶Protectdevicefromdamagingenvironmentalinuences
(e.g.radiation,humidity,steam,etc.).Ifanythingisunclear,
consulttherelevantsalesoce.
▶Thedevicemaybeusedonlyinconjunctionwiththird-party
devicesandcomponentsrecommendedandauthorizedby
Bürkert.
▶Correcttransportation,correctstorageandinstallationand
carefuluseandmaintenanceareessentialforreliableand
faultlessoperation.
▶Usethedeviceonlyasintended.
3 BASIC SAFETY INSTRUCTIONS
Thesesafetyinstructionsdonotmakeallowanceforany
•Contingenciesandeventswhichmayariseduringtheinstallation,
operationandmaintenanceofthedevices.
•Localsafetyregulations–theoperatorisresponsibleforobserving
theseregulations,alsowithreferencetotheinstallationpersonnel.
Risk of injury from high pressure and escaping medium.
▶Beforeworkingonthedeviceorsystem,switchothepres-
sure.Ventoremptythelines.
Danger of bursting from overpressure.
▶Observethespecicationsonthetypelabelformaximal
controlandmediumpressure.
▶Observepermittedmediumtemperature.
Risk of injury from electric shock (when electrical component
installed).
▶Beforereachingintothedeviceortheequipment,switcho
thepowersupplyandsecuretopreventreactivation!
▶Observeapplicableaccidentpreventionandsafetyregula-
tionsforelectricalequipment!
Risk of injury from moving parts in the device!
▶Donotreachintoopenings.
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Type 2030, 2031, 2031 K, 2032,
2033, 2037

6
Basic safety instructions
Danger due to loud noises.
▶Dependingontheoperatingconditions,thedevicemaygenerate
loudnoises.Moredetailedinformationonthelikelihoodofloud
noisesisavailablefromtherelevantsalesoce.
▶Wearhearingprotectionwheninthevicinityofthedevice.
Risk of burns or re from hot device surface due
to prolonged switch-on time.
▶Onlytouchthedevicewhilewearingprotectivegloves.
▶Keepthedeviceawayfromhighlyammablesubstancesand
media.
Leaking medium when the diaphragm is worn.
▶Regularlycheckreliefboreforleakingmedium.
▶Ifmediumisleakingoutofthereliefbore,changethediaphragm.
▶If the media is hazardous, protect the area surrounding the
dischargepointagainstdangers.
General hazardous situations.
To prevent injury, ensure:
▶Thatthesystemcannotbeactivatedunintentionally.
▶Onlytrainedtechniciansmayperforminstallationandmain-
tenancework.
▶Performinstallationworkandmaintenanceworkusingsuita-
bletoolsonly.
▶Donottransport,installorremoveheavydeviceswithouttheaid
ofasecondpersonandusingsuitableauxiliaryequipment.
▶Afteraninterruption,ensurethattheprocessisrestartedina
controlledmanner.Observesequence!
1.Applysupplyvoltageorpneumaticsupply.
2.Chargethedevicewithmedium.
▶Thedevicemaybeoperatedonlywheninperfectcondition
andinconsiderationoftheoperatinginstructions.
▶Observethesafetyregulationsspecictotheplantforapplica-
tionplanningandoperationofthedevice.
▶Theplant operatorisresponsibleforthe safeoperationand
handlingoftheplant.
▶Observethegeneralrulesoftechnology.
To prevent damage to property of the device, ensure:
▶Supplythemediaconnectionsonlywiththosemediawhichare
speciedasowmediainthechapterentitled“6Technicaldata”.
▶Donotmakeanychangesonthedeviceanddonotsubjectit
tomechanicalstress.
▶The exhaust air may be contaminated with lubricants in the
actuator.
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037

7
General information
4 GENERAL INFORMATION
4.1 Contact addresses
Germany
BürkertFluidControlSystems
SalesCenter
Chr.-Bürkert-Str.13-17
D-74653Ingelngen
Tel.+49(0)7940-1091111
Fax+49(0)7940-1091448
E-mail:[email protected]
International
Contactaddressescanbefoundonthenalpagesoftheprinted
operatinginstructions.
AndalsoontheInternetat:www.burkert.com
4.2 Warranty
Thewarrantyisonlyvalidifthedeviceisusedasintendedinaccor-
dancewiththespeciedapplicationconditions.
4.3 Information on the Internet
TheoperatinginstructionsanddatasheetsforTypes2030,2031,
2031 K, 2032, 2033 and 2037 can be found on the Internet at:
www.burkert.com
5 SYSTEM DESCRIPTION
5.1 General description
TheTypes2030,2031,2031K,2032,2033and2037areanexter-
nallycontrolleddiaphragmvalvewithpistondriveanddiaphragm
seal.
Thevalveisself-drainingintheappropriateinstallationposition.
5.2 Intended application area
ThediaphragmvalveofType2030isdesignedforthecontrolof
contaminatedandaggressivemedia.
ThevalvesofType2031,2031K,2032,2033and2037canbeused
evenforultra-pureorsterilemediawithahigherviscosity.
Thevalvesmayonlycontrolmediawhichdonotattackthebody
andsealmaterials(seetypelabel).Informationontheresistanceof
materialstothemediaisavailablefromyourBürkertsalesoce.
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037

8
Technical data
6 TECHNICAL DATA
6.1 Conformity
Type2030,2031,2031K,2032,2033and2037conformswith
theEUDirectivesaccordingtotheEUDeclarationofConformity.
6.2 Standards
Theappliedstandards,whichverifyconformitywiththeEUDirec-
tives,canbefoundontheEU-TypeExaminationCerticateand/
ortheEUDeclarationofConformity.
6.3 Type label
Type
Controlfunction
Orice(Diaphragmsize)
Bodymaterial
Identitynumber
ofthedevice
2031 A 25,0 EPDM VS
Made in Germany
00445286
W36LP
Pilot 5,5-7bar
TG44 Pmed 10bar
S/N 1060
Sealmaterial
Portconnection,
max.mediumpressure
Serialnumber Pilotpressure
Fig. 1: Position and description of the type label (example)
6.4 Labeling of the forged steel valve
body
Companylogo
XXXXXXXXXX
XX F
1.4435/316L(VS)
PN16/CWP150
XXXXXXXX/XXX
XXXXXX
XXXX
Self-drainangle
Customer-
specictext
(optional)
Connectionoriceand
pipedimensions
Batchnumber
Material
Production
number/Serial
number
Nominal
pressure
Fig. 2: Labeling of the forged steel valve body
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037

9
Technical data
6.5 Labeling of the tube valve body
(VP)
1.4435
316L(VP)
XXXXXXXX
XXXXXXXXXX
PN16 / CWP150
XXXXXXXX / XXX
XXXX / XXXXXX
Material HeatCompanylogo
Nominalpressure
Connectionorice
andpipedimensions
Self-drainangle/
Customer-specictext
(optional)
Productionnumber/
Serialnumber
Fig. 3: Labeling of the tube valve body (VP)
6.6 Operating conditions
WARNING!
Risk of injury due to bursting in case of overpressure.
▶Donotexceedthemaximumpressurerangeorthepermitted
temperatures.Observespecicationsonthetypelabel.
6.6.1 Allowable temperatures
Ambient temperature for actuators:
Material Actuator size ø Temperature
PA 40-125mm -10...+60°C
PPS
40-80mm +5...+140°C
100mm,
125mm
+5...+90°C
(brieyupto+140°C)
Tab. 1: Ambient temperature for actuators
PPSactuatormustbeselectedforapplicationswithhigh
temperatures(e.g.steamsterilization).
Medium temperature for body:
Body material Temperature
Stainlesssteel -10...+150°C
PVC(seePTgraph) -10...+60°C
PVDF(seePTgraph) -10...+120°C
PP(seePTgraph) -10...+80°C
Tab. 2: Medium temperature for body
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Type 2030, 2031, 2031 K, 2032,
2033, 2037

10
Technical data
Medium temperature for diaphragms:
Theindicatedmediumtemperaturesapplyonlytomedia
whichdonotcorrodeorswellthediaphragmmaterials.
Thebehaviorofthemediumwithrespecttothediaphragm
maybechangedbythemediumtemperature.
Thefunctionproperties,inparticulartheservicelifeofthe
diaphragm, may deteriorate if the medium temperature
increases.
Donotusethediaphragmsassteamshut-oelement.
Material Temperature Remarks
EPDM(AB) -10...+130°C Steamsterilisation
upto+140°C/60min
EPDM(AD) -10...+143°C Steamsterilisation
upto+150°C/60min
FKM(FF) 0...+130°C Nosteam/dryheat
upto+150°C/60min
PTFE(EA) -10...+130°C Steamsterilisation
upto+140°C/60min
Advanced
PTFE(EU)
-5...+143°C Steamsterilisation
upto+150°C/60min
Gylon(ER) -5...+130°C Steamsterilisation
upto+140°C/60min
Tab. 3: Medium temperature for diaphragms
6.6.2 Permitted medium pressure
Permittedmediumpressuredependingonthemediumtemper-
aturewithplasticvalvebody:
DN 15 - 65
10
8
6
4
2
20 40 60 80 100 120 140
PVC
PVDF
PP
Mediumpressure[bar]
Temperature[°C]
Fig. 4: Graph of medium pressure / Medium temperature with plastic
valve body
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037

11
Technical data
Maximum permitted medium pressure for control function A
Thevaluesapplytovalvebodiesmadeof:
•plastic,
•stainlesssteel:blockmaterial,forged,castedandtubevalvebody.
Orice DN
(Diaph-
ragm size)
Actuator
size ø
[mm]
Max. sealed medium pressure [bar] *)
Pressure on one
side
Pressure on both
sides
EPDM/FKM PTFE EPDM/FKM PTFE
840 10 10 10 9
15 50 8.5 5 7 3.5
63 10 10 10 9
20 63 10 5 8 5
80 10 10 10 10
25 63 3 –2–
80 10 7.5 8.5 5.5
32 100 10 8 9 6
40 100 6.5 6 5 5
125 10 10 10 9
50 100 4.5 2.5 3.5 2
125 8 7 7 6
65 125 7 4 4.5 2
Tab. 4: Maximum permitted medium pressure CFA
*)
Approximatedata,exactvaluescanbefoundonthe
typelabel.
6.6.3 Pilot pressure
WARNING!
Danger of bursting from overpressure.
▶Donotexceedthemaximumcontrolandmediumpressure.
Observespecicationsonthetypelabel.
NOTE!
Malfunction due to incorrect pilot pressure.
Thespecicationsonthetypelabelapplytovalveswithreduced
spring force (i.e. with lower pilot pressure). If you are unsure,
pleasecontactyourBürkertsalesoce.
Permitted pilot pressure
Actuator size
ø [mm]
Actuator
material
Min. pilot
pressure
[bar]
Max. pilot
pressure
[bar]
40–100 PA 210
125 PA 2 7
40–125 PPS 2 7
Tab. 5: Permitted pilot pressure
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Type 2030, 2031, 2031 K, 2032,
2033, 2037

12
Technical data
Pilot pressure for control function A
Thevaluesapplytovalvebodiesmadeof:
•plastic,
•stainlesssteel:blockmaterial,forged,castedandtubevalve
body.
Orice DN
(Diaphragm size)
Actuator size
ø [mm]
Pilot pressure [bar]
for medium pressure *)
0 bar maximum
840 5 4
15 50 53.5
63 5 4
20 63 5.5 4
80 5 4
25 63 54.5
80 5.5 4.5
32 100 5.5 4
40 100 5.5 4
125 5.5 4
50 100 5.5 3.5
125 5.5 3
65 125 5.5 4.5
Tab. 6: Pilot pressure CFA
*)
Approximatedata,exactvaluescanbefoundonthe
typelabel.
6.6.4 Minimum pilot pressure
Required minimum pilot pressure depending on medium
pressure
Thevaluesapplytovalvebodiesmadeof
•Plastic,
•Allmodelswithcastvalvebody(VG),forgedsteelvalvebody
(VS)andtubevalvebody(VP),
•Tubevalvebody(VA)withsocket,DINweldingneckangeand
weldedconnectioninaccordancewithENISO1127(ISO4200).
Control function B (CFB)
NOTE!
Important for the service life of the diaphragm!
•Donotselectpilotpressurehigherthanrequired.
DN20, Ø
80
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN15, Ø
63
DN8, Ø 40
DN15, Ø
50
DN25, Ø
80
DN25, Ø
63
DN20, Ø
63
Mediumpressure [bar]
Pilotpressure[bar]
CFB/EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 5: Control function B, EPDM diaphragm, actuators
ø 40 – 80mm
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Type 2030, 2031, 2031 K, 2032,
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13
Technical data
Orice
(Diaphragmsize)
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN40, Ø
125
DN32, Ø100
DN40, Ø
100
DN50, Ø100
DN50, Ø
125
DN65, Ø125
Mediumpressure [bar]
Pilotpressure[bar]
CFB/EPDM
Actuatorsize
Fig. 6: Control function B, EPDM diaphragm,
actuators ø 100 – 125 mm
DN20, Ø
80
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN15, Ø
63
DN8, Ø 40
DN15, Ø
50
DN25, Ø
80
DN25, Ø
63
DN20, Ø
63
Mediumpressure [bar]
Pilotpressure[bar]
CFB/PTFE-EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 7: Control function B, PTFE-EPDM diaphragm,
actuators ø 40 – 80 mm
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN40, Ø
125
DN32, Ø100
DN40, Ø100
DN50, Ø
100
DN50, Ø125
DN65, Ø125
Mediumpressure [bar]
Pilotpressure[bar]
CFB/PTFE-EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 8: Control function B, PTFE-EPDM diaphragm,
actuators ø 100 – 125 mm
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Type 2030, 2031, 2031 K, 2032,
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14
Technical data
Control function I (CFI)
NOTE!
Important for the service life of the diaphragm.
•Donotselectpilotpressurehigherthanrequired.
DN20, Ø
80
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN15, Ø
63
DN8, Ø 40
DN15, Ø
50
DN25, Ø
80
DN25, Ø
63
DN20, Ø
63
Mediumpressure [bar]
Pilotpressure[bar]
CFI/EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 9: Control function I, EPDM diaphragm,
actuators ø 40 – 80 mm
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN40, Ø
125
DN32, Ø
100
DN40, Ø
100
DN50, Ø
100
DN50, Ø
125
DN65, Ø
125
Mediumpressure [bar]
Pilotpressure[bar]
CFI/EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 10: Control function I, EPDM diaphragm,
actuators ø 100 – 125 mm
DN20, Ø
80
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN15, Ø
63
DN8, Ø 40
DN15, Ø
50
DN25, Ø
80
DN25, Ø 63
DN20, Ø
63
Mediumpressure [bar]
Pilotpressure[bar]
CFI/PTFE-EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 11: Control function I, PTFE-EPDM diaphragm,
actuators ø 40 – 80 mm
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Type 2030, 2031, 2031 K, 2032,
2033, 2037

15
Technical data
Mediumpressure [bar]
Pilotpressure[bar]
CFI/PTFE-EPDM
Actuatorsize
Orice
(Diaphragmsize)
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN40, Ø
125
DN32, Ø
100
DN40, Ø
100
DN50, Ø
100
DN50, Ø
125
DN65, Ø
125
Fig. 12: Control function I, PTFE-EPDM diaphragm,
actuators ø 100 – 125 mm
Required minimum pilot pressure depending on medium
pressure
Thevaluesarevalidfor
•tubevalvebody(VA)withweldedconnectioninaccordance
withDIN11850series2aswellaswithODweldedconnection,
withANSIandJISweldingneckange
Control function B (CFB)
NOTE!
Important for the service life of the diaphragm.
•Donotselectpilotpressurehigherthanrequired.
DN20, Ø
63
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN15, Ø
63
DN8, Ø 40
DN15, Ø
40
DN15, Ø
50
DN25, Ø
63
DN20, Ø
50
DN32, Ø
63
Mediumpressure [bar]
Pilotpressure[bar]
CFB/EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 13: Control function B, EPDM diaphragm,
actuators ø 40 – 63 mm
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Type 2030, 2031, 2031 K, 2032,
2033, 2037

16
Technical data
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN32, Ø80
DN40, Ø
100
DN50, Ø
100
DN50, Ø
125
DN25, Ø80
DN65, Ø
125
Mediumpressure [bar]
Pilotpressure[bar]
CFB/EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 14: Control function B, EPDM diaphragm,
actuators ø 80 – 125 mm
DN20, Ø
50
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN15, Ø
63
DN8, Ø 40 DN15, Ø
50
DN32, Ø
63
DN25, Ø
63
DN20, Ø
63
DN15, Ø
40
Mediumpressure [bar]
Pilotpressure[bar]
CFB/PTFE-EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 15: Control function B, PTFE-EPDM diaphragm,
actuators ø 40 – 63 mm
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN25, Ø80
DN32, Ø80
DN40, Ø
100
DN50, Ø
100
DN50, Ø
125
DN65, Ø
125
Mediumpressure [bar]
Pilotpressure[bar]
CFB/PTFE-EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 16: Control function B, PTFE-EPDM diaphragm,
actuators ø 80 – 125 mm
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Type 2030, 2031, 2031 K, 2032,
2033, 2037

17
Technical data
Control function I (CFI)
NOTE!
Important for the service life of the diaphragm.
•Donotselectpilotpressurehigherthanrequired.
DN20, Ø
63
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN15, Ø
63
DN8, Ø 40 DN15, Ø 40
DN32, Ø 63
DN25, Ø
63
DN20, Ø
50
DN15, Ø
50
Mediumpressure [bar]
Pilotpressure[bar]
CFI/EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 17: Control function I, EPDM diaphragm,
actuators ø 40 – 63 mm
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN25, Ø80
DN32, Ø80
DN40, Ø100 DN50, Ø100
DN50, Ø125
DN65, Ø
125
Mediumpressure [bar]
Pilotpressure[bar]
CFI/EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 18: Control function I, EPDM diaphragm,
actuators ø 80 – 125 mm
DN20, Ø 50
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN15, Ø 63
DN8, Ø 40
DN15, Ø 50 DN32, Ø 63
DN25, Ø 63
DN20, Ø 63
DN15, Ø
40
Mediumpressure [bar]
Pilotpressure[bar]
CFI/PTFE-EPDM
Actuatorsize
Orice
(Diaphragmsize)
Fig. 19: Control function I, PTFE-EPDM diaphragm,
actuators ø40 – 63 mm
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037

18
Technical data
Mediumpressure[bar]
Pilotpressure[bar]
CFI/PTFE-EPDM
Actuatorsize
Orice
(Diaphragmsize)
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN25, Ø80
DN32, Ø80
DN40, Ø
100
DN50, Ø
100
DN50, Ø
125
DN65, Ø
125
Fig. 20: Control function I, PTFE-EPDM diaphragm,
actuators ø 80 – 125 mm
6.7 General technical data
Materials
Body
 Type2030    PP,PVC,PVDF
 Type2031    Stainlesssteelprecisioncasting(VG),
Forgedsteel(VS)
Stainlesssteeltubevalvebody(VA,VP)
 Type2032,2033,2037Stainlesssteel-blockmaterial
Actuator     PA,PPS
Sealingelements
actuators    FKM,NBR
Diaphragm    EPDM,PTFE,FKM
Connections
Controlairconnection G1/8foractuatorsizesø40and50
G1/4foractuatorsizesø 63,80,100,
125
Mediumconnection  Weldedconnection:inaccordancewith
DINEN1127(ISO4200),DIN11850R2,
DIN11866(ASME-BPE)
otherconnectionsonrequest
Media
Controlmedium   neutralgases,air
Flowmedia    Type2030;contaminatedand
aggressivemedia
Types2031,2031K,2032,2033and
2037;contaminated,aggressive,ultra-
pure,sterilemediaandmediawith
higherviscosity.
Installation position  anyposition,preferablywiththe
actuatorfaceup
TankbottomvalveType2033:Actuator
tothebottom
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Type 2030, 2031, 2031 K, 2032,
2033, 2037

19
Technical data
6.8 Flow values
6.8.1 Flow values for forged steel valve
bodies
Diaph-
ragm
size
Orice
connec-
tion (DN)
Actua-
tor
size
Seal
mate-
rial
Kvs values [m3/h] as per
standard
DIN ISO ASME BS SMS
8 6 C/40 EPDM 1.1
PTFE 1.1
8 / 1/4" C/40 EPDM 1.7 1.5 0.7 0.5
PTFE 1.9 2.0 0.7 0.5
10 / 3/8" C/40 EPDM 1.5 1.5 1.6 1.4
PTFE 1.9 2.0 1.8 1.6
15 / 1/2" C/40 EPDM 1.5
PTFE 1.9
15 10 / 3/8" E/63 EPDM 3.5 5.5
PTFE 3.4 5.2
15 / 1/2" E/63 EPDM 6.5 6.5 3.1 3.7
PTFE 6.0 6.0 3.1 3.6
20 / 3/4" E/63 EPDM 6.5
PTFE 6.0
20 20 / 3/4" F/80 EPDM 12.4 12.5 8.4 8.9
PTFE 12.0 12.0 8.5 8.8
25 25 / 1" F/80 EPDM 20.0 18.0 15.5 16.0
Diaph-
ragm
size
Orice
connec-
tion (DN)
Actua-
tor
size
Seal
mate-
rial
Kvs values [m3/h] as per
standard
DIN ISO ASME BS SMS
PTFE 17.0 16.0 14.5 14.8
40 32 H/125 EPDM 34.0
PTFE 34.0
40/11/2" H/125 EPDM 40.0 41.0 37.0 38.0
PTFE 40.0 40.0 37.5 38.0
50 50/2" H/125 EPDM 66.0 66.0 66.0 66.0
PTFE 66.0 67.0 66.0 66.0
21/2" H/125 EPDM 66.0
PTFE 66.0
Tab. 7: Kvs values for forged steel valve bodies
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Type 2030, 2031, 2031 K, 2032,
2033, 2037

20
Technical data
6.8.2 Flow values for cast valve bodies and
plastic valve bodies
Diaphragm
size
Orice
connection
(DN)
Seal
material
Kvs values [m3/h]
Cast valve
body VG (all
standards)
Plastic valve
body (all
materials)*
8 8 EPDM 0.95 -
PTFE 1.5 -
15 15 EPDM 5.6 3
PTFE 5.3 3
20 20 EPDM 10.7 7
PTFE 10.5 6.7
25 25 EPDM 14.6 11.4
PTFE 13.6 10
32 32 EPDM - 17.5
PTFE - 17.1
40 40 EPDM 35.0 24.5
PTFE 35.0 24.0
50 50 EPDM 47.0 41.5
PTFE 48.0 41.5
Tab. 8: Kvs values for cast valve bodies and plastic valve bodies
* Plastic valve bodies: measured with bodies ASV
6.8.3 Flow values for tube valve body
Diaphragm
size
Orice
connection
(DN)
Actuator
size
Seal
material
Kvs values [m3/h]
as per standard
DIN ISO ASME
88/1/4" C/40 EPDM 1.9
PTFE 2.4
10/3/8" C/40 EPDM 1.9
PTFE 2.4
15/1/2" C/40 EPDM
PTFE 2.2
15 15/1/2" E/63 EPDM 7.2 7
PTFE 6.7 6.6
20/3/4" E/63 EPDM 6.9
PTFE 5.5 6.5
20 20/3/4" F/80 EPDM 13.5
PTFE 12.1
25/1" F/80 EPDM 14.9
PTFE 13.7 12.7
25 25/1" E/63 EPDM 17.3
PTFE 14.1
32 E/63 EPDM 18.6
PTFE 14.2
25/1" F/80 EPDM 19.1
PTFE 15.6
32 F/80 EPDM 20.0
PTFE 15.8
32 32 G/100 EPDM 36.0
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Type 2030, 2031, 2031 K, 2032,
2033, 2037