Burkert 6712 Operating Instructions Manual
Type 6712
A
P
Whisper Valve
Operating Instructions
Bedienungsanleitung
Manuel d‘utilisation
en / de / fr
CIRCUIT FUNCTION /
WIRKUNGSWEISE / FONCTION
A
2/2-way valve, normally closed.
2/2-Wege-Ventil, stromlos geschlossen.
Vanne à 2/2 voies, normalement fermée.
2/2 way solenoid valve with medium
isolation
2/2-Wege-Magnetventil mit
Medientrennung
Electrovanne 2/2 voies avec séparation
des fluides
Address / Adresse
Germany / Deutschland / Allemagne
Bürkert Fluid Control Systems
Sales Center
Christian-Bürkert-Str. 13–17
D-74653 Ingelfingen
Tel. + 49 (0) 7940 - 10 91 111
Fax + 49 (0) 7940 - 10 91 448
E-mail: info@burkert.com
International
www.burkert.com
Manuals and data sheets on the Internet: www.burkert.com
Bedienungsanleitungen und Datenblätter im Internet: www.buerkert.de
Instructions de service et fiches techniques sur Internet : www.burkert.fr
© Bürker t Werke GmbH & Co. KG, 2014 - 2019
Operating Instructions 1902/03_EU-ml_00810426 / Original DE
SYMBOLS
▶ designates instructions for risk prevention.
→ designates a procedure which you must carry out.
Warning of serious or fatal injuries:
DANGER
In case of imminent danger.
WARNING
In case of potential danger.
Warning of minor or moderately severe injuries:
CAUTION
DARSTELLUNGSMITTEL
▶ markiert eine Anweisung zur Gefahrenvermeidung.
→ markiert einen Arbeitsschritt, den Sie ausführen müssen.
Warnung vor schweren oder tödlichen Verletzungen:
GEFAHR
Bei unmittelbarer Gefahr.
WARNUNG
Bei möglicher Gefahr.
Warnung vor leichten oder mittelschweren Verletzungen:
VORSICHT
SYMBOLES
▶ identifie une consigne pour éviter un danger.
→ identifie une opération que vous devez effectuer.
Mise en garde contre les blessures graves ou mortelles :
DANGER
En cas de danger imminent.
AVERTISSEMENT
En cas de danger possible.
Mise en garde contre les blessures légères ou moyennement
graves :
ATTENTION
Classification of fluid connections
Zuordnung der fluidischen Anschlüsse
Affectation des raccordements fluidiques
NC
2
1 (normally closed)
Normally closed, pressure connection.
1 NC P
2 OUT A
Stromlos geschlossen, Druckanschluss.
Normalement fermée, raccord de pression.
Joint connection, working connection.
Gemeinsamer Anschluss, Arbeitsanschluss.
Raccord commun, raccord de travail.
TYPE LABEL / TYPSCHILD
PLAQUE SIGNALÉTIQUE
Observe the voltage specified on the type label.
Die auf dem Typschild angegebenen Daten für Spannung
beachten.
Observer les données indiquées sur la la plaque signalétique
pour la tension.
Description of the type label
Beschreibung des Typschilds
Description de la plaque signalétique
Orifice / Nennweite
Diamètre nominal
Type / Typ
6712 0,8 CC PK
NC
24V 00267651
W2XMG 00001
Voltage / Spannung / Tension
Identification pressure connection
Kennzeichnung Druckanschluss
Identification raccord de pression
Body material / Gehäusewerkstoff / Matériau du corps
PK = PEEK, PS = PPS
Seal material / Dichtwerkstoff / Matériau d‘étanchéit
AA = EPDM, FF = FKM, CC= FFKM
Orifice / Nennweite / Diamètre nominal
0,8 = 0,8 mm / 3 bar
0,4 = 0,4 mm / 5 bar
Seal material / Dichtwerkstoff
Matériau d‘étanchéit
Body material
Gehäusewerkstoff
Matériau du corps
Order number
Bestellnummer
No. de commande
Serial number (optional)
Seriennummer (optional)
No. de serie (optionnel)
english
Type 6712
1 OPERATING INSTRUCTIONS
The operating instructions contain important information.
▶ Read the instructions carefully and follow the safety instructions in
particular.
▶ Keep the instructions in a location where they are available to every
user.
▶ The liability and warranty for Type 6712 are void if the operating
instructions are not followed.
2 INTENDED USE
The solenoid valve Type 6712 is designed for analytical, medical and
laboratory applications. It is predominantly used to dose and fill liquids
and gases.
▶ Do not use Type 6712 outside without taking suitable protective
measures.
▶ Do not use rectified AC voltage as the power supply without smoothing.
▶ Operate only when in perfect condition and pay attention to correct
storage, transportation, installation and operation.
3 BASIC SAFETY INSTRUCTIONS
WARNING
Danger – high pressure.
▶ Before loosening lines or valves, turn off the pressure and vent the
lines.
Risk of burns/risk of fire if used continuously through hot device
surface.
▶ Keep Type 6712 away from highly flammable substances and
media and do not touch with bare hands.
▶ Do not obstruct the heat release required for operation.
Leaking medium when the diaphragm is worn.
▶ Regularly check for leaking medium.
▶ If the media is hazardous, protect the environment from danger
To prevent injury, ensure the following:
▶ Secure equipment/device from unintentional actuation.
▶ Do not use in potentially explosive area.
▶ Do not make any internal or external changes.
▶ Only trained technicians may perform installation and maintenance
work.
▶ After an interruption in the power supply, ensure that the process is
restarted in a controlled manner.
▶ Observe the general regulations of technology.
5 INSTALLATION / DISASSEMBLY
5.1 Fluid Installation
WARNING
Risk of injury from high pressure in the equipment.
▶ Before loosening lines or valves, turn off the pressure and vent the
lines.
Installation position: any position, preferably with actuator above.
→ Clean pipelines and flange connections.
→ Install dirt filter in the direction of flow in front of the valve (mesh
size 5 μm).
WARNING!
Risk of medium escaping if seal is seated incorrectly.
▶ Make sure that the supplied seal fits properly.
▶ Use only connection plate of adequate quality and with a flat
surface.
→ Drill holes according to drilling
pattern (dimensions see data
sheet).
→ Correctly assign fluid
connection configuration 1
and 2 on valve and
connection plate.
→ Attach valve with screws.
Recommended tightening
torque when using metric
screws 0.11...0.15 Nm
(different value for PT screws).
→ Check installation for leaks.
Manifold
Fig. 1: Assembly
5.2 Electrical Installation
Electrical power supply: DC, Tolerance ± 10 %
(including residual ripple)
Maximum residual voltage: 1 % of the nominal voltage
Power consumption: 0,9 W
Continuous switching behavior – the opening of the valves follows
the power supply voltage. A power reduction is not possible. If the
polarity is not correct, the valve will not function (see data sheet).
4 TECHNICAL DATA
4.1 Operating Conditions
Permitted temperatures for diaphragm material FKM:
environment: +15 ... +55 °C
medium: +15 ... +55 °C
Extended
temperature ranges: depending on the materials (see data sheet).
Media: aggressive, neutral, gaseous and liquid media
which do not attack housing and seal materials
(see Chemical Resistance Chart at
www.burkert.com). Check that resistance is
adequate in individual cases.
Degree of protection: IP40
Protection class: III acc. to IEC 61140 or
NEC Class II Power Supply
4.2 Conformity
Type 6712 conforms with the EC Directives according to the EC
Declaration of Conformity.
4.3 Standards
The applied standards, which verify conformity with the EC Directives,
can be found on the EC-Type Examination Certificate and / or the EC
Declaration of Conformity.
4.4 Electrical Data see type label.
5.3 Disassembly
WARNING
Risk of injury from hazardous media.
▶ Before loosening lines or valves, flush out hazardous media,
depressurize and drain the lines.
6 MAINTENANCE
→ Regularly check for leaking medium.
7 MALFUNCTIONS
If malfunctions occur, check
• that the fluid connections have been correctly assigned according
to the operating principles,
• whether the operating pressure is within the permitted range,
• the power supply and valve control
• the electric connections have the correct polarity.
8 TRANSPORTATION, STORAGE, DISPOSAL
• Transport and store Type 6712 in shock-resistant packaging to
protect against moisture and dirt.
• Permitted storage temperature: -10 ... +65 °C.
• Permitted transportation temperature: –40 ... +70 °C.
• Dispose of the device and packaging according to the applicable
disposal and environmental protection regulations.
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