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Type 0340, 0343, 0344
3/2-way solenoid valve
3/2-Wege-Magnetventil
Électrovanne 3/2 voies
Operating Instructions
Bedienungsanleitung
Manuel d‘utilisation
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1 OPERATING INSTRUCTIONS
The operating instructions contain important information.
▶ Read the operating instructions carefully and follow the safety instruc-
tions in particular, and also observe the operating conditions.
▶ Operating instructions must be available to each user.
▶ The liability and warranty for the product / device are void if the operat-
ing instructions are not followed.
1.1 Symbols
▶ Designates an instruction to prevent risks.
→ designates a procedure which you must carry out.
Warning of injuries:
DANGER!
Imminent danger! Serious or fatal injuries.
WARNING!
Potential danger! Serious or fatal injuries.
CAUTION!
Danger! Minor or moderately severe injuries.
Warns of damage to property:
NOTE!
2 INTENDED USE
Incorrect use of the solenoid valve Type 0340, 0343 and 0344 can
be dangerous to people, nearby equipment and the environment.
▶ The device is designed to control, shut off and meter neutral media.
▶ Provided the cable plug is connected and installed correctly, e.g. Bürk-
ert Type 2508, the device satisfies protection class IP65 in accordance
with DIN EN 60529 / IEC 60529.
▶ Use according to the permitted data, operating conditions and con-
ditions of use specified in the contract documents and operating
instructions.
▶ Correct transportation, correct storage and installation and careful use
and maintenance are essential for reliable and problem-free operation.
▶ Use the device only as intended.
2.1 Definition of term
In these operating instructions, the term “device” always refers to the
Type 0340, 0343 and 0344.
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3 BASIC SAFETY INSTRUCTIONS
These safety instructions do not make allowance for any contingencies and events which may arise during installation, operation and
maintenance.
Danger – high pressure!
▶ Before loosening the lines and valves, turn off the pressure and
vent the lines.
Risk of electric shock!
▶ Before reaching into the system, switch off the power supply and
secure to prevent reactivation!
▶ Observe applicable accident prevention and safety regulations for
electrical equipment!
Risk of burns/Risk of fire if used continuously through hot device
surface!
▶ Keep the device away from highly flammable substances and media
and do not touch with bare hands.
Risk of injury due to malfunction of valves with alternating
current (AC)!
Sticking core causes coil to overheat, resulting in a malfunction.
▶ Monitor process to ensure function is in perfect working order.
Risk of short-circuit/escape of media through leaking screw joints!
▶ Ensure seals are seated correctly.
▶ Carefully screw together coil and cable plug or valve and connection
plate.
To prevent injury, ensure that:
▶ Do not make any internal or external changes to the device bodies.
Ensure that the system cannot be activated unintentionally.
▶ Installation and repair work may be carried out by authorized techni-
cians only and with the appropriate tools.
▶ After an interruption in the power supply or pneumatic supply, ensure
that the process is restarted in a defined or controlled manner.
▶ For models with ATEX or UL approval follow the safety instructions
on the respective supplementary sheet.
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▶ Do not put any loads on the body.
A
PR
B
PR
A
P
R
1
2
B
P
R
1
2
▶ The general rules of technology apply to application planning and
operation of the device.
3.1 Warranty
The warranty is only valid if the device is used as intended in accordance
with the specified application conditions.
3.2 Information on the internet
The operating instructions and data sheets for type 0340, 0343 and 0344
can be found on the internet at:
www.buerkert.com
Type 0340, 0343, 0344
4 TECHNICAL DATA
4.1 Operating conditions
The following values are indicated on the type label:
• Voltage (Tolerance ± 10 %) / Current type
• Coil power consumption (active power in W - at operating temp.)
• Pressure range
• Body material: Brass (MS)
• Seal material: NBR
Operating principle 3/2-way valve Type 0340 and 0344:
Standard Version
1)
C
(NC)
D
(NO)
Impulse Version
3
C
(NC)
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→ Type 0344: Connect vacuum pump to connection R.
D
(NO)
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Operating principle 3/2-way valve Type 0343:
A
PR
B
PR
Standard Version
C
(NC)
D
(NO)
1)
The externally controlled valve, Type 0343, requires auxiliary control air which
is at least 2 bar above operating pressure
Continuity A → R normally open,
connect vacuum generator to R,
external air to P, auxiliary control air to Z
Continuity P → B normally open,
connect vacuum generator to R,
external air to P, auxiliary control air to Z
Protection class: IP65 in accordance with DIN EN 60529 /
IEC 60529 with cable plug, e. g. Bürkert
Type 2508
4.2 Application conditions
Ambient temperature: 0 °C ... +55 °C
Medium temperature: 0 °C ... +90 °C
The following values must also be observed for valves with
UL/UR approval:
Valve
type
0340 EPDM 12.0 -4...+194 °F
0344
(Vacuumversion)
Seal
material
Orifice
Valve
seat
[mm]
NBR 8.0
12.0
20.0
25.0
NBR 8.0
12.0
20.0
Fluid
temperature
°F / °C
-20...+90 °C
+41...+194 °F
+5...+90 °C
+32...+194 °F
0...+90 °C
+41...+194 °F
+5...+90 °C
+32...+194 °F
0...+90 °C
Ambient
temperature
°F / °C
-4...+131 °F
-20...+55 °C
+41...+131 °F
+5...+55 °C
+32...+131 °F
0...+55 °C
+41...+131 °F
+5...+55 °C
+32...+131 °F
0...+55 °C
Fluid
(nonhazardous
Fluids)
dry air,
inert gas
water
dry air,
inert gas
water
dry air,
inert gas
Viscosity (Type 0340): 21 mm2/s
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Media
Type 0340: neutral media, compressed air, water,
hydraulic oil
Type 0343 / 0344: neutral gas, compressed air, vacuum
Operating duration: Unless otherwise indicated on the type label,
the solenoid system is suitable for continuous
operation
Important information for functional reliability during continuous
operation! If standstill for a long period at least 1-2 operation
per day are recommended.
Service life: High switching frequency and high pressures
reduce the service life
4.3 Conformity
In accordance with the EC Declaration of conformity, the solenoid valve
Type 0340, 0343 and 0344 is compliant with the EC Directives.
4.4 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.
4.5 Type label
Orifice
Operating
principle
Typ e
Id.- Number
Manufacture-Code
Voltage, Frequency, Power
Connection thread, Operating
0340 C 12,0 NBR MS
G1/2 P
N 0,5 - 1 6 bar
230V 50 Hz 8W
Made in Germany
00041346
consumption
pressure
W17MG
Seal material
Body material
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5 INSTALLATION
5.1 Safety instructions
DANGER!
Risk of injury from high pressure in the equipment!
▶ Before loosening the lines and valves, turn off the pressure and
vent the lines.
Risk of injury due to electrical shock!
▶ Before reaching into the system, switch off the power supply and
secure to prevent reactivation!
▶ Observe applicable accident prevention and safety regulations for
electrical equipment!
WARNING!
Risk of injury from improper installation!
▶ Installation may be carried out by authorized technicians only and
with the appropriate tools!
Risk of injury from unintentional activation of the system and an
uncontrolled restart!
▶ Secure system from unintentional activation.
▶ Following installation, ensure a controlled restart.
5.2 Before installation
Installation position: any, actuator preferably upwards.
Procedure:
→ Check pipelines for dirt and clean.
→ Install a dirt filter before the valve inlet (≤ 500 µm).
5.3 Installation
NOTE!
Caution risk of breakage!
• Do not use the coil as a lifting arm.
→ Hold the device with a open-end wrench on the body and screw
into the pipeline.
Valve body must not be installed under tension.
→ Observe pin assignment according to switching function and
identification.
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5.4 Manual emergency actuation
CAUTION!
Discharge of medium due to loss of the O-rings!
▶ If the O-rings are lost, the valve will leak. Medium may be discharged.
NOTE!
Caution!
• When the manual emergency actuation is locked, the valve can no
longer be actuated electrically.
Manual emergency
actuation
Press
Turn
1
2
DANGER!
Discharge of medium due to leaking device!
If the O-rings are forgotten or incorrectly inserted during installation
of the pilot valve, the device will be damaged and medium will be
discharged.
▶ Before screwing in the pilot valve, correctly insert O-rings into the
depressions.
5.5 Electrical connection of the cable plug
WARNING!
Risk of injury due to electrical shock!
▶ Before reaching into the system, switch off the power supply and
secure to prevent reactivation!
▶ Observe applicable accident prevention and safety regulations for
electrical equipment!
If the protective conductor contact between the coil and body is
missing, there is danger of electrical shock!
▶ Always connect protective conductor.
▶ Check electrical continuity between coil and body.
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Procedure:
→ Tighten cable plug (for permitted types see data sheet), observing
max. torque 1 Nm.
→ Check that seal is fitted correctly.
→ Connect protective conductor and check electrical continuity between
coil and body.
max. 1 Nm
Authorized cable plug e.g.
Type 2508 or other suitable
cable plug in accordance with
DIN EN 175301-803 Form A
Seal
5.5.1 Electrical connection - Pulse
24 3
DC connections:
Terminal 1 = closed +
Terminal 2 = open +
Terminal 3 = GND Terminal 4 = Protective conductor
Protective conductor
connection
1
The connection terminals in the cable plug are identified with
the numbers 1 to 3 according to the terminals on the valve.
Procedure:
→ Connect the pulse valves (variable code CF 02).
→ For direct current versions connect negative terminal to terminal 3.
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NOTE!
Important information:
• Avoid emitting pulses simultaneously to both coil windings.
• Do not switch any other consumers (relays, etc.) at the same time
as the terminals.
• The coil connection, to which voltage is not applied, must be galvanically isolated (open).
• If two or more valves are switched in parallel, ensure that this
requirement is met by using 2-pole or multi-pole switches.
6 MAINTENANCE, TROUBLESHOOTING
6.1 Safety instructions
WARNING!
Risk of injury from improper maintenance!
▶ Maintenance may be carried out by authorized technicians only and
with the appropriate tools!
Risk of injury from unintentional activation of the system and an
uncontrolled restart!
▶ Secure system from unintentional activation.
▶ Following maintenance, ensure a controlled restart.
6.2 Malfunctions
Type 0340: Shipment may have caused the position to occupy a
middle position.
Procedure:
→ Apply pressure to connection P and briefly seal connection A/B,
→ Using your finger, press piston through connection R into the end
position.
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If malfunctions occur, check:
→ the device has been installed according to the instructions,
→ the electrical and fluid connections are correct,
→ the device is not damaged and all screws have been tightened,
→ the voltage and pressure have been switched on,
→ the pipelines are clean,
→ corresponding orifice is used in vacuum mode of the pump
capacity (Type 0343 / 0344).
→ Type 0343: operating and control pressure (control pressure must
be at least 2 bar above operating pressure).
Valve does not switch
Possible cause:
• Short-circuit or coil interrupted.
• Medium pressure outside the permitted pressure range.
• Manual emergency actuation locked.
Valve does not close
Possible cause:
• Internal space of the valve is dirty.
• Manual emergency actuation locked.
7 SPARE PARTS
CAUTION!
Risk of injury and/or damage by the use of incorrect parts!
Incorrect accessories and unsuitable spare parts may cause injuries
and damage the device and the surrounding area.
▶ Use only original accessories and original spare parts from Bürkert.
7.1 Ordering spare parts
Order the spare-part sets specifying the positions (Pos. 1: Pilot control
set, Pos. 2: Wearing part set) and the identification number of the
device.
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7.2 Overview of spare parts
Type 0340 Type 0343 Type 0344
1
2
1
2
8 TRANSPORT, STORAGE, DISPOSAL
NOTE!
Transport damages!
Inadequately protected equipment may be damaged during
transport.
1
2
• During transportation protect the device against wet and dirt in
shock-resistant packaging.
• Avoid exceeding or dropping below the allowable storage
temperature.
Incorrect storage may damage the device.
• Store the device in a dry and dust-free location!
• Storage temperature: -40 °C ... +80 °C.
Damage to the environment caused by device components
contaminated with media.
• Observe applicable regulations on disposal and the environment.
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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@de.buerkert.com
International address
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.buerkert.fr
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