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
3
Basic safeTy insTrucTiOns
These safety instructions do not make allowance for any contin-
gencies 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.
▶ Do not put any loads on the body.
▶ 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
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english
english
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 restrictions
If exporting the system/device, observe any existing restrictions.
2.2 definition of term
In these operating instructions, the term "device" always refers to the
Type 0340, 0343 and 0344.
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.
english
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
1)
• Body material: Brass (MS)
• Seal material: NBR
Operating principle 3/2-way valve Type 0340 and 0344:
Standard Version
A
C
(NC)
P R
Impulse Version
A
C
3
(NC)
2
1
P
R
→
Type 0344: Connect vacuum pump to connection R.
Type 0340, 0343, 0344
B
D
(NO)
P R
B
D
3
(NO)
2
1
P R
3