Bürkert 0255 Manuale utente
Bedienungsanleitung
Manuel d‘utilisation
Operating Instructions
Type 0255 / 0355
2/2- and 3/2-way solenoid valve
2/2- und 3/2-Wege-Magnetventil
Électrovanne 2/2 et 3/2 voies
2
1 OPERATING INSTRUCTIONS
The operating instructions contain important information.
▶Read the operating instructions carefully and follow the safety
instructions in particular, and also observe the operating conditions.
▶Operating instructions must be available to each user.
▶The liability and warranty for the device are void if the operating
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 0255 / 0355 can be dan-
gerous to people, nearby equipment and the environment.
▶The device is designed to control, shut o and meter neutral
media up to a viscosity of 21 mm2/s.
▶Provided the cable plug is connected and installed correctly, e.g.
Bürkert Type 2508, the device satises protection class IP65 in
accordance with DIN EN 60529 / IEC 60529.
▶Use according to the permitted data, operating conditions and
conditions of use specied in the contract documents and oper-
ating instructions.
▶Correct transportation, correct storage and installation and care-
ful use and maintenance are essential for reliable and problem-
free operation.
▶Use the device only as intended.
2.1 Denition of term
In these operating instructions, the term “device” always refers to
the solenoid valve Type 0255 and 0355.
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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 valve and connection lines together.
General hazardous situations.
To prevent injury, ensure that:
▶Do not make any internal or external changes. Ensure that the
system cannot be activated unintentionally.
▶Installation and repair work may be carried out by authorized
technicians only and with the appropriate tools.
▶After an interruption in the power supply or pneumatic supply,
ensure that the process is restarted in a dened or controlled
manner.
▶Do not put any loads on the body.
▶The general rules of technology apply to application planning
and operation of the device.
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 o the pressure and
vent the lines.
Risk of electric shock!
▶Before reaching into the system, switch o the power supply
and secure to prevent reactivation!
▶Observe applicable accident prevention and safety regulations
for electrical equipment!
Risk of burns/Risk of re if used continuously through hot device
surface!
▶Keep the device away from highly ammable substances and
media and do not touch with bare hands.
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3.1 Warranty
The warranty is only valid if the device is used as intended in accor-
dance with the specied application conditions.
3.2 Information on the internet
The operating instructions and data sheets for type 0255 / 0355 can
be found on the internet at:
www.burkert.com Type 0255, 0355
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
temperature)
•Pressure range
•Body material: Brass (MS), Stainless steel (VA)
•Sealing material: FKM, EPDM, NBR, PTFE, Steel
Circuit function Type 0255:
A
A
P
2/2-way valve; closed in rest position
Circuit function Type 0355:
C
A
PR
3/2-way valve; closed in rest
position, output A unloaded
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D
A
PR
3/2-way valve; in rest position output
A pressurized
E
A
P1 P2
3/2-way valve; in rest position,
pressure connection P2 connected to
output A. P1 closed
4.2 Application conditions
Ambient temperature Standard: max. +55 °C
High temperature: max. +250 °C
Protection class IP65 in accordance with DIN EN 60529 /
IEC 60529 with cable plug, e.g. Bürkert
Type 2508 or cable design
Operating duration Unless otherwise indicated on the type
label, the solenoid system is suitable for
continuous operation
Important information for functional reliability during con-
tinuous operation: If standstill for a long period at least 1-2
activations per day are recommended.
Service life High switching frequency and high pres-
sures reduce the service life
4.2.1 Permitted temperature
Permitted temperature depending on coil material and sealing
material:
Coil material Sealing material Medium
temperature
Epoxy,
Metal1)
NBR -10 - +90 °C
FKM -10 - +130 °C
EPDM -40 - +130 °C
PTFE -40 - +180 °C
Steel -40 - +180 °C
Metal2) Steel -40 - +250 °C
Coil with electronic3) max. +90 °C
1) Coil with metal housing and copper wire winding
2) Coil with metal housing and aluminum wire winding
3) Switching frequency: max. 6 switching operations/min
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4.2.2 Permitted media
Permitted media depending on sealing material
Sealing
material Permitted media
NBR Neutral media, such as compressed air,
water, hydraulic uid, oils and greases
without additives
FKM Oxygen4), hot air, hot oils, oils with additives,
per solutions
EPDM Oil and grease-free media, e.g. hot water,
alkaline suds and bleaching lyes
PTFE, Steel Water, steam, organic solvents, oils, fuel,
alcohol, hydraulic substances
4) for special design only
4.3 Conformity
In accordance with the EU Declaration of conformity, Type 0255 / 0355
is compliant with the EU Directives.
4.4 Standards
The applied standards, which verify conformity with the EU Direc-
tives, can be found on the EU-Type Examination Certicate and / or
the EU Declaration of Conformity.
4.5 Type label
Type
Circuit
function
Orice
Sealing material
Body material
Id.-Number
Manufacturer code
Voltage, Frequency,
Power consumption
Connection thread, Operating
pressure
0255 A 4,0 FKM MS
Made in Germany
00135952 W12MN
230V 50 Hz 10 W
G1/4 P
N 0
- 10 bar
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5 INSTALLATION
5.1 Safety instructions
DANGER!
Risk of injury from high pressure in the equipment!
▶Before loosening the pipes and valves, turn o the pressure and
vent the lines.
Risk of injury due to electrical shock!
▶Before reaching into the device or the equipment, switch o 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 assembly, ensure a controlled restart.
5.2 Before installation
Installation position: any, actuator preferably upwards.
Procedure:
→Check pipelines for dirt and clean.
→Install a dirt lter before the valve inlet (≤500 µm).
5.3 Installation
NOTE!
Caution risk of breakage!
•Do not use the coil as a lever 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 direction of ow:
The arrow on the body indicates the direction of ow.
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5.4 Electrical connection of the cable plug
WARNING!
Risk of injury due to electrical shock!
▶Before reaching into the system, switch o the power supply
and secure to prevent reactivation.
▶Observe applicable accident prevention and safety regulations
for electrical equipment.
If the protective conductor is not connected, there is a risk of
electric shock!
▶Always connect protective conductor and check electrical
continuity.
Note the voltage and current type as specied on the label.
Procedure:
→Tighten cable plug (for permitted types see data sheet), observing
max. torque 1 Nm.
→Check that seal is tted correctly.
→Connect protective conductor and check electrical continuity.
Seal
(ensure position
is correct)
max. 1 Nm
Authorized cable plug
e.g. Type 2508 or other suitable
cable plug in accordance with
DIN EN 175301-803 Form A
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6 MAINTENANCE, TROUBLESHOOTING
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.
6.1 Malfunctions
If malfunctions occur, check whether:
•the device has been installed according to the instructions,
•the electrical and uid connections are correct,
•the device is not damaged,
•all screws have been tightened,
•the voltage and pressure have been switched on,
•the pipelines are clean,
•adequately high power supply is applied.
Malfunction Possible cause
Valve does not switch Short-circuit or coil interrupted
Inadequate power supply
Core / core area is dirty
Medium pressure outside the permitted
pressure range
Valve does not close Internal space of the valve is dirty
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: Coil
set, Pos. 2: Wearing parts set) and the identication number of the
device.
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7.2 Overview of spare parts
Type 0255 Type 0355
2
1
1
2
8 TRANSPORT, STORAGE, DISPOSAL
NOTE!
Transport damages!
Inadequately protected equipment may be damaged during
transport.
•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 - +80 °C.
Damage to the environment caused by device components
contaminated with media.
•Dispose of the device and packaging in an environmentally
friendly manner.
•Observe applicable regulations on disposal and the environment.
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