System Description; Technical Data - Burkert 0121 Manuel D'utilisation

General hazardous situations.
To prevent injuries:
▶ In a potentially explosive area, the device may be used only in accor-
dance with the specification on the type label. For the use, observe
the supplementary instructions manual enclosed with the device with
safety instructions for the explosion-risk area.
▶ The enclosed UL instructions must be followed in the UL area.
▶ Do not carry out any external or internal modifications and do not
subject the device to mechanical loads (e.g. by placing objects on
it or standing on it).
▶ Secure the device against unintentional activation.
▶ Only trained technicians may perform installation and maintenance
work.
▶ The valves must be installed in accordance with the regulations
applicable in the country.
▶ After an interruption in the power supply, ensure that the process is
restarted in a controlled manner.
▶ Observe the general rules of technology.
5 Technical daTa
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 (MS=brass, VA=stainless steel, PV=PVC,
TE=PTFE, PP=polypropylene, PD=PVDF)
• Sealing material (F=FKM, A=EPDM, B=NBR, C=FFKM)
5.1 conformity
The Types 0121, 0330, 0331, (0124, 0125, 0332, 0333) are compliant
with the EC Directives according to the EC Declaration of Conformity.
5.2 standards
The applied standards, which are used to demonstrate compliance with
the EC Directives, are listed in the EC type test certificate and/or the EC
Declaration of Conformity.
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5.4 mechanical data
Dimensions see data sheet
Coil material epoxide
Connections G 1/4
(NPT 1/4, G 1/8, G 3/8, Rc 1/4 on request)
5.5 fluidic data
Media aggressive, neutral, gaseous and liquid media,
which do not attack body and sealing materials.
(see resistance table at www.buerkert.de).
Medium temperature for sealing material
FKM 0 °C – +90 °C
EPDM -30 °C – + 90 °C
NBR 0 °C – + 80 °C
FFKM +5 °C – +90 °C
4 sysTem descripTion
4.1 general description
The pivoted armature valves are direct acting 2/2 or 3/2-way solenoid
valves in a wide variety of circuit functions and models. Solenoid system
and media chamber are separated from one another by a separating
diaphragm system. The valves are fast acting and have a long service life.
Type 0121 2/2 or 3/2-way solenoid valve, socket valve body
Type 0330 2/2 or 3/2-way solenoid valve, socket valve body
Type 0331 2/2 or 3/2-way solenoid valve, flange valve body
Type 0332 Bistable 2/2 or 3/2-way solenoid valve
with 2 coil windings, socket valve body
Type 0333 Bistable 2/2 or 3/2-way solenoid valve
with 2 coil windings, flange valve body
Type 0124 2/2 or 3/2-way solenoid valve, socket valve body
Type 0125 2/2 or 3/2-way solenoid valve, flange valve body
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5.3 operating conditions
Ambient temperature
Type 0121 max. +50°C
Other types max. +55°C
Duty cycle
for body material
Brass or stainless steel long-term operation, duty cycle 100%
Plastic max. permissible duty cycle
see data sheet
Important information for functional reliability.
If switched off for a long period, 1-2 switching actions are rec-
ommended prior to restart.
Service life
High switching frequency and high pressures reduce the service life.
Degree of protection IP65 in accordance with DIN EN 60529
/ IEC 60529 with correctly connected
and installed cable plug, e.g. Bürkert
Type 2508
Circuit functions
2 (A)
A 2/2-way valve,
(NC) closed in rest position
1 (P)
2 (A)
B 2/2-way valve,
(NO) open in rest position
1 (P)
2(A)
C 3/2-way valve; closed in rest position,
(NC) output A unloaded
1(P) 3(R)
4(B)
D 3/2-way valve, in rest position, output B
(NO) pressurized
1(P) 3(R)
3/2-way mixing valve; in rest position,
2(A)
E pressure connection P2 connected to
output A, P1 closed
1(P) 3(R)
3/2-way distribution valve,
2(A) 4(B)
F in rest position, pressure connection P
1(P)
connected to output B
2(A)
T 3/2-way all purpose valve
1(P) 3(R)
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Type 0121 / 0330 / 0331
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