0121

2/2- and 3/2-way solenoid valve

for aggressive fluids

• Direct-acting, media-separated valve with diameter

of up to DN 8
• Maintenance-free pivoted armature technology
• Vibration-proof, block screwed coil system
• Service-friendly, durable manual override
Type 0121 can be combined with… • Explosion proof version

Type 2508 Type 1078

Cable plug Timer control

The 0121 valve is a direct-acting, media-sep- Technical data

arated pivoted armature valve. It is available in Orifice DN2.0 to 8.0
3/2- and 2/2-way versions. As a 3/2-way ver- Available housing materials PTFE
sion, it can be used as a distributor or mixing PVC (resistant acc. to DIN 8062, 8061)
PP (Polypropylen)
valve. Various diaphragm material combinations
PVDF
and methods of operation are available de- Stainless steel 1.4401
pending on the application. The housing offer- Seal materials FKM / FFKM / EPDM
ing includes stainless steel (316L), PTFE, and Medium
PVC versions. The solenoid coils are moulded for FKM Oxydizing acids and substances, hot oils with additives,
with a chemically resistant epoxy. The 0121 is salt solutions, waste gases
for FFKM Aggressive fluids, hot air, hot oils, Aromate, ether, Esther,
equipped with manual override for commission-
ketones (please note Bürkert chemical resistance chart).
ing and testing. For reduced energy require- for EPDM Alkalis, acids up to medium concentration, alkaline wa-
ments, all coils can be delivered with electronic shing- and bleaching lyes
power reduction or as an impulse version. The All Materials For more detailed information please consult the resis-
switching status can be indicated with posi- tance chart
Medium temperature for body EPDM: -30 to +70 °C
tion feedback as a binary or NAMUR signal.
material PVDF oder PP FKM: -10 to +70 °C
In combination with a plug in accordance with FFKM: -10 to +70 °C
DIN EN 17301-803 Form A, the valves satisfy Medium temperature for body EPDM: -30 to +90 °C
protection class IP65/67 – in combination with material PTFE or VA FKM: -10 to +90 °C
a stainless steel or plastic housing NEMA 4X. FFKM: -10 to +90 °C
Medium temperature for body EPDM: -30 to +50 °C
material PVC FKM: -10 to +50 °C
FFKM: -10 to +50 °C
Content: Ambient temperature Max. +50 °C
Standard version Viscosity Max. 37 mm2/s
Technical data p. 1 Voltages 24 V 50 Hz; 110 V 50 Hz; 230 V 50 Hz; 120 V 60 Hz;
240 V 60 Hz; 12 V DC; 24 V DC;
Additional options p. 3
(Further voltages on request)
Dimensions & Pin Assignment p. 4 Voltage tolerance +/- 10%
Ordering chart p. 5 Cycling rate max. 100/min with AC
max. 10/min for UC (high-capacity electronic)
Explosion proof version Duty cycle for VA 100%
Technical data p. 6 Duty cycle bei PVDF, PP and 40% ED (60% intermittent operation) in 10 min bei 8 W-
Additional options p. 7 PTFE version
Dimensions & Pin Assignment p. 8 100% ED for 5 W-version or high-capacity electronic
Duty cycle for PVC with PVC 10% ED (10 min)
100% ED for version with high-capacity electronic
continued
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 0121

Circuit functions
2 (A)
Technical data (continued)
A 2/2 way direct-acting
solenoid valve, normally
1 (P)
Electrical connection Tag connector acc. to DIN EN 175301-803 Form A for
closed
Cable plug type 2508/2509
(on request also with injected cable or terminal box)
2 (B)
B 2/2 way direct-acting Protection class IP65 with cable plug
solenoid valve, normally Thermal insulation class of
1 (P)
open the coil H
Installation As required, preferably with actuator upright
C 3/2 way direct-acting
2(A) Weight [kg]
12
solenoid valve, normally Material VA 0,9
closed 1(P) 3(R) Material PVDF, PP und PVC 0,38
Material PTFE 0,5
2(B)
D 3/2 way direct-acting 10
solenoid valve, normally Power consumption standard
open 1(P) 3(R)
Frequency: AC Frequency: DC
Inrush [VA] Operation [VA] Operation [W] Cold [W] Warm [W]
2(A)
E 3/2 way mixing solenoid 30 15 8 11 8
valve
1(P1) 3(P2)
Response times
4(A) 2(B)
F 3/2 way direct-acting, Frequency: AC Frequency: DC
distribution solenoid valve Opening [ms] Closing [ms] Opening [ms] Closing [ms]
1(P)
20 11 11 8
2(A)
T 33/2 way direct-acting
solenoid valve, flow
direction optional 1(P) 3(R)
Response times [ms]:
Measurement at the valve output 6 bar and +20 °C
Opening: Pressure rise 0 to 90%,
Closing: Pressure drops 100 to 10%

Pressure range and flow rate

Circuit function DN KV-value water Pressure range [bar]

[m3/h] Frequency AC Frequency DC 1)

[50 o. 60 Hz] 1)
A/F 2 0,1 0–6 0–3
4 0,3 2) 0–4 0–2
6 0,6 3) 0–2 0–1
8 1,0 0–1 0 – 0,8
C/D 2 0,1 0–3 0 – 1,5
4 0,3 2) 0–2 0–1
6 0,6 3) 0–1 0 – 0,5
8 1,0 0 – 0,3 0 – 0,3
B 2 0,1 0–6 0–3
4 0,3 2) 0–4 0–2
6 0,6 3) 0–2 0–1
8 1,0 0–1 0 – 0,5
E 2 0,1 0–3 0 – 1,5
4 0,3 2) 0–2 0–1
6 0,6 3) 0–1 0 – 0,5
8 1,0 0 – 0,2 0 – 0,2
1)
Heat output 8 W
2)
Nominal size 4 mm and seal material FKM or FFKM KV-value reduces to 0,24 m³/h
3)
Nominal size 6 mm and seal material FKM bzw. FFKM KV-value reduces to 0,48 m³/h

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 0121

Materials

Coil: Epoxy
O-ring: See Technical data
(seal materials)

Toggle pin: PTFE

Seal: see technical data (seal materi-

als)
Seat: see technical data
(available body material)
Valve body: see technical data (avail-
able body material)

(Sectional drawing of version with PVC body and FKM seal)

Additional options

Option Variable Specifications

code
Oxygen versions NL02 Suitable for application with oxygen (non-metallic materials in contact with
medium are BAM-proofed)
Higher purity requirements e.g. oil-, grease- and NL05 Parts in contact with the medium are specially cleaned and the valves ap-
silicon free propriate packed
Electrical feedback LF03 See type 1060
high-capacity electronic CZ05 Inrush power 60 W, holding current 3 W; With plastic type 100% ED
feasible
Vacuum version NA02 Suitable for vacuum up to -0,98 bar
Improved purity and tightness requirements NA03 Parts in contact with the medium are specially cleaned and the leak test to
10-4 mbar x l / sek
Coil with reduced performance (5 W) Deviced have smaller pressure rangen; for plastic version 100% ED is
achievable
Cable plug JFxx/JGxx Cable plug is part of the delivery.
Cable plug versions (acc. to DIN EN 175301-803 Form A), see separate
datasheet type 2508 and 2509
Approvals PD02 UL recognized General Purpose valve
CSA General Purpose valve
Possible conformity (depending on contruction) EAC; Drinking water; FDA

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 0121

Dimensions [mm]

Top view Bottom view

Body material D B E F
Stainless steel G 1/4 89 32 76
PVC G 3/8 91 35 65
PP G 3/8 91 35 65
PVDF G 3/8 91 35 70
PTFE G 3/8 91 35 76

PIN Assignments

The connections marked with 1, 2 and 3 are labelled in the drawing according to the circuit function table on the left.

Circuit function Connection 1 Connection 2 Connection 3

A A P
B P B
C P R A
D R P B
E P1 P2 A
F A B P

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 0121

Ordering chart (Articles with reduced delivery time)

Valves with plastic or stainless steel body, manual override and cable plug (UC with silicon cable, see footnote)
Item no. per voltage/frequency [V/Hz]

Seal material

Body or seat
Orifice [mm]

connection
function

material

024/DC

024/50

230/50

120/60
Circuit

Power
A 1) 4,0 G 3/8 FKM PVC 049654  048940  047859  -
4,0 G 3/8 EPDM PVC 050795  050085  049267  -
6,0 G 3/8 FKM PVC 048749  049348  047810  049228 
6,0 G 3/8 EPDM PVC 049337  049678  049291  -
8,0 G 3/8 FKM PVC 049697  3) 052800  052302  -
8,0 G 3/8 EPDM PVC 048698  3) 050967  050701  450543 
4,0 G¼ FKM VA 055244  056934  052441  -
4,0 G¼ EPDM VA 136290  - 136292  -
6,0 G¼ FKM VA 040482  057086  054595  -
6,0 G¼ EPDM VA 049113  - - -
4,0 G 3/8 EPDM PP 049017  - - -
6,0 G 3/8 EPDM PP 052161  - - -
4,0 G 3/8 FFKM 2) PVDF 133109  - 079653  -
4,0 G 3/8 FFKM 2) PTFE 122632  3) - 077191  457453  4)
4,0 G 3/8 FFKM PTFE 151733  - 136205  -
4,0 G 3/8 FFKM PTFE 132098  3) - - -
B 1) 4,0 G 3/8 FKM PVC - - 050158  -
6,0 G 3/8 EPDM PVC 135416  3) - - -
4,0 G 3/8 FFKM PTFE 132096  3) - - -
6,0 G 3/8 FFKM PTFE 132097  3) - - -
C 4,0 G 3/8 FKM PVC 051701  - - -
6,0 G 3/8 EPDM PVC - - 051577  -
4,0 G 3/8 FFKM PTFE - - 130625  -
4,0 G 3/8 FKM PTFE 044771  - - -
6,0 G 3/8 FFKM 2) PTFE 131364  3) - - -
4,0 G¼ EPDM VA - - 135858  -
E 4,0 G 1/4 FKM VA - - 042457  -
6,0 G 3/8 EPDM PVC 048673  - - -
4,0 G 3/8 FFKM 2) PVDF - - 120402  -
4,0 G 3/8 FFKM PTFE 151715  - 130934  -
4,0 G 3/8 FFKM 2) PTFE 135028  - - -
F 6,0 G 3/8 FKM PVC 049533  052181  047916  -
6,0 G 3/8 EPDM PVC 040062  048760  050491  -
4,0 G 3/8 FFKM 2) PTFE - - 124239  -
6,0 G 3/8 FFKM PTFE 141134  - - -
6,0 G 3/8 FKM PTFE 051256  - - -
1)
The listed Item-no. and circuit functions have a housing with straight pass
2)
Seal material seat seal is FFKM; Seal material seat O-ring FKM
3)
The listed Item-no. are equipped with a high-performance coil (60 W-inrush, 3 W-operation) and injected cable
4)
Cable plug is not part of the delivery.

Order chart for accessories

Descrip-

Item no.

Valve
tion

Mounting plate cpl. 013253 1)

for DIN rail mounting
1)
Use only with 2/2 way globe valves

Mounting plate cpl.

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 0121

Explosion proofed version

Technical data
Orifice DN2.0 to 8.0
Available housing ma- PTFE
terials PVC (resistant acc. to DIN 8062, 8061)
PP (Polypropylen)
PVDF
Stainless steel 1.4401
Seal materials FKM / FFKM / EPDM
Medium
for FKM Oxydizing acids and substances, hot oils with additives, salt solutions,
waste gases, technical vacuum
FFKM Aggressive acids, hot air, hot oil, aromatics, ether, esther, ketones
(please note Bürkert chemical resistance chart).
for EPDM Alkalis, acids up to medium concentration, alkaline washing- and
bleaching lyes
All Materials For more detailed information please consult the resistance chart
Medium temperature EPDM: -20 to +70 °C
for body material FKM: -10 to +70 °C
Circuit functions PVDF or PP FFKM: -10 to +70 °C
2 (A)
A 2/2 way direct-acting Medium temperature EPDM: -20 to +90 °C
solenoid valve, normally for body material FKM: -10 to +90 °C
closed 1 (P)
PTFE or VA FFKM : -10 to +90 °C
Medium temperature EPDM: -20 to +50 °C
2 (B)
B 2/2 way direct-acting for body material FKM: -10 to +50 °C
solenoid valve, normally PVC FFKM: -10 to +50 °C
1 (P)
open Ambient temperature. max. +50 °C
Viscosity max. 37 mm2/s
C 3/2 way direct-acting
2(A) Voltages 24 V; 230 V (further voltages on request)
12
solenoid valve, normally Frequency AC/DC
1(P) 3(R)
closed Voltage tolerance +/- 10%
Duty cycle 100%
2(B) Electrical connection Impressed cable (HO5RN-F3G,3x0,75 mm²)
D 3/2 way direct-acting 10
solenoid valve, normally Terminal box without safety fuse
open 1(P) 3(R) Protection class IP65
Thermal insulation H
2(A) class of the coil
E 3/2 way mixing solenoid
Type of protection II 2 G Ex mb IIC T4 Gb
valve
1(P1) 3(P2) II 2 D EX mb IIIC T130° Db
Certificate EPS 16 ATEX 1 111 X
4(A) 2(B)
F 3/2 way direct-acting, IECEx EPS 16.0049X
distribution solenoid valve Safety fuse Appropriate inrush current (see ordering chart)
1(P)
Installation As required, preferably with actuator upright
T 33/2 way direct-acting 2(A) Weight [kg]
solenoid valve, flow Material VA 1,15
direction optional 1(P) 3(R) Material PVDF, PP
und PVC 0,62
Material PTFE 0,75

Cycling rate
Max. cycling rate For medium For ambient
temperature temperature
Version 1 20/min Up to +70 °C Up to +40 °C
Version 2 5/min Up to +90 °C Up to +40 °C

Power consumption
Inrush [W] Operation [W]
40 3

Response times
Orifice [mm] Opening [ms] Closing [ms]
2-8 30 40

Response times [ms]:

Measurement at the valve output 6 bar and +20 °C
Opening: Pressure rise 0 to 90%,
Closing: Pressure drop 100 to 10%

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 0121

Technical data (continued)

Pressure range and flow rate
Circuit function DN Water KV-value 1) [m3/h] Pressure range 2)
[bar]
A/F 2 0,1 0–6
4 0,3 3) 0–4
6 0,6 4) 0–2
8 1,0 0–1
C/D 2 0,1 0–3
4 0,3 3) 0–2
6 0,6 4) 0–1
8 1,0 0 – 0,3
B 2 0,1 0–6
4 0,3 3) 0–4
6 0,6 4) 0–2
8 1,0 0–1
E 2 0,1 0–3
4 0,3 3) 0–2
6 0,6 4) 0–1
8 1,0 0 – 0,2
1)
Measured at +20 °C, 1 bar pressure at valve inlet and free outlet.
2)
Pressure data [bar]: Measured as overpressure to the atmospheric pressure
3)
Nominal size 4 mm and seal material FKM bzw. FFKM KV-value reduces to 0,24 m³/h
4)
Nominal size 6 mm and seal material FKM bzw. FFKM KV-value reduces to 0,48 m³/h

Additional options

Option Variable Specifications

code
Oxygen versions NL02 Suitable for application with oxygen (non-metallic materials in contact
with medium are BAM-proofed)
Higher purity requirements e.g. oil-, grease- and silicon NL05 Parts in contact with the medium are specially cleaned and the valves
free appropriate packed
Vacuum version NA02 Suitable for vacuum up to -0,98 bar
Improved purity and tightness requirements NA03 Parts in contact with the medium are specially cleaned and the leak test
to 10-4 mbar x l / sek

Recommended backup value

(at coil with certificate EPS 16 ATEX 1 111 X/ IECEx EPS 16.0049X no fuse is required)

Voltage [V] Max. current [A]

24 2
230 0.5
110-120 0.8

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 0121

Dimensions [mm]

Terminal box version

74.4
Swing radius of cover 64.6
R84 Cable gland
M20x1.5 or NPT 1/2-14

45°

82.3
120.3
9

54
36.6
13
acc. to
ordering code

A
13

D
B
max. screw-in depth for
threaded connections C

140

Cable version

78.5
6.2

24
cable length acc. to 9
40.7

36.5

ordering information
38
13

acc. to
ordering code Body material A B C D
A

Stainless steel 36 32 76 19.5

13

PVC 38 35 65 17
D PP 38 35 65 17
max. screw-in depth for PVDF 38 35 70 19.5
threaded connections C
PTFE 38 35 76 22.5

Note - Attaching device: M4 x 5 holes on the bottom of the housing on the hole pattern 38 x 24mm

PIN Assignments

The connections marked with 1, 2 and 3 are labelled in the drawing according to the circuit function table on the left.
Circuit function Connection 1 Connection 2 Connection 3
A A P
B P B
C P R A
D R P B
E P1 P2 A
F A B P

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 0121

Ex-Cable glands
(polyamide version included in delivery / surcharge applied for brass nickel plated version
Ex Approvals

Certification
Description

Identifica-

Drawing
Item no
Photo

tion
TL 29-37 mm
Brass.
L 6 mm
nickelpla- PTB 04 ATEX 1112 X, II 2 G Ex e IIC Gb,
773278  D 20
ted, IECEx PTB 13.0027X II 2 D Ex tb IIIC Db IP68,
6-13 mm SW 24 mm
E 27 mm

TL 36-45 mm
L 10 mm
Polyamide, PTB 13 ATEX 1015 X, II 2 G Ex e IIC Gb,
773277  D 20
7-13 mm IECEx PTB 13.0034X II 2 D Ex tb IIIC Db IP68
SW 24 mm
E 28 mm

Special tool to turn the junction box (not included in delivery)

Descrip-

Item no.
Photo

tion

Set SC02-AC10
Special wrench
293488 
Service Manual

To find your nearest Bürkert facility, click on the orange box www.burkert.com

In case of special application conditions, Subject to alterations

please consult for advice. © Christian Bürkert GmbH & Co. KG 1712/10_EU-en_00891601

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