www.atos.com
On-off ex-proof solenoid valves
multicertification ATEX, IECEx, EAC
T
able
E120-28/E
E120
DHA-06*
valve body
spool
ex-proof solenoid
manual override
threaded connections for cable gland or conduit pipe
internal terminal board for cable connection
O
n/off valves equipped with explosion-proof
s
olenoids available with following
multicertifications:
M
ulticertification for solenoids group II for
surface plants with gas, vapours and dust
e
nvironment
•
ATEX 94/9/EC
Ex II 2G Ex d IIC T6/T4 Gb
Ex II 2D Ex tb IIIC T85°C/T135°C Db
• IECEx worldwide recognized certification
Ex d IIC T6/T4 Gb
Ex tb IIIC T85°C/T135°C Db
• EAC EurAsian Certification
Ex II 2G Exd IIC T6/T4
Multicertification for solenoids group I for
s
urface, tunnels or mining plants
• ATEX 94/9/EC: Ex I M2 Ex db I Mb
•
IECEx: Ex db I Mb
DHA and DLAH are SIL compliance with
I
EC 61508 (TÜV certified) - see section 3.6
T
he solenoid case is designed to contain the
possible explosion which could be caused
b
y the presence of the gas mixture inside
t
he housing, thus avoiding dangerous
p
ropagation in the external environment.
T
hey are also designed to limit the external
temperature according to the certified class
to avoid the self ignition of the explosive
mixture present in the environment.
Method of protection Ex d
Temperature class (only for Group II) T6 T4
Surface Multicertification for
Group II
£ 85 °C £135 °C
temperature
Multicertification for
Group I (mining)
150 °C
Ambient Multicertification for
Group II
-40 ÷ +45 °C (2) -40 ÷ +70 °C (2)
temperature
Multicertification for
Group I (mining)
-20 ÷ +70
1 EX-PROOF SOLENOIDS: MAIN DATA
SOLENOID TYPE ON/OFF
Multicertification for Group II OA
Multicertification for Group I (mining) OAM
Solenoid
code
Power consumption 8W
Coil insulation Class H
Protection degree
IP 66/67 According to IEC 144 when correctly coupled
with the relevant cable gland PA*, see section
1
6
Duty factor 100%
Mechanical construction
Cable entrance and
electrical wiring
Flame proof housing classified Ex d, according to EN 60079-0: 2006, EN 60079-1: 2007
Internal terminal board for cable connection. Threaded connection for cable entrance,
vertical (standard) or horizontal (option /O). See section for cable gland and wiring
16
Voltage 12DC, 24DC, 28DC, 48DC, 110DC, 125DC, 220DC
code
12AC, 24AC, 110-120AC, 230-240AC (1)
VDC
VAC 50/60 Hz
(1) For alternating current supply a rectifier bridge is provided built-in the solenoid
(2) The Group II solenoids are certified according to ATEX and IECEx for minimum ambient temperature -40°C.
In case the complete valve must withstand with minimum ambient temperature of -40°C, select /BT in the model code
±10%
±10%
Hydraulic fluid
NBR, FKM, HNBR
FKM
NBR, HNBR
DIN 51524
ISO 12922
HL, HLP, HLPD, HVLP, HVLPD
HFDU, HFDR
HFC
Suitable seals type
Classification Ref. Standard
2
MAIN CHARACTERISTICS, SEALS AND HYDRAULIC FLUID -
for other fluids not included in below table, consult our technical office
NBR seals (standard) = -20°C ÷ +60°C, with HFC hydraulic fluids = -20°C ÷ +50°C
Seals, recommended fluid temperature FKM seals (/PE option) = -20°C ÷ +80°C
HNBR seals (/BT option) = -40°C ÷ +60°C, with HFC hydraulic fluids = -40°C ÷ +50°C
Recommended viscosity 15÷100 mm
2
/s - max allowed range 2.8 ÷ 500 mm
2
/s
Fluid contamination class ISO 4406 class 21/19/16 NAS 1638 class 10, in line filters of 25 mm (b10 _>75 recommended)
Assembly position / location Any position for all valves
Subplate surface finishing Roughness index Ra 0,4 - flatness ratio 0,01/100 (ISO 1101)
A
B
3
MULTICERTIFICATIONS
In the following are resumed the valves marking according to multicertifications for Group II and Group I (mining)
EXAMPLE OF NAMEPLATE MARKING
Marking
a
ccording to
ATEX Directive
3.1 GROUP II, ATEX marking
3
.2 GROUP II, IECEx marking
3.4 GROUP I, ATEX (mining)
EAC (EurAsian certification) acknowledges the whole ATEX Directive
9
4/9/EC.
This certification is available only for gas environment (not for dust).
3.3 EAC marking
N
ote:
According to EN60079-0 the valves with Atex certification
c
an be coated with a non-metallic material (for ex. pain-
t
ened), observing the maximum thickness:
G
roup IIC = 0,2 mm max
WARNING: service work provided on the valve by the end users or not qualified personnel invalidates the certification
= ATEX identification for explosive atmospheres equipments
I = Group I for mines and surface plants
M2 = High protection (equipment category)
Ex db = Explosion-proof equipment
I = Gas group (Methane)
Mb = Equipment protection level, high level protection for
explosive atmospheres
IP66/67 = Protection degree
3.5 GROUP I, IECEx (mining)
Ex db = Explosion-proof equipment
I = Gas group (Methane)
Mb = Equipment protection level, high level protection for explosive
atmospheres
IP66/67 = Protection degree
3.6 SIL compliance with IEC 61508: 2010
DHA and DLAH (multicertified for surface and mining) meets the requirements of:
- SC3 (systematic capability)
- max SIL 2 (HFT = 0 if the hydraulic system does not provide the redundancy for the specific safety function where the component is applied)
- max SIL 3 (HFT = 1 if the hydraulic system provides the redundancy for the specific safety function where the component is applied)
M
arking
according to
I
ECEx Directive
I
ECEx notified
body and certifi-
c
ate number
A
tex notified
body and certifi-
c
ate number
M
arking
according to
A
TEX Directive
E
AC notified
body and certifi-
cate number
EXAMPLE OF NAMEPLATE MARKING
II 2 G = Solenoid for surface plants with gas and vapors environment,
c
ategory 2, suitable for zone 1 and zone 2
E
x d = Explosion-proof equipment
II C =
Equipment of group IIC suitable for substances (gas) of group IIC
T6/T4 = Solenoid temperature class (maximum surface temperature)
G
b = Equipment protection level, high level protection for explosive
G
as atmospheres
= Mark of conformity to the applicable European directives
I
I 2 D = Solenoid for surface plants with dust environment, category 2,
s
uitable for zone 21 and zone 22
E
x d = Explosion-proof equipment
III C = Suitable for conductive dust (applicable also IIIB and/or IIIA)
I
P66/67 = Protection degree
T
85/T135 = Maximum surface temperature (Dust)
Db = Equipment protection level, high level protection for explosive
Dust atmospheres
= Mark of conformity to the 94/9/CE directive and to the techni-
c
al norms
E
x d = Explosion-proof equipment
I
IC =
E
quipment of group IIC suitable for substances (gas) of group IIC
T6/T4 = Solenoid temperature classes (Gas)
Gb = Equipment protection level, high level protection for explosive
G
as atmospheres
E
x tb = Equipment protection by enclosure”tb”
IIIC = Suitable for conductive dust (applicable also IIIB and/or IIIA)
T85°C/T135°C = Maximum surface temperature (Dust)
D
b = Equipment protection level, high level protection for explosive
Dust atmospheres
I
P66/67 = Protection degree
II 2 G = Solenoid for surface plants with gas and vapors environment,
category 2, suitable for zone 1 and zone 2
Ex d = Explosion-proof equipment
II C = Equipment of group IIC suitable for substances (gas) of
group IIC
T6/T4 = Solenoid temperature class (maximum surface temperature)
=
Mark of conformity to the 94/9/CE directive and to the technical
norms
Marking
according to
IECEx Directive
IECEx notified
body and certifi-
cate number
Marking
according to
Atex Directive
Atex notified
body and certifi-
cate number
D
HA = spool type -
d
irect
O
ptional multicertifications
- = omit for Group II
M
= Group I (mining)
Solenoid threaded connection for cable gland:
G
K = GK-1/2” ISO/UNI-6125 (tapered)
NPT = 1/2” NPT ANSI B2.1 (tapered)
M
= M20x1,5 UNI-4535 (6H/6g)
4 MODEL CODE OF SPOOL TYPE, DIRECT SOLENOID VALVES
Valve configuration, see section
쪫
S
pool type, see section
쪫
Series number
V
alve size (ISO 4401)
f
or DHA 0 = 06
V
oltage code - see section
쪧
(1) Not for multicertification M group I (mining)
(2) Available only for DHA, configuration 61, 63, 71 and spool type 0, 0/2, 1, 1P, 1/2, 1/2P, 3, 3P, 4, 7
Options:
A = solenoid at side of port B (for single solenoid
v
alves)
M
V = vertical hand lever (2)
O = horizontal cable entrance (1)
WP = prolongued manual override protected by
m
etallic cap
E120
2
1
2
1
0 2
1
0
1
71
63
61
75
67/A
63/A
61/A
67
5
CONFIGURATIONS and SPOOLS for DHA valves
0
8
49
1
90
16
09
17
3
91
58
4
19
5
93
6
39
7
94
0 2
0 2
0
1
0/2
1
/2
2/2
01 0 2
01 0 2
01 0 2
01 0 2
01 0 2
Configurations Spools Configurations Spools
2
1
70
Note: spools 1, 1/2 and 3 are available as 1P, 1/2P and 3P to limit the valve internal leakage
DHA
/
/
/
/-
GK * 24DC
** *
* 0 1/2
63
S
eals material,
s
ee section 쪨:
-
=
N
BR
P
E = FKM
B
T = HNBR
6
Q/Dp DIAGRAMS AND OPERATING LIMITS OF DHA (based on mineral oil ISO VG 46 at 50°C)
0 C C C C
0/2, 1, 1/2 A A A A
3 A A C C
4, 5 D D D D A
6 A A C A
7 A A A C
8 C C B B
DHA
valve pressure drop [bar]
Flow rate [l/min]
D
B
A
C
Flow direction
Spool type
P→A P→B A→T B→T P→T
Flow rate [l/min]
Inlet pressure [bar]
V
M
S
DHA
M=Spools 0, 1, 8;
S =Spools 0/2,1/2, 3, 6, 7;
V =Spools 4, 5
PRESSURE LIMITS: P, A, B = 350 bar; T = 210 bar
only for spool 0/2 and 1/2
not for
configuration 75
D
PHA = spool type -
p
iloted
O
ptional multicertifications
-
= omit for Group II
M = Group I (mining)
S
olenoid threaded connection for cable gland:
GK = GK-1/2” ISO/UNI-6125 (tapered)
N
PT = 1/2” NPT ANSI B2.1 (tapered)
M
= M20x1,5 UNI-4535 (6H/6g)
7 MODEL CODE OF SPOOL TYPE, PILOTED SOLENOID VALVES
V
alve configuration, see section
쪮
Spool type, see section
쪮
S
eries number
V
alve size (ISO 4401)
for DPHA 1 = 10 2 = 16
4 = 25 6 = 32
V
oltage code - see section
쪧
(
1) Not for multicertification M group I (mining)
O
ptions:
A = solenoid at side of port B (for single solenoid
valves)
O = horizontal cable entrance (1)
W
P=
p
rolongued manual override protected by metallic
c
ap
/
D = Internal drain
/
E = external pilot pressure
/H =
adjustable chokes (meter-out to the pilot chambers
of the main valve)
/H9 = adjustable chokes (meter-in to the pilot chambers
o
f the main valve)
/
L9 =
(
only for DPHA-2 and DPHA-4) plug with calibrated
r
estrictor on port P of pilot valve
/
R = pilot pressure generator (not for DPHA-1)
/S = main spool stroke adjustment (not for DPHA-1)
NOTES: - For DP*-1 are available only spools: 0, 0/2, 1, 1/2, 3, 4, 5, 58, 6, 7
- For DP*-6 are available only spools: 0, 1, 2, 3, 4, 5, 58, 6, 7, 8, 19, 91
1 2
1 2
12
1
1 0 2
1 0
12 12
1
0 2
02
1
1 0
71
6
3
61
75
67/A
63/A
61/A
67
8
C
ONFIGURATIONS and SPOOLS for DPHA valves
0
8
49
1
90
16
2
09
17
3
91
58
4
19
5
93
6
39
7
94
0/2
1/2
2/2
01 0 2
01 0 2
01 0 2
01 0 2
01 0 2
70
Configurations Spools Configurations Spools
DPHA
/
/
// -
GK * 24DC
** *
* 2 1/2
63
Seals material,
see section 쪨:
-
=
N
BR
P
E = FKM
B
T = HNBR
9
MODEL CODE OF POPPET TYPE LEAK FREE DIRECTIONAL SOLENOID VALVES
11
Q/Dp DIAGRAMS AND OPERATING LIMITS OF DLAH AND DLAHM (based on mineral oil ISO VG 46 at 50°C)
DLAH DLAHM
P→A A→T
(P
→B) (B →T)
Flow rate [l/min]
Flow rate [l/min]
valve pressure drop [bar]
valve pressure drop [bar]
A
D
C
B
G
F
E
DLAH-2A B –
DLAH-2C C –
DLAH-3A D C
DLAH-3C C A
DLAHM-3A G F
DLAHM-3C F E
Flow direction
Valve type
(1)
(1) For two-way valves pressure drop
refers to P→T
INTERNAL LEAKAGE of DLAH and DLAHM
less than 5 drops/min (0,36 cm
3
/min) at max
pressure
1
0
C
ONFIGURATION OF DLAH AND DLAHM
DLAH-2A DLAH-2A/R DLAH-2C DLAH-2C/R DLAHM-3A
DLAH-3A
DLAH-3A/R DLAH-3C DLAH-3C/R DLAHM-3C
D
irectional control valve
poppet type, size 06
DLAH = max flow 12 l/min
DLAHM = max flow 30 l/min
Valve configuration, see section
A = open in rest position
C = closed in rest position
1
0
O
ptional multicertifications
-
= omit for Group II
M = Group I (mining)
S
eries number
2 = two way (only for DLAH)
3 = three way
V
oltage code - see section
쪧
Options:
O =
h
orizontal cable entrance
(
1)
R = with check valve on port P (only for DLAH)
WP =
prolongued manual override protected by
metallic cap
D
LAH
/-//
G
K
* 2
4DC
**
/
*
* 2
A
S
eals material,
s
ee section 쪨:
- =
NBR
PE = FKM
B
T = HNBR
Solenoid threaded connection for cable gland:
G
K = GK-1/2” ISO/UNI-6125 (tapered)
NPT = 1/2” NPT ANSI B2.1 (tapered)
M = M20x1,5 UNI-4535 (6H/6g)
(1) Not for multicertification M group I (mining)
Flow rate [l/min]
Inlet pressure [bar]
A
B
DLAH
Flow rate [l/min]
Inlet pressure [bar]
D
C
DLAHM
A =DLAH-3A;
B =DLAH-2A, DLAH-3C
C =DLAHM-3A;
D =DLAHM-3C
PRESSURE LIMITS:
P, A, B = 350 bar; T = 210 bar
/
A
GAM = pressure relief
v
alve: subplate
m
ounting, see tab.
C
066
A
RAM = pressure relief
valve: threated
connections, see tab.
C045
1
2
M
ODEL CODE OF PRESSURE RELIEF VALVES
V
alve size
f
or AGAM: 10 (ISO 6264)
20 (ISO 6264)
32 (ISO 6264)
f
or ARAM: 20 = G 3/4”
32 = G 1 1/4”
V
alve configuration
0
= venting with de-energized solenoid
1
= venting with energized solenoid
2
= without venting
M
ax regulated pressure of first (second / third) setting see sect.
13
S
olenoid threaded connection for cable gland:
GK = GK-1/2” ISO/UNI-6125 (tapered)
NPT = 1/2” NPT ANSI B2.1 (tapered)
M = M20x1,5 UNI-4535 (6H/6g)
O
ptions:
E
= external pilot
O
=
horizontal cable entrance
(1)
V
=
regulating handweel
W
P
=
p
rolongued manual override protected by
m
etallic cap
Y
=
external drain
Number of the different setting
p
ressure values:
1
= one setting pressure
2
= two setting pressure
3
= three setting pressure
E120
Certification type
AO = Multicertification for Group II
A
O/M = Multicertification for Group I (mining)
S
eries number
Voltage code - see section
쪧
AGAM
/
/
//-
210/100/100 NPT AO * 24DC
** *
20 0
2
S
eals material,
s
ee section 쪨:
-
=
N
BR
PE = FKM
BT = HNBR
Valve model Size 10 Size 20 Size 32
Setting 50; 100; 210; 350
Max pressure port P [bar] 350
Pressure range [bar] 4÷50; 6÷100; 7÷210; 8÷350
Max flow AGAM [l/min] 200 400 600
Max flow ARAM [l/min] - 350 500
1
3 HYDRAULIC CHARACTERISTICS
AGAM-**/10
ARAM-**/10
AGAM-**/20
ARAM-**/20
ARAM-**/10
AGAM-**/11
AGAM-**/21
ARAM-**/21
AGAM-**/22
ARAM-**/22
AGAM-**/32
ARAM-**/32
(1) Not for multicertification M group I (mining)
/
-
/
E120
1
4 M
ODEL CODE OF COVERS FOR CARTRIDGE VALVES
S
eries number
Certification type
A
O =Multicertifications for Group II,
AO/M =Multicertifications for Group I, ATEX (mining)
S
olenoid threaded connection for cable gland:
G
K = GK-1/2” ISO/UNI-6125 (tapered)
N
PT = 1/2” NPT ANSI B2.1 (tapered)
M
= M20x1,5 UNI-4535 (6H/6g)
Note: for the code of the ISO cartridge to use with the above covers see tab. H003, section
쪨
and tab. H030, section
쪩
V
oltage code - see section
쪧
Options:
B = cartridge piloted via port “B” of solenoid pilot valve
E = external attachments X (1/4" GAS) and underneath
p
ort X supplied plugged (only for sizes 40...63)
O
=
h
orizontal cable entrance
(
1)
W
P = prolongued manual override protected by metallic
c
ap
S
ize (ISO 7368)
1 = 16; 4 = 40;
2 = 25; 5 = 50;
3 = 32; 6 = 63;
O
ptional different
p
rovision or setting
o
f the calibrated
plugs in the pilot
channels
see table H030
s
ect. 쪬
1
5 HYDRAULIC SYMBOLS
LIDBH1A-*
LIDEW1-* LIDEW2-* LIDEW4-* LIDEW5-* LIDEW6-*
LIDBH1C-*
LIDBH2A-*
LIDBH2C-*
C
over type:
L
IDBH* = with solenoid valve and
shuttle valve for pilot selection
LIDEW*= with solenoid valve for
pilot selection
*
= valve configuration (see
H
030 section 쪨)
S
eals material,
s
ee section
쪨
:
-
= NBR
P
E = FKM
B
T = HNBR
LIDEW
/- -//
AO * 24DC ** *
*
1 GK
(
1) Not for multicertification M group I (mining)
16
CABLE GLANDS AND WIRING
16.3 Wiring specifications
Power supply: section of coil connection wires = 2,5 mm
2
Grounding: section of internal ground wire = 2,5 mm
2
additional equipotential grounding can be also performed by the user on the external facility provided on the solenoid case.
section of external ground wire = 4 mm
2
The cable must be suitable for the working temperature as specified in the “safety instructions” delivered with the first supply of the
products.
Max ambient temperature [°C] Temperature class Surface temperature [°C] Cable temperature
45 °C
70 °C
T6
T4
85 °C
135 °C
not prescribed
90 °C
16.1 Cable glands
Cable glands with threaded connections GK-1/2”, 1/2”NPT or M20x1,5 for standard or armoured cables have to be ordered separately,
see tech. table K600
16.2 Terminal board for cable connection
PCB 3 poles terminal board suitable for wires cross sections up to 2,5 mm
2
(max AWG14)
1 = Coil
2 = GND
3 = Coil
07/16
O
A; OA/M
Option /WP
훾
=
Cable entrance
for solenoid wiring
훽
=
screw terminal for additional equipotential grounding
훽
훽
1
7 S
OLENOIDS DIMENSIONS AND WIRING
Option /OWP
O
ption /O
훽
훽
훾
훾
훾
훾
Option /MV
훽
Option /O
쩨
Mass: 1,67 kg Mass: 2 kg
Mass: 1,91 kg Mass: 2,24 kg