SD3EX-B2
7/8-14 UNF • Q
max
75 l/min (20 GPM) • p
max
420 bar (6100 PSI)
Subject to change · SD3EX-B2_4067_1a_05/2015
Page 1
www.argo-hytos.com
Explosion-proof, 2/2 Directional Valve, Solenoid Operated, Piloted Poppet-Type
› Valve and solenoid design prevents a surface temperature capable of igniting
› Solenoid coil in acc. with directive 94/9/EC (ATEX) for explosion-hazard zones
› High ow capacity and transmitted hydraulic power up to 420 bar
› Hardened and precision working parts
› Normally open and closed variant
› All ports may be fully pressurised
› In the standard version, the valve is zinc-coated for 520 h protection acc. ISO 9227
Technical Features
EPS14ATEX1744 X
AC
l M2 Ex mb I Mb
lI 2G Ex mb IIB T4, T5, T6 Gb
lI 2D Ex mb IIIC T135°C, T100°C, T85°C Db
DC
l M2 Ex e mb I Mb
lI 2G Ex e mb IIB T4, T5, T6 Gb
lI 2D Ex tb IIIC T135°C, T100°C, T85°C Db
IECEx EPS14.0064 X
AC
Ex mb I Mb
Ex mb IIB T4, T5, T6 Gb
Ex mb IIIC T135°C, T100°C, T85°C Db
DC
Ex e mb I Mb
Ex e mb IIB T4, T5, T6 Gb
Ex tb IIIC T135°C, T100°C, T85°C Db
Technical Data
Valve size / Cartridge cavity 7/8-14 UNF-2A / B2
Max. ow l/min (GPM) 75 (15.9)
Max. operating pressure bar (PSI) 420 (6090)
Fluid temperature range °C (°F) -30 ... +70 (-22 ... +158)
Max. switching frequency 1/h 15 000
Weight with coil kg (Ibs) 1,60 (3.53)
Technica Data - Explosion proof Solenoid
Voltage type AC 50 / 60 HZ DC
Available voltages V 110, 230 12, 24, 48, 110
Available nominal power W 10
Supply voltage tolerance % AC, DC ± 10
Duty cycle S1 (100%ED)
Enclosure type of the Solenoid to EN 60529 IP 65
Weight (solenoid only) kg (Ibs) 1,3 (2.87)
Ambient temperature range
Temperature class /
Nominal power
T4 / 10 W
°C (°F)
-30 ... +70 (-22 ... +158)
T5 / 10 W -30 ... +55 (-22 ... +131)
T6 / 10 W -30 ... +45 (-22 ... +113)
Data Sheet Type
General information GI_0060 products and operating conditions
Coil types C_8007 74 EX 18
Bodies for
valves
In-line mounted SB_0018 SB-B2*
Sandwich mounted SB-04(06)_0028 SB-*B2*
Cavity details / Form tools SMT_0019 SMT-B2*
Spare parts SP_8010
Characteristics measured at ν = 32 mm
2
/s (156 SUS)
Operating pressure p [bar (PSI)]
Flow Q [l/min (GPM)]
(730)
100
150
50
300
350
200
250
(2.6)
(5.3)
(7.9) (10.6) (13.2) (15.9)
10 20 30 40 50 60 70 80
0
400
450
(18.5)
(14.5)
(29.0)
(72.5)
(43.5)
(58.0)
0
15
30
45
60
4
6
2
8
10
(4.0)
(7.9) (15.8) (19.8)(11.9)
75
1
2
3
Connection Direction Solenoid Connection Direction Solenoid
1 2L2 1→2 OFF 2 2O2 1→2 OFF
2 2L2 2→1 ON 3 2O2 2→1 OFF
2 2L2 1→2 ON
Flow Q [l/min (GPM)]
Pressure drop Dp [bar (PSI)]
Operating limits Pressure drops Δp-Q
Ambient temperature 70 °C (158 °F), Voltage U
n
-10% (24 VDC), Power P
n
10 W
ATEX/IECEx Classification