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IMI Maxseal
ICO3S - Direct Acting Hydraulic Solenoid Poppet Valve
Compact direct-acting solenoid valve for hydraulic control up to 700 bar in harsh environments.
Delivers reliable control at high pressures with long service life and SIL3-capable safety performance.
Offers flexible configurations in voltage, porting, and actuation for easy system integration.
Certified for hazardous areas and built for continuous operation in extreme conditions.
The IMI Thompson Valves ICO3S is a direct-acting hydraulic solenoid valve designed for high-pressure, safety-critical environments. Operating at pressures up to 700 bar with flow rates up to 14 L/min, it supports water glycol and hydraulic mineral oil media. Its stainless steel body and integral last-chance filter deliver robust reliability. Rated to IP66 and SIL3 capable, it is certified for global use in hazardous areas. Compact, modular, and available in multiple voltages and connection types, the ICO3S ensures precision control with low leakage and a 100% duty cycle for up to one million cycles.
Key features
Direct-acting 3/2 NC operation
Up to 700 bar
Up to 14 L/min (Cv 0.08)
Duty cycle: 100%, 1M+ cycles
IP66, SIL3, ATEX, IECEx, FM certified
12–125V DC options
Ports: ¼" NPT, BSP, manifold mount
Conduits: M20 or ½" NPT
-30°C to +90°C
Leakage: <2 ml/hr
Specifications
Media
Hydraulic
Body Material
Stainless Steel 316L
Seal Material
NBR
FKM
Configuration
3/2 Energise to Open
Operating Pressure (bar)
50 to 700
Port Size (")
0.25 to 0.25
Port Options
ISO G
NPT
Manifold
Ambient Temperature (°C)
-55 to 90
Voltage
12V DC
24V DC
48/50V DC (48V)
110V DC
125V DC
50V AC
110V AC
Power Consumption (W)
1.0 to 5.0
Certification
ATEX
IECEx
FM
CSA
IN-METRO
NEPSI
CCOE
KOSHA
Japan (ISHL)
SIL2
SIL3
NEMA 4X
IP66
Ex Protection Concept
Ex d
Ex mbe
Ex ia
Documents