EOM2~9 quarter turn electric valve actuator range is the most widely purchased from our electric actuator range. One of the legacy product that is adaopted by various international brands to their actuator product line. This range is available from 100Nm to 2300Nm for valves DN50~DN500 butterfly valve or ball valve or dampers respectively.
Designed for maximum, continuous heavy duty use, the EOM2-9 quarter turn electric valve actuator incorporates lightweight, compact, yet robust design, numerous remote control options and reliable safety features to protect your valves and your process. Modular design enables easy customization for diverse industrial valve automation needs.
Features
1. High Torque Output (100Nm – 2300Nm)
Wide Torque Range: Applicable to small - large size of valves.
Adjustable Torque Settings: Help eliminate valve stalling or mechanical overload.
Exact Positioning: Provides exact 90° position for perfect valve operation.
2. Sturdy&Solidly built
Heavy-Duty Casing: Aluminum or stainless steel (optional), corrosion resistant.
IP67/IP68 Protection: Can function well in harsh operating conditions.
Explosion-Proof Versions: ATEX/IECEx-approved models for use in hazardous areas.
3. Multiple Control
Local Manual Control: fail safe electric actuators built-in handwheel for use in emergency situations.
Remote Automation: For use with PLC's, DCS, SCADA systems.
Fieldbus Protocols: quarter turn electric valve actuator supports Modbus RTU, Profibus, Foundation Fieldbus, DeviceNet.
Analog & Digital Signals: u2003 4-20mA, 0-10V or dry contact in/out.
4. Advanced Motor And Drive System
High Efficient Motor: High performance and low power consumption with high starting torque.
Thermal Protection: Protects from motor burn out.
Self-Locking Gear Mechanism: Holds valve closure without power.
5. User-Friendly Interface & Diagnostics:
LED Status Indicators: Displays power, valve status, and fault.
Local Push-Button Control: OPEN/CLOSE/STOP buttons for easy manual operation.
Fail-Safe Features: Field selectable fail-open (FO) or fail-close (FC).
6. Safety & Reliability
Overload & Stall Protection: Quarter turn electric valve actuator prevents wear and tear on gears.
Long Lifespan: High quality fail safe electric actuators make it have a long lifespan, no need to maintain frequently.
CE, ATEX, SIL Compliance: Complies with international safety requirements.
Applications
The EOM2-9 quarter turn valve actuator is suitable for use in:
Oil & Gas: Pipeline isolation, wellhead control and refinery valves.
Power Generation: Turbine bypass, boiler feed, cooling systems.
Water & Wastewater: Pump controls, water and waste treatment plants, distribution systems.
Chemical & Petrochemical: Process control, dosing, emergency shut-off.
Marine & Offshore: Ballast systems, fuel handling, fire safe arrays.
Why Use an EOM2-9 Quarter turn electric valve actuator?
✅ High Torque Performance: Works on valves from 100Nm to 2300Nm accurately.
✅ Rugged & Reliable: Fail safe electric actuators are designed to withstand aggressive industrial use.
✅ Flexible Control: fail safe electric actuators compatible with smart, remote, and local automation systems.
✅Maintenance Made Easy: Enclosed gears and long-life lubrication minimize time spent on maintenance.
✅ Worldwide Compliance: ATEX, IECEx, SIL, IEC, and other standards.
| STANDARD SPECIFICATION | EOM2 | EOM3 | EOM3A | EOM4 | EOM5 | EOM6 | EOM7 | EOM7A | EOM8 | EOM8A | EOM9 |
| Max torque （Nm） | 100 | 200 | 300 | 400 | 600 | 800 | 1000 | 1300 | 1700 | 2000 | 2300 |
| Max torque (lbf.in) | 885 | 1770 | 2655 | 3540 | 5310 | 7080 | 8850 | 11505 | 15045 | 17700 | 20355 |
Travel time (seconds)
110V / 220V / 380VAC @50Hz | 19 | 39 | 39 | 29 | 39 | 47 | 47 | 47 | 34 | 34 | 47 |
Travel time (seconds)
110V / 220V / 380VAC @60Hz | 16 | 33 | 33 | 24 | 33 | 39 | 39 | 39 | 29 | 29 | 39 |
Travel time (seconds)
24V AC/DC | 14 | 28 | 28 | 21 | 28 | 34 | 34 | 34 | 25 | 25 | 34 |
| Voltage | 1 phase AC 100 / 110 / 120 / 200 / 220 / 230 / 240V ±10%, 50/60Hz ±5%
3 phase AC 220 / 380 / 400 / 440 / 460V ±10%，50/60Hz ±5%
24V AC/DC |
| Motor | F class squirrel cage induction motor (Thermal sensor resistance protection to 135°C) |
| Duty cycle | ON-OFF S2~15min / Modulating S4~50% (600 starts per hour) |
| Control | ON-OFF control or Modulating control (4-20mA, 0-10V, 2-10V switchable) |
| Feedback signal | ON-OFF (2 x open / close active feedback + 2 x oepn / close dry contact feedback)
Modulating (Default 4-20mA, 0-10V and 2-10V switchable) |
| Ingress protection | IP67 |
| Space heater | Anti condensation heating resistance |
| Manual override | Hand wheel ( Automatic override non-clutch) |
| Limit switches | SPDT 2 x Open / Close, 5A@250VAC, 2 x auxiliary Open / Close |
| Mechanical stopper | 1 each, external adjustable for open and close travel |
| Indicator | Dorm type 3D indicator |
| Painting | Epoxy powder coating |
| Travel angle | 90°（±5°） |
| Ambient temperature | -25°C…+70°C |
| Casing material | Alluminium alloy |
| Cable entry | 2 x PG16 ( Metric thread available by order) |
| Humidity | Max. 95% r.h |
| Color | Black RAL9005 orange peel finish |
| CERTIFICATION | CE / CSA / EAC / LR marine approval |
| OPTIONS |
| Ingress protection | IP68 |
| Motor | H class motor (Thermal sensor resistance protection to 155°C) |
| Modulating duty | S4~75% (less than 1200 starts per hour) |
| Torque switches | 2 x open / close switches |
| Anti corrosion | C3 / C5 coating |
| Position feedback | For ON-OFF only, 4-20mA feedback, or 1KΩ potentiometer |
| Fault feedback | K2.1 collective fault feedback |
| Signal loss position | Open / Close / On position |
| Phase protection | Phase correction (3 pahse voltage only) |
| ISO5211 Mounting |
| Available flange size | F05 / F07 / F10 / F12 | F10 / F12 / F14 | F12 / F14 /F16 |
| Standard double flange size | F07+F10 | F10+F12 | N/A |
| Output shaft size | 14mm / 17mm / 22mm | 22mm / 27mm / 30mm | 27mm / 30mm / 36mm / 37mm |
| Out put shaft type | Double square star (Default) / Square / Diamond square // Round single keyed / Round double keyed / Two flat |
| Max. stem diameter | 22mm | 35mm | 45mm |
| Max. two flat | 22mm | 30mm | 37mm |
| Max. stem height | 35mm | 55mm | 65mm |
| Dimension size (mm) |
| A | 268 | 327 | 380 |
| B | 77 | 103 | 127 |
| C | 123 | 187 | 242 |
| D | 216 | 266 | 293 |
| E | 121 | 150 | 161 |
| F | 240 | 297 | 333 |
| G | 14 /17 / 22 | 22 / 27 / 30 | 27 / 30 / 36 / 37 |
| H | 35 | 55 | 65 |
| φ I | 50 / 70 / 102 / 125 | 102 / 125 / 140 | 125 / 140 / 165 |
| J | 4-M8 | 4-M10 / 4-M12 | 4-M12 | 4-M12 | 4-M16 |
| Weight (Kg) | 11Kg | 22Kg | 36Kg |
| Package dimension (mm) | 300*280*320 | 400*400*400 | 420*400*560 |
| Related Product |
| Integration type | Open / Close / Stop lamp indicator, local knob switches (1 x Local/Remote/Lock) (1 x Open / Close) |
| Intelligent type | LCD display and local knob switches (1 x Local/Remote/Lock) (1 x Open / Close), non-intrusive settig, infrared remote control menu access. |
| Communication protocol | Modbus, Hart |
| Backup- fail safe | Battery fail safe power loss backup |
| Quick open | Quick open model with travel time under 10 seconds. |
| Explosion proof | ATEX / IECEx / CSA / NEPSI |
