The EFM-EOM-Battery Backup Fail Safe Electric Actuator is an intelligent solution designed to maintain control of critical valves and dampers in the event of a power failure. By integrating a battery backup system, this fail safe actuator ensures that industrial processes can continue without interruption, safeguarding against potential hazards and downtime in sectors such as oil and gas, chemical processing, power generation, and water treatment.
Fail Safe Electric Actuators Impact on Industrial Automation
The introduction of the EFM-EOM-Battery Backup Fail Safe Actuator is expected to have a significant impact on industrial automation, particularly in sectors that require uninterrupted control of processes.
Oil and Gas Industry:the fail safe electric actuators ensures that critical valves can be controlled even during power outages, reducing the risk of leaks and process interruptions.
Chemical Processing: the electric actuators's fail-safe positioning ensures that reactions can be safely halted or controlled in the event of a power failure.
Power Generation: the fail safe actuator's ability to maintain control of critical valves contributes to the stability and safety of power generation processes, even during unexpected power loss events.
Water Treatment: the fail safe electric actuators ensures that essential processes such as flow control and chemical dosing can continue, preventing contamination and ensuring water quality.
Key Features
✔Fail-safe feature ─ Automatically resets to a pre-determined safe egress position in case of a power failure or lost system connectivity.
✔ Marine-Grade Build– Stainless-steel (screws, nuts and washers) and anodized aluminum for ultimate saltwater use.
✔ Waterproof & IP68 Rated – Completely sealed and watertight, perfect for underwater and high-pressure wash down.
✔ Powerful & Accurate Control System — Fail safe electric actuator provides precise positioning of dampers, valves and other marine systems, giving you the reliable torque output you need.
✔ Explosion Proof Options Available – Explosion proof certified for use in hazardous areas (ATEX, IECEx) where flammable gases might be present.
✔ Low Power Consumption – Minimize your system’s energy cost.
✔ Easy to integrate – compatible with the majority of marine control systems (4-20mA, Modbus, CAN bus etc.).
Why Choose Our Marine Fail Safe Actuator?
✅ Trustworthy for Emergencies– Backpowering assured for system security in case of power outage or failure.
✅ Marine electric actuator perfect For Tough Environment – Sulphur, saltwater, UV Resistant Folder .
✅Low Maintenance - Sealed bearings and self lubricating features mean more up time for the user.
✅ Custom Fit – Marine electric actuator offered in various sizes, voltages and control options.
| STANDARD SPECIFICATION | EFM1-H-DO | EFMA-H-DO | EFMB-H-DO | EOM2-DO | EOM3-DO | EOM4-DO | EOM5-DO | EOM6-DO | EOM7-DO |
| Max torque (Nm) | 35 | 50 | 35 | 100 | 200 | 400 | 600 | 800 | 1000 |
| Max torque (lbf.in) | 310 | 443 | 310 | 885 | 1770 | 3540 | 5310 | 7080 | 8850 |
Travel time (seconds) 24V AC/DC | 11 | 15 | 22 | 19 | 39 | 39 | 39 | 47 | 47 |
| Voltage | 24V AC/DC (For 220V power adapter is required) |
| 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) |
| Battery duty | 5 x full stroke per full charging. 24VDC 1500mAH battery 5 hours to fully charged. |
| Back up positioin | Power loss position can be factory preset to open or close |
| 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 |
| 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 PG13.5 | 2 x PG16 |
| Humidity | Max. 95% r.h |
| Color | Black RAL9005 orange peel finish |
| OPTIONS |
| 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 |
| ISO5211 Mounting |
| Available flange size | F03 / F05 / F07 | F05 / F07 / F10 / F12 | F10 / F12 / F14 |
| Double Flange size | F03+F05+F07 | F07+F10 | F10 + F12 |
| Output shaft size | 11mm / 14mm / 17mm | 14mm / 17mm / 22mm | 22mm / 27mm / 30mm |
| Out put shaft type | Double square (star shape) for square valve stem | Square / Diamond square / Round single keyed / Round double keyed / Two flat |
| Max. stem diameter | N/A | 22mm | 35mm |
| Max. two flat | N/A | 22mm | 30mm |
| Max. stem height | 20mm | 35mm | 55mm |
| Dimension size (mm) |
| A | 218 | 265 | 321 |
| B | 223 | 217 | 206 |
| C | 115 | 79 | 103 |
| D | 219 | 216 | 262 |
| E | 76 | 120 | 150 |
| F | 118 | 240 | 297 |
| G | 11mm / 14mm / 17mm | 14mm / 17mm / 22mm | 22mm / 27mm / 30mm |
| H | 20 | 35 | 55 |
| φ I | 36 / 50 / 70 | 50 / 70 / 102 / 125 | 102 / 125 / 140 |
| J | 4-M5 / 4-M6 / 4-M8 | 4-M8 | 4-M10 / 4-M12 |
| Weight (Kg) | 5.7Kg | 12Kg | 23Kg |
| Package dimension (mm) | 300*280*320 | 400*400*400 | 420*400*560 |
