The EFM1/A/B quarter turn actuator models are for small diameter valves such as ball valve, butterfly valve etc. This model offers 35Nm, 50Nm and 80Nm selection. Available voltage 100~240VAC 50/60Hz and 24V AC and DC.
Available certifiate include CE / LR marine approval / CSA
This small torque range quarter turn actuator is also available for explosion proof of ATEX / CSA / 3C.
Quarter Turn Actuator Feature
- Compact and robust construction, light weight providing high output torque (Max 9000Nm).
- Quarter turn actuator wide range of torque variation (From min 100Nm to max 9000Nm).
- Hard anodized aluminum housing inside and outside with external powder coated
against severe industrial environment.
- Enclosure using radial seals & O-rings that provide protection to waterproof IP67
(Nema 4 & 6) and quarter turn actuator optional watertight IP68
- Mounting base according to ISO5211 standard.
- Removable drive bushing for easy machining and mounting.
- Self-locking provided by double worm gearing (no brake required).
- Auto-declutching manual override handwheel with padlockable auto / manual switchable lever.
- Reliable Mechanical Torque sensing system providing safe operation in overload condition.
- Large size window and indicator provides better position indication from a distance.
- Various Local position control options providing easy commissioning and operation in field.
- quarter turn actuator with digitalized control component
FAQ
Q: Can we visit your factory before placing orders?
A: Yes, sure. Welcome to visit our factory at any time.
Q: How long is your delivery time?
A: 5 days in stock. 15 days if the goods are not in stock.
Q: Do you provide quarter turn actuator samples? Is it free?
A: Yes, we could offer the sample with favorable price. The amount will be return after bulk order.
Q: Do you provide related quarter turn actuator accessories?
A: Yes, we can provide solenoid valve, locator, air filter regulator, limit switch and so on.
| STANDARD SPECIFICATION | EFM1 quarter turn actuator | EFMA | EFM1-H quarter turn actuator | EFMA-H | EFMB-H |
| Max torque (Nm) | 35 | 50 | 35 | 50 | 80 |
| Max torque (lbf.in) | 310 | 443 | 310 | 443 | 708 |
Travel time (seconds) 110V / 220V / 380VAC @50Hz | 11 | 15 | 11 | 15 | 22 |
Travel time (seconds) 110V / 220V / 380VAC @60Hz | 9 | 13 | 9 | 13 | 19 |
Travel time (seconds) 24V AC/DC | 8 | 10 | 8 | 10 | 15 |
| Voltage | 1phase AC 100 / 110 / 120 / 200 / 220 / 230 / 240V ±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 | By manual wrench or, by handwheel (H) |
| 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 ( 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) |
| Anti corrosion | C3 / C5 coating |
| ISO5211 Mounting |
| Available flange size | F03 / F05 / F07 |
| Standard double flange size | F03+F05+F07 ( With 17mm SQ valve stem only F05+F07 available) |
| Output shaft size | 11mm / 14mm / 17mm |
| Out put shaft type | Double square ( star shape) for square valve stem |
| Max. stem height | 20mm |
| quarter turn valve actuator Dimension size (mm) |
| A* ON-OFF type | 165 | 192 |
| A* Modulating type | 185 | 212 |
| B | 150 |
| C * ON-OFF typye | 82 | 135 |
| C * Modulating typye | 82 | 135 |
| D * ON-OFF typye | 118 | 170 |
| D * Modulating typye | 118 | 170 |
| G | 11mm / 14mm / 17mm | 11mm / 14mm / 17mm |
| H | 20 |
| φI | 36 / 50 / 70 |
| J | 4-M5 / 4-M6 4-M8 |
| Weight (Kg) ON-OFF | 3 | 3.6 |
| Weight (Kg) Modulating | 3.2 | 3.8 |
| Package dimension (mm) | 200 * 240 *240 |
| Related Product |
| Integration type | Open / Close / Stop lamp indicator, local knob switches (1 x Local/Remote/Lock) (1 x Open / Close) |
| 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 |

