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UNID's actuator platform provides functions for high-frequency operation and emergency valve positioning. The current official documentation incorporates these capabilities into the broader electric-actuator range, particularly the BLDC-based smart and fast families, with battery-type failsafe and backup-power modules available according to actuator configuration.
High-duty actuator designs use brushless DC motors to support repeated operation with reduced motor heating. UNID's fast family is specifically identified as a 100% duty-cycle range, while smart actuators provide 75% duty-cycle modulating service and 30% duty-cycle ON-OFF operation. These configurations are intended for applications where normal intermittent-duty actuators may not provide sufficient operating frequency.
UNID describes its failsafe function as a battery-type emergency system. When power fails, the actuator operates the valve toward the position previously specified for the application. The official documentation describes the battery system as requiring charging before first use and identifies an additional limit-switch arrangement for the failsafe configuration.
The backup-power option is related to failsafe operation but provides user-controlled emergency positioning. UNID explains that after power failure the end user can operate the valve to the desired position instead of relying solely on a factory-preset failsafe position.
UNID's actuator documentation specifies IP67 protection for many standard nylon-housing configurations, with IP68 aluminum housing available on applicable products. A heater can be added to raise the internal actuator temperature, reduce condensation and protect against moisture or frozen lubricant. UNID recommends not installing the heater when the ambient temperature is above 35°C/95°F.
| Feature | Specification |
|---|---|
| Function group | Frequent-working and failsafe actuator options |
| High-duty technology | BLDC motor on applicable fast/smart/linear families |
| Fast family duty cycle | 100% |
| Smart family duty cycle | 30% ON-OFF; 75% Modulating |
| Failsafe type | Battery |
| Failsafe action | moves valve to a previously specified position on power failure |
| Backup power | battery-based emergency operation allowing user-selected valve positioning |
| Dry contact | voltage-free valve status feedback, open/close contact |
| Heater | internal warming/drying function with thermal protection; actuator supply voltage required |
| Heater recommendation | not recommended above 35°C/95°F |
| Housing option | aluminum, IP68 |
| Standard housing on applicable families | nylon, IP67 |
| Communication option | RS-485 / Modbus-ASCII |
| Accessories | connector/bracket and bushing |
| Applicable actuator types | fast, smart and linear families depending required function |
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