Description
Introduction of Multi-Turn Series Basic Electric Actuator BD10-C8
Multi-Turn Series Basic Electric Actuator delivers reliable rotary motion control for industrial pipeline systems. This unit supports a wide range of valve types, including gate valves, globe valves, and butterfly valves. Operators can count on consistent torque output across demanding environments. Moreover, the compact housing simplifies installation in constrained spaces. The actuator integrates motor, gearbox, and control electronics into one unified assembly. Consequently, users reduce both component count and maintenance overhead significantly.
Furthermore, engineers designed this actuator with broad power supply compatibility. It accepts 380V three-phase AC input, accommodating standard industrial grid conditions. Additionally, the thermal protection circuit monitors motor temperature continuously. In the event that temperature exceeds the rated threshold, the protection circuit cuts power automatically. This safeguard extends motor lifespan and prevents unplanned shutdowns. Together with the integrated limit switch, the actuator achieves precise open/close positioning every cycle. As a result, process engineers gain dependable valve control without extensive manual oversight.
Beyond basic on/off control, this Multi-Turn Series Basic Electric Actuator also supports modulating operation in select configurations. Specifically, the modulating variant accepts a 4–20 mA analog input signal. Accordingly, the actuator proportionally adjusts valve position to match the control signal. Meanwhile, the local control panel provides manual override capability for commissioning and maintenance. Notably, the housing meets IP67 ingress protection, ensuring operation in wet or dusty environments. In short, this unit combines robust mechanical construction with practical electrical features. Taken together, these attributes make it a practical choice for water treatment, HVAC, and energy system applications.
Parameters of Multi-Turn Series Basic Electric Actuator BD10-C8
- Power Supply: Three-phase: 380Vac±10%, 50Hz±2% ; Single-phase: Corresponding parameters per Table 3-1; Special power: Specify when ordering
- Input Signal: No proportional control function; For on-off control scenarios only
- Output Signal: 2 groups of limit contacts (open/close direction); 2 groups of over-torque contacts; Opening indicator signal (optional 4~20mA)
- Output Contact Capacity: 250Vac/5A (both limit and over-torque contacts)
- Output Current Load Impedance: ≤750Ω (for optional 4~20mA position feedback)
- Protection Level: IP67 (standard); IP68 (optional)
- Ambient Temperature Range: -30℃～+70℃
- Operation Mode: Intermittent duty; Working frequency ≤60 times/hour; Continuous working time ≤15 minutes; Duty cycle ≤33.3%
- Lubrication: Advanced grease
- Installation: Mounting flange conforms to JB2920-81 or ISO5210:2017 (GB/T12222-2023); Custom non-standard flanges available per client specifications
- Cable Connection: Junction box has 3 threaded holes with plugs; 1×M27x2, 2×M20x1.5 (BD05 model);
- Cable diameter: 13-18mm (1 pc), 9-14mm (2 pcs); Explosion-proof variants require explosion-proof cable entry devices.
| Speed (rpm) | 16/12 | 24 | 36 | 48 | 72 | Weight(Kg) | |
| Rated Totque(N.m)
| Single Phase | 90 | 70 | 45 | 30 | 21 | |
| Three Phases | 110 | 110 | 110 | 85** | 50 | 21 | |
| Motor Power(KW)
| Single Phase | 0.20 | 0.25 | 0.25 | 0.25 | 21 | |
| Three Phases | 0.22 | 0.22 | 0.22 | 0.28* | 0.28* | 21 | |
| Capacitance(μF) | Single Phase | 14 | 20 | 20 | 20 | 21 | |
| Stick current (A)
| Single Phase | 3.1 | 3.2 | 3.2 | 3.2 | 21 | |
| Three Phases | 4.25 | 4.25 | 4.25 | 6.5 | 6.5 | 21 | |
| Rated current (A)
| Single Phase | 1.2 | 1.46 | 1.46 | 1.46 | 21 | |
| Three Phases | 1 | 1 | 1 | 1.27 | 1.27 | 21 | |
Fieldbus Card
The bus card module expands the Multi-Turn Series Basic Electric Actuator’s communication capability significantly. Engineers integrate this card directly onto the main control board. As a result, the actuator connects to PROFIBUS, MODBUS RTU, or DEVICENET networks without external converters. Additionally, the card supports full-duplex data exchange at speeds up to 1.5 Mbps. Consequently, the control system receives real-time valve position feedback with minimal latency. Furthermore, each bus card carries onboard diagnostic registers that log communication faults automatically. Operators can retrieve these logs through the network interface or the local display. In turn, maintenance teams identify intermittent connection issues before they cause operational disruptions. Notably, the bus card draws power directly from the actuator’s internal 24V DC rail. This arrangement eliminates the need for a separate power supply cable. Moreover, the card uses conformal coating to resist moisture and vibration. Taken together, these design choices ensure reliable fieldbus performance across years of continuous service. The Multi-Turn Series Basic Electric Actuator therefore delivers seamless digital integration into modern DCS and SCADA architectures.
LCD Dot Liquid Display
The LCD dot liquid display provides clear operational status information for the Multi-Turn Series Basic Electric Actuator at a glance. This backlit panel shows valve position, torque percentage, power supply status, and fault codes simultaneously. Consequently, technicians diagnose issues on-site without connecting a laptop or handheld programmer. Furthermore, the display rotates 90° in four orientations, accommodating actuators mounted in any position. Notably, the menu system uses plain text prompts rather than numeric codes. As a result, operators set parameters quickly during initial commissioning. Additionally, the panel includes three illuminated pushbuttons for open, close, and stop commands. These buttons allow local manual control without opening the main housing. In the meantime, the screen updates position data at a 100 ms refresh rate, reflecting valve movement in near real time. Moreover, the LCD panel operates reliably across a temperature range of –25 °C to +70 °C. This range covers most outdoor industrial environments. In short, the display transforms the Multi-Turn Series Basic Electric Actuator into a self-diagnosing field device.
Application Scenarios
The Multi-Turn Series Basic Electric Actuator serves a broad spectrum of industrial application scenarios across multiple sectors. In water treatment plants, the actuator controls influent and effluent gate valves with repeatable positioning accuracy. Furthermore, in heating and cooling distribution systems, it regulates flow through large-diameter globe valves precisely. Specifically, power generation facilities deploy this actuator on feedwater isolation valves where reliable operation is non-negotiable. Additionally, oil and gas processing plants use it to manage pipeline ball valves under high-cycle duty. In each case, the actuator’s IP67 rating ensures performance despite frequent washdowns or heavy rainfall exposure. Moreover, chemical processing engineers select this unit because the materials resist corrosive atmospheric conditions effectively. Consequently, the actuator performs in coastal refineries and inland chemical parks alike. Building on this versatility, the actuator also fits HVAC system damper drives in large commercial buildings. In turn, building automation systems integrate it through the standard Modbus RTU interface. Overall, the Multi-Turn Series Basic Electric Actuator addresses flow control challenges across water, energy, and process industries reliably.
Related Product: BJ-Q3 Part-Turn Intelligent Electric Actuator
Electric actuators control valve movement in modern industrial systems. The BJ-Q3 part-turn series handles a wide torque range from 50 N.m to 5000 N.m. Additionally, workers install it easily in power plants, oil refineries, and water treatment facilities. Its cast aluminum housing creates a compact and lightweight package. Furthermore, this design resists harsh weather and demanding field conditions. Operators read its LCD display quickly during routine checks. As a result, commissioning and troubleshooting take less time on site.
Moreover, the built-in microprocessor delivers precise positioning and reliable torque protection. Users switch freely between local manual control and remote automatic modes. In addition, the unit supports Modbus, Profibus-DP, HART, and other bus protocols. This opens flexible integration paths into distributed control systems. Furthermore, the actuator meets explosion-proof standards for hazardous zone operations. Its IP67-rated sealing keeps dust and moisture safely outside the enclosure. Consequently, maintenance teams face fewer unexpected breakdowns over the product lifespan.
Overall, the BJ-Q3 fits demanding tasks across chemical, metallurgical, and food processing industries. Its ISO 5211 mounting flange simplifies direct valve attachment without extra adapters. Therefore, engineers reduce installation time and lower total project cost. The onboard self-diagnostics alert operators before minor issues become serious faults. Ultimately, this actuator delivers steady torque output and dependable automation where it matters most.