Description
Introduction of Industrial Multi-turn Electric Actuator BD250‑C6
Industrial Multi-turn Electric Actuator BD250‑C6 drives heavy-duty multi-turn valves effectively. Specifically, it provides strong, stable driving force as specially designed for tough tasks. Moreover, it suits tough industrial applications needing consistent reliability. Additionally, it covers a wide torque range to adapt to varied valve sizes and working conditions. Consequently, it meets diverse complex industrial demands seamlessly. A robust aluminum housing and double sealing ensure long-term durability, reaching IP67 to resist dust, moisture and corrosion effectively. Furthermore, standard three-phase power fits global power systems, eliminating tedious power adaptation trouble for users.

This actuator prioritizes safety and convenience in daily operation. First of all, it integrates complete safety protections like overload, overheat and phase loss prevention. These features detect potential risks timely and trigger automatic shutdown to avoid equipment damage and accidents. Besides, ISO5210 flanges ensure universal valve compatibility and quick, hassle-free installation, greatly reducing installation time and labor costs. In addition, multiple control modes—local, remote and ESD emergency shutdown—provide flexible, reliable options for different scenarios.
Excellent structural design and high-quality components ensure steady operation in harsh environments. For instance, it works well in high temperature, high humidity and corrosive areas. Additionally, its long service life significantly reduces maintenance frequency and related costs for users. Furthermore, it is widely used in key industries such as power, petroleum, chemical and metallurgy. As a core component, it boosts fluid control reliability and efficiency, effectively helping enterprises achieve stable and efficient production.
Technical Specifications of Industrial Multi-turn Electric Actuator BD250‑C6
- Power Supply: Three-phase: 380Vac±10% 50Hz±2%;Single-phase: 220Vac±10% 50Hz±2%
- Input Signals: DC4~20mA; Dry contact; DC24V, AC220V pulse and level signals
- Output Signals: DC4~20mA; 4 sets of field-configurable monostable output contacts, 1 set of remote indication monostable output contacts, 1 set of fault alarm monostable output contacts
- Contact Rating: 250Vac/5A or 30Vdc/5A
- Load Impedance: ≤750Ω
- Operating Temperature: -20℃~+60℃Optional: -30℃~+70℃
- Installation: Mounting flange meets JB2920-81 or ISO5210:2001(GB/T12222-2005) standard. Non-standard flanges can be provided per user specifications.
- Cable Entries: 1x M32x1.5 thread, 2x M20x1.5 threads. Cable diameter: 1x 10~22mm and 2x 5~14mm.
- IP Rating: IP66/67, IP68 optional.
- Sealing System: BD/BDM-C6 electric actuators incorporate double-seal technology, substantially improving electrical protection in-tegrity.

| Output Speed (rpm) | 24 | 36 | 48 | 72 | 96 | 144 | Weight (kg) | Case Number | |
| Three-phase | Rated Torque (N.m) | 2500 | 2200 | 1800 | 1500 | 1200 | 1000 | 140 | 6 |
| Motor Power (KW) | 5 | 5 | 7 | 8 | 8 | 8 | |||
| Rated Current (A) | 15 | 15 | 20 | 28 | 28 | 28 | |||
| Locked-Rotor Current (A) | 82.73 | 82.73 | 108 | 141.3 | 141.39 | 141.39 |
What Advantages Does the Dot‑matrix LCD Display?
The BD250‑C6 industrial multi-turn electric actuator integrates a high-resolution dot-matrix LCD display that acts as an intuitive monitoring window for operators. It clearly shows real-time valve position, torque, running status and fault alarms even in harsh industrial lighting conditions. Additionally, it uses large fonts and 1% high resolution to ensure easy on-site reading, supports both Chinese and English menus to cater to global users, and matches bright LED lights to clearly indicate valve open/closed states and flash to remind of running direction or abnormalities, with real-time parameter updates helping improve operation efficiency and reduce misjudgment.

Non‑intrusive Design

The BD250‑C6 industrial multi-turn electric actuator integrates a high-resolution dot-matrix LCD display, which acts as an intuitive monitoring window showing real-time valve position, torque, running status and fault alarms clearly—even in harsh industrial lighting. It also uses large fonts and 1% high resolution for easy on-site reading, supports Chinese and English menus for global users, and matches bright LED lights to indicate valve states and flash for abnormalities. Besides its excellent display function, it adopts an advanced non-intrusive operation design: users set parameters via knobs or infrared programmers without opening covers, while magnetic control and internal Hall sensors ensure stable signal transmission. Its sealed structure keeps dust and humidity away, improving system reliability, extending component service life, simplifying maintenance, and maintaining stable performance in severe environments.
Absolute Encoding Position Sensor

BD250‑C6 uses a high-precision multi-turn absolute encoding sensor, which acts as the core component responsible for the actuator’s precise operation. In particular, non-contact measurement technology effectively eliminates mechanical wear. As a result, this design delivers improved stability and a longer service life. Meanwhile, accurate valve position is fully maintained even after power loss. More importantly, no battery support is required for position retention. Consequently, frequent battery replacement and potential data loss are completely avoided. In addition, steady real-time position feedback is transmitted to the entire control system, allowing the control unit to grasp the valve’s status in a timely manner. Furthermore, automatic stroke self-tuning enables adaptation to different valve types, with parameters adjusting automatically to enhance control accuracy.
At the same time, stable signals prevent signal drift during long-term continuous operation, and its performance remains unaffected even in harsh industrial environments. Overall, this core component guarantees consistent and precise valve control at all times, thereby laying a solid foundation for the stable operation of the actuator.
Related Products of BJ-Q3 Series Partial Rotation Intelligent Electric Actuators
The BJ-Q3 series partial rotation intelligent electric actuator is a core on-site control device in process control systems, and it has a complete range of related products to meet diverse industrial needs. First of all, the BJ-Q3F intelligent split-type electric actuator is a key related product, specifically designed for harsh working environments. In particular, it separates the electrical control components from the actuator body, thereby effectively avoiding damage from harsh on-site factors and at the same time inheriting the convenient operation and stable performance advantages of the standard BJ-Q3 series.

In addition to the split-type model, explosion-proof and waterproof series related products are important supplements. These products adopt enhanced protection designs to adapt to various hazardous and harsh environments, while retaining the reliable protection functions consistent with the standard BJ-Q3 series.
Furthermore, there are related products with extended bus communication functions, tailored for intelligent control needs. They support flexible connection with central control systems, allowing remote monitoring and operation, and can flexibly match the control requirements of different industrial fields.
Finally, supporting accessories and customized related products also form an important part of the product system. These products, including matching brackets and customized components, work with the standard BJ-Q3 series to form a complete solution, covering various industrial application scenarios and providing reliable support for efficient and stable fluid control.




