Description

Introduction of Non-Intrusive Multi-turn Electric Actuators BD100-C6

Non-Intrusive Multi-turn Electric Actuators BD100-C6 are high-torque, high-protection and high-intelligence valve control devices designed for large-scale, heavy-duty and high-demand industrial applications. They take non-intrusive operation as the core design advantage, combine high-strength structure and high-stability transmission system, and can provide strong and long-lasting torque output for large-diameter and high-load multi-turn valves, meeting the driving needs of heavy-duty working conditions. These actuators do not need to open the cover for debugging and setting, which greatly improves the convenience and safety of use, and reduces the risk of internal component damage caused by on-site operation.  They adopt an integrated modular design, with reasonable internal layout, high structural strength, strong seismic and compression resistance, and can maintain long-term stable operation in harsh industrial environments. They support a variety of intelligent control and communication modes, can be seamlessly connected with the upper control system, and realize remote monitoring, automatic adjustment and fault feedback. Non-Intrusive Multi-turn Electric Actuators BD100-C6 have complete protection functions and high positioning accuracy, which can effectively avoid valve jamming, over-travel, overload and other faults. They are especially suitable for large industrial systems such as petrochemical, electric power, metallurgy, and mining, and provide efficient, safe and reliable execution support for key pipeline valve control.

Core Technical Specifications of Non-Intrusive Multi-turn Electric Actuators BD100-C6

• Temperature Range: -20℃～+60℃
• Optional: -30℃～+70℃
• Power Requirements: Three-phase: 380Vac±10% 50Hz±2%;
• Single-phase: 220Vac±10% 50Hz±2%
• Note: a. Optional motor voltages: three-phase 400 Vac, 415 Vac, 440 Vac and single-phase 110 Vac, 115 Vac, 208 Vac, 230 Vac. Both 50Hz and 60Hz frequencies available. Please state during ordering if needed;
• b. Standard motor wiring: three-phase three-wire. For three-phase four-wire system, please specify;
• c. Should voltage or frequency fluctuations exceed above ranges, or if operation with significant voltage drop is necessary, please indicate when ordering.
• Input Signal Options: DC4～20mA; Dry contact; DC24V, AC220V pulse and level signals
• Note: DC0～20mA; DC0～10mA; DC1～5V; DC0～5V; DC0～10V; Profibus-DP; Modbus; Hart; Devicenet; FF fieldbus or other control signals. Please specify requirements during order placement.
• Output Signal Options: 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
• Note: For different analog feedback signals, expanded contact feedback, or 4 sets of field-configurable bistable output contacts, please specify during ordering.
• Contact Capacity: 250Vac/5A or 30Vdc/5A
• Load Impedance: ≤750Ω

	Output Speed (rpm)	16	24	36	48	72	96	144	Weight (kg)	Case Number
Single-phase	Rated Torque (N.m)	500	600	400	300	200			66	4
	Motor Power (KW)	1.1	1.8	1.8	1.8	1.8
	Capacitance (μF)	60	80	80	80	80
	Rated Current (A)	3.5	12.6	12.6	12.6	12.6
	Output Speed (rpm)	12	24	36	48	72	96	144	Weight (kg)	Case Number
Three-phase	Rated Torque (N.m)	1050	1050	900	850	750	650	500	66	5
	Motor Power (KW)	1.3	2	2	2.9	4.3	4.3	4.3
	Rated Current (A)	3.65	6	6	8.76	12.52	12.52	12.52
	Locked-Rotor Current (A)	21.5	32.58	32.58	47.44	70.97	70.97	70.97

Travel Control Mechanism

Furthermore, Non-Intrusive Multi-turn Electric Actuators BD100-C6 adopt high-precision, high-stability and high-safety travel control mechanisms to realize accurate limit and reliable control of valve strokes. These mechanisms combine high-precision mechanical transmission and reliable electrical limit dual protection, which can accurately set and lock the valve opening and closing positions, and effectively prevent over-travel damage to valves and actuators. They have extremely high position repeatability, and can still maintain stable and consistent positioning accuracy after long-term frequent operation, ensuring the stability of process control. In addition, the travel control mechanisms support on-site flexible adjustment, can adapt to different valve specifications, stroke ranges and control requirements, and have strong versatility. Their robust design also accommodates variations in valve wear over time, further extending the service life of the entire actuation system. Meanwhile, these mechanisms run smoothly with small return difference and fast response speed, enabling them to quickly and accurately execute control commands even under demanding operating conditions. At the same time, they integrate comprehensive travel monitoring and fault feedback functions, which can send abnormal signals in time when the stroke deviates from normal parameters, and cooperate with the upper control system to implement protective actions such as emergency stop or alarm triggering. This intelligent feedback loop minimizes the risk of unplanned downtime and equipment damage. Overall, these travel control mechanisms are important guarantees for the stable and reliable operation of Non-Intrusive Multi-turn Electric Actuators, making them well-suited for critical applications where precision and safety are paramount.

Application Scenarios

 

In addition, Non-Intrusive Multi-turn Electric Actuators BD100-C6 have extremely wide and demanding application scenarios, and are specially designed for large-scale, long-period and high-reliability industrial control occasions. These actuators are suitable for large-diameter valve control in petroleum refining, chemical engineering, fine chemical and other industries, undertaking important pipeline execution tasks. For boiler systems, water intake and drainage systems, and steam systems in thermal power plants and hydropower plants, they provide stable and powerful drive. In metallurgical engineering, mining engineering, large-scale municipal water supply and other projects, these actuators run reliably, adapting to harsh environments such as high dust, high humidity and strong vibration. Furthermore, they perform exceptionally well in offshore platforms and shipbuilding industries, where salt spray corrosion and extreme weather conditions demand superior sealing and anti-corrosion capabilities from all equipment.  Long-distance pipeline transmission, storage and transportation equipment, and other occasions requiring large torque and high stability can also benefit from their application, matching large multi-turn valves such as gate valves, globe valves and butterfly valves. With strong environmental adaptability and long service life, this product can significantly reduce the frequency of maintenance and replacement, thereby lowering the overall operating cost of the system. In addition, its non-intrusive design eliminates the need for cover opening during commissioning, which not only enhances on-site safety but also minimizes downtime during initial setup and routine inspections. As a result, Non-Intrusive Multi-turn Electric Actuators BD100-C6 are ideal choices for large industrial sites and key control equipment where reliability, maintainability and total cost of ownership are critical considerations.

Fieldbus Card

Moreover, Non-Intrusive Multi-turn Electric Actuators BD100-C6 support optional high-performance fieldbus cards for efficient digital communication and intelligent system management. The modular plug-in design of these cards makes installation, replacement and maintenance easy. They support multiple common industrial protocols, offer high compatibility and anti-interference capability, and connect seamlessly with DCS, PLC and other control systems. With these cards, the actuators enable remote data acquisition, parameter transfer, remote control and fault feedback, significantly improving automation and intelligence. The cards also reduce wiring complexity and cable costs by transmitting multiple signals simultaneously, resulting in a more concise and standardized system layout. Additionally, they operate stably in complex electromagnetic environments, ensuring accurate and real-time communication, thus providing a solid foundation for the digital transformation of Non-Intrusive Multi-turn Electric Actuators.

Related Product : BD/BDM-C8 Multi-Turn Intelligent Electric Actuator

BD/BDM‑C8 series are high‑performance multi‑turn intelligent electric actuators for industrial valves. They cover a wide torque range to meet diverse application needs. Besides, they use lifetime lubrication and need no regular refueling. Furthermore, non‑invasive design supports quick and safe on‑site setup. Meanwhile, dual‑seal structure brings excellent dust and water resistance. In addition, advanced components ensure high accuracy and operational safety. Multi‑turn absolute sensors keep correct valve position after power failure. Moreover, continuous torque monitoring protects valves from damage effectively. Besides, full protections cover overload, overheat, phase loss and valve jam. Furthermore, a safe handwheel supports reliable emergency manual operation. Thanks to flexible design, it adapts to various installation environments. Split‑type structure works well in high‑temperature and strong‑vibration sites. Moreover, it supports local, remote and multiple fieldbus control. Besides, Bluetooth, data log and self‑diagnosis enable intelligent management. Furthermore, it is widely used for gate valves, globe valves and multi‑turn devices.