Skip to content Skip to footer

Multi-turn Basic-type Electric Actuator BD05-C8

  • Power Supply: Three-phase: 380Vac±10%, 50Hz±2% (three-phase three-wire system, TN-C); Single-phase: 220Vac±10%, 50Hz±2%; Special power (AC220~660V, 50/60Hz): Available on request (specify when ordering)
  • Input Signal: No proportional control function; Only for on-off control scenarios (no DC4~20mA input); Supports DC24V, AC220V or dry contact (passive) signals
  • Output Signal: 2 groups of limit contacts (open/close direction); 2 groups of over-torque contacts; 1 set of opening indicator signal (optional 4~20mA); 1 set of fault alert output contacts
  • Output Contact Rating: 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: -30℃~+70℃; Optional range (-40°C to +60°C): Available on request
  • Relative Humidity: ≤90% (at 20±5℃)
  • Duty Cycle: Intermittent operation; Continuous working time ≤15 minutes; Working frequency ≤60 times/hour; Duty cycle of working time ≤33.3%
  • Lubrication: Advanced grease (suitable for working temperature range corresponding to the actuator’s ambient temperature adaptability)

Description

Introduction of Multi-turn Basic-type Electric Actuator BD05-C8

Electric Actuator of Multi-Turn Basic Series BD-C8
Electric Actuator of Multi-Turn Basic Series BD-C8

The Multi-turn Basic-type Electric Actuator BD05-C8 delivers dependable torque for valve automation across industrial pipeline networks. Engineers select this model for its rugged mechanical architecture and consistent output. Furthermore, the unit handles multi-turn rotation with remarkable precision, ensuring accurate valve positioning during every cycle. Its sealed housing protects internal mechanisms from dust, moisture, and vibration in harsh plant environments. As a result, the device maintains operational stability even under continuous daily workloads. Notably, the design team prioritized field longevity over unnecessary complexity throughout the development process.

Additionally, the compact frame fits within tight spatial constraints commonly found in retrofit projects. Operators reach key components through a logically arranged interior, which streamlines both inspection and servicing. Moreover, the precision gear train transfers rotational power with minimal energy loss, keeping operating costs low. A high-efficiency motor sustains stable torque across varying loads, preventing stall conditions under peak demand. Consequently, technicians spend less time troubleshooting and more time on productive maintenance tasks. Meanwhile, the thermal protection system guards against overheating during prolonged operation cycles. This safeguard extends component lifespan and reduces unexpected downtime events significantly.

Beyond mechanical excellence, the control architecture supports local pushbutton operation alongside remote signal integration. In particular, a manual handwheel override enables emergency intervention without requiring electrical power. Plant supervisors therefore gain confidence in both routine automation and unexpected shutdown scenarios. Meanwhile, integrated limit switches automatically halt movement at preset positions, protecting connected valves from overtravel damage. Overall, the Multi-turn Basic-type Electric Actuator BD05-C8 combines straightforward engineering with practical reliability. This balance makes it a strong choice for water treatment plants, oil distribution hubs, and chemical processing facilities. Ultimately, end users receive a workhorse device that performs consistently across diverse industrial settings.

Parameters of Multi-turn Basic-type Electric Actuator BD05-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) 
  • Insulation Grade: Not specified in the document
  • 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)16/122436487296Weight(Kg)
Rated Totque(N.m)

 

Single Phase45352521
Three Phases50503535353521
Motor Power(KW)

 

Single Phase0.200.250.2521
Three Phases0.080.080.080.220.220.28*21
Capacitance(μF)Single Phase14202021
Stick current (A)

 

Single Phase3.13.23.221
Three Phases1.741.741.744.254.256.521
Rated current (A)

 

Single Phase1.21.461.46 21
Three Phases0.330.330.33111.2721

FiledBus Card

Fieldbus Cards
Fieldbus Cards

The integrated bus card streamlines communication between the actuator and central control systems. Specifically, this module translates operational commands into precise motor actions with minimal latency. Engineers configure the card through a standard interface, which eliminates the need for proprietary software. Furthermore, the board supports multiple industrial protocols, allowing seamless integration into existing automation networks.

Moreover, diagnostic LEDs on the card surface provide instant visual feedback on connection status. Technicians read these indicators without opening the enclosure, saving valuable time during field inspections. Additionally, the Multi-turn Basic-type Electric Actuator BD05-C8 uses this bus card to report position data to control rooms. Consequently, operators monitor valve status from a centralized workstation, reducing the need for physical site visits. In turn, this capability lowers labor costs and improves overall response speed during abnormal events. Beyond monitoring, the card also stores fault logs for later analysis. This feature helps maintenance teams identify recurring issues before they escalate into major failures. Ultimately, the bus card transforms the actuator from a standalone device into a connected network node.

LCD Dot Liquid Display

The LCD dot matrix display serves as the primary visual interface between the actuator and its operator. Crisp pixel arrays present operational data with exceptional clarity, even under direct sunlight. Specifically, the screen rotates information through intuitive menu layers, guiding users step by step. Additionally, backlit illumination ensures readability in low-light conditions common during night shift operations.

LCD Display
LCD Display

Moreover, the display simultaneously presents torque values, position feedback, and diagnostic codes on a single screen. This consolidated layout eliminates the need for separate monitoring instruments. Consequently, technicians diagnose issues faster and with greater accuracy than conventional setups allow. Furthermore, the Multi-turn Basic-type Electric Actuator BD05-C8 pushes real-time alerts directly to the display surface. Operators therefore notice anomalies immediately, long before they develop into critical failures. Meanwhile, menu navigation requires only four buttons, keeping the learning curve minimal for new personnel. In short, the LCD interface transforms complex actuator data into accessible, actionable information. Beyond status monitoring, the screen also logs historical performance trends for reference. Supervisors review these records during scheduled inspections to evaluate long-term actuator health. Ultimately, this visual system empowers users with transparency at every operational stage.

Application Scenarios

The Multi-turn Basic-type Electric Actuator BD05-C8 excels across a wide spectrum of industrial deployment scenarios. In water treatment facilities, it drives gate valves that regulate flow through filtration basins. Operators value the consistent torque delivery, which prevents valve seat damage during closing cycles. Moreover, the actuator’s weatherproof construction withstands constant moisture exposure without performance degradation.

Field Application of Split-Type Actuators
Field Application of Split-Type Actuators

Furthermore, oil distribution terminals deploy this model on storage tank inlet valves. The precise positioning capability ensures accurate fill levels, preventing costly overflow incidents. Meanwhile, chemical processing plants rely on the unit for reactor feed control. In these environments, the non-intrusive configuration interface proves especially valuable, since opening enclosures risks exposure to hazardous fumes. Additionally, the Multi-turn Basic-type Electric Actuator BD05-C8 adapts to power plant cooling water systems. Its thermal protection handles the elevated ambient temperatures typical of boiler house installations. Consequently, facility managers across multiple industries trust this versatile actuator for critical flow control duties. Beyond these core sectors, the unit also serves municipal gas pipeline stations. Its multi-turn capacity handles the long stem travel of buried gate valves effectively. Ultimately, the device proves its worth wherever reliable multi-turn valve operation matters most.

Related product: Multi-turn intelligent electric actuators BD-C6

ISO5210 Multi-turn Electric Actuators BD150-C6
ISO5210 Multi-turn Electric Actuators BD150-C6

Multi-turn intelligent electric actuators play a vital role in modern industrial valve automation. Operators rely on these devices to control gate valves, globe valves, and other multi-turn equipment across diverse plant networks. Specifically, the BD-C6 series delivers precise rotational power for demanding flow control applications. Furthermore, its intelligent control system integrates seamlessly with both local and remote operation modes. Consequently, plant managers achieve consistent valve positioning without manual intervention. The actuator handles torque outputs from 50 to 3500 Newton-meters, covering a wide performance range. Moreover, the compact housing fits into retrofitted pipeline stations where space remains tight.

Additionally, the BD-C6 features a high-resolution LCD display that shows real-time valve status and torque values. Operators read this information instantly, reducing diagnostic time during field inspections. Furthermore, the non-intrusive magnetic switch design preserves the enclosure seal throughout every configuration change. This approach protects internal electronics from moisture, dust, and corrosive atmospheres. Moreover, the built-in absolute encoder tracks valve position with exceptional accuracy, eliminating the need for re-calibration after power interruptions. In addition, advanced thermal protection guards the motor against overheating during continuous operation cycles. As a result, maintenance teams spend fewer hours on troubleshooting and emergency repairs.

Overall, the BD-C6 intelligent actuator suits water treatment plants, oil distribution hubs, and chemical processing facilities with equal effectiveness. Its dual-cavity sealed housing withstands harsh outdoor environments season after season. Therefore, facility supervisors trust this device for both routine automation and emergency shutdown scenarios. Meanwhile, the manual handwheel override ensures operators maintain control during power failures. Ultimately, this actuator balances intelligent functionality with mechanical reliability in one practical package. To sum up, the BD-C6 series represents a dependable choice for multi-turn valve automation across countless industrial settings.