Description

Introduction of BD180-C8 Multi-turn Basic Type Electric Actuator

Multi-turn Basic Type Electric Actuator BD180-C8 is a professional drive unit designed for heavy-duty industrial valve control. As a core model in the BD-C8 series, it is specially developed to meet the higher torque and longer service life requirements of large multi-turn valves. It inherits all the structural advantages of the series, and further optimizes the transmission system and load-bearing capacity to ensure stable output under long-term operation. At the same time, it uses a high-strength aluminum alloy body with a dual-sealing structure, which can effectively block moisture, dust and corrosive gases. It fully complies with ISO5210 and GB/T 12222 standard flange specifications, and supports non-standard customization to match various valve interfaces and installation environments. In addition, it provides IP67 protection as standard and supports optional IP68 and explosion‑proof configurations. It can operate safely and stably in harsh outdoor, high‑humidity, dusty and even flammable and explosive industrial sites, providing users with a safe, durable and cost‑effective valve control solution.

Performance Parameters of BD180-C8 Multi-turn Basic Type Electric Actuator

• Core Technical Performance Indicators of Basic Type Multi-Turn Electric Actuator BD45-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.

Key Features

BD180-C8, as a typical representative of high-performance multi-turn electric actuators, boasts outstanding performance advantages in industrial applications. Moreover, it is equipped with a reinforced motor and gearbox system, which can provide larger and more stable output torque to drive large gate valves, globe valves and other heavy-duty valves. Meanwhile, it adopts an integrated aluminum alloy shell with double‑sealing design, which greatly improves waterproof, dustproof and anti‑corrosion performance. The standard IP67 and optional IP68 protection levels make it fully adaptable to severe working conditions such as rain, snow, immersion and dust. In addition, it supports explosion‑proof customization with professional certification grades, which can be safely used in petrochemical, coal mine, chemical storage and other hazardous areas. It strictly follows international standard flange dimensions, and can also provide customized interfaces to achieve high compatibility with various valves.

Operating Principle and Working Characteristics

BD180-C8 multi-turn electric actuator relies on a reliable three-phase motor and precision gearbox for energy conversion. Electrical power turns into steady rotating torque, which drives the valve stem to open, close, and adjust position smoothly. Built for industrial valve use, it runs in an intermittent duty mode with up to 60 operating cycles per hour. Continuous operation stays under 15 minutes, and duty cycle remains below 33.3% to protect the motor. This design effectively avoids overheating and mechanical wear, greatly prolonging the service life of the entire device.

This actuator focuses on stable on-off control without proportional regulation. It can provide continuous and reliable torque output during operation, ensuring smooth and accurate valve action. When the valve reaches the limit position or encounters jamming, overload and other abnormalities, the system will immediately cut off the power and stop running. This automatic protection mechanism can effectively protect the valve body and the actuator itself, reduce failure rate and maintenance costs. It runs stably with low noise, and has strong adaptability to power grid fluctuations, making it suitable for long-term continuous use in various industrial scenarios.

Role of Absolute Encoder

Multi-turn Basic Type Electric Actuator BD180-C8 brings stable performance, reliable protection and wide industrial adaptability. Designed for industrial valve control, this model belongs to the BD-C8 series and offers consistent driving force under complex working conditions. In addition, its robust aluminum alloy body features double sealing for enhanced durability. Furthermore, the actuator fully meets ISO5210 and GB/T 12222 standards and accepts custom flanges to match various installation demands. Thanks to optional IP68 protection, it remains reliable even in harsh outdoor and industrial environments, thus offering users a cost-effective valve control solution. In terms of electrical performance, a standard 380Vac three-phase power supply ensures stable operation, with customization available for different power grids. Meanwhile, the unit runs in an intermittent duty mode and supports up to 60 operating cycles per hour. Moreover, continuous working time is limited to 15 minutes to prevent overheating.

The duty cycle stays below 33.3% for safe long-term use. Instead of proportional regulation, it focuses on stable on-off control. Thereby, it generates steady torque to guarantee accurate and reliable valve movement. As for structural features, BD180-C8 uses high-strength aluminum alloy for durability. Besides, the double sealing design brings excellent moisture and dust resistance. Additionally, its compact structure makes installation and maintenance very convenient. Meanwhile, the mounting flange meets JB2920-81 and international standard requirements. Furthermore, custom flange options are also available for special applications. Ultimately, the robust and practical structure ensures long service life in industrial sites.

Our related multi-turn electric actuators support broad industrial valve applications. They fit multiple working conditions and offer strong adaptability in complex sites. In addition, they share the same reliable structure as the BD-C8 series. They use durable aluminum alloy casings with effective double sealing. Furthermore, they follow ISO5210 and GB/T 2222 standards for universal fitting. They accept custom flanges to meet various installation requirements. With optional IP68 protection, they stay stable in harsh outdoor environments. They bring users practical and cost-effective valve driving solutions.

These products run on standard 380Vac three-phase power for steady operation. Users can also customize power settings to match different grid systems. Meanwhile, they apply intermittent duty mode for safe and long-lasting use. They support up to 60 operating cycles per hour with reasonable duty control. Continuous working time stays within 15 minutes to avoid overheating. They focus on stable on-off control instead of proportional regulation. They provide consistent torque to ensure accurate and smooth valve movement. Solid structural design ensures strong durability in daily operation. High-strength aluminum alloy material offers excellent resistance to impact and corrosion. Double sealing structure effectively blocks moisture and dust in harsh environments. Compact overall layout simplifies on-site installation and daily maintenance. Standard flanges comply with JB2920-81 and international specifications. Custom flange options remain available for special project demands. All these designs extend service life and reduce failure risks in industrial sites.