Description
Introduction of Quarter-turn Valve Intelligent Actuator BJ20-Q3 Series
Quarter-turn Valve Intelligent Actuator BJ20-Q3 delivers precise valve control for industrial automation systems worldwide. Engineers build this actuator around a rugged aluminum alloy housing that resists corrosion effectively. Besides, the compact design saves valuable installation space without sacrificing any performance capability. Its intelligent core packs an absolute encoder, a dot-matrix LCD, and fieldbus communication into one dependable unit. Additionally, the actuator handles local, remote, and automated control with seamless switching across all modes. A rated torque of 200 N.m drives quarter-turn valves at speeds reaching 1 rpm for smooth operation.
Power configurations cover three-phase 380Vac and single-phase 220Vac at standard 50Hz frequency. Consequently, operators deploy this Quarter-turn Valve Intelligent Actuator across demanding industrial sectors. Its protection suite actively guards against torque overload, phase loss, and valve jamming faults. Furthermore, explosion-proof certification achieves Ex db IIB T4 Gb standards for hazardous gas environments. The actuator also complies with Ex tb IIIB T130°C Db certification for combustible dust applications. Meanwhile, dual sealing technology prevents moisture ingress under prolonged submersion conditions. Operating temperatures span from minus thirty to plus seventy degrees Celsius without performance degradation. Insulation class F ensures thermal stability throughout the full operating temperature range.
The actuator conforms to ISO 5211:2017 mounting standards with multiple flange configurations available. Builders seal all internal electronics behind a double-waterproof barrier rated IP67 or optional IP68. As a result, this Quarter-turn Valve Intelligent Actuator operates without interruption through submersion and heavy weather. Moreover, the non-intrusive design eliminates the need to open the housing for commissioning or diagnostics. This feature dramatically reduces installation time and prevents contamination risks in hazardous area deployments. Finally, rigorous factory testing validates every unit before shipment for consistent field-ready reliability.
Quarter-turn Valve Intelligent Actuator BJ20-Q3 Series Parameters
- Power Supply: Three-phase: 380Vac ±10%, 50Hz ±2%; Single-phase: 220Vac ±10%, 50Hz ±2%. Optional power supply: AC220–660V, 50/60Hz (compatible with both three-phase three-wire and three-phase four-wire systems; special power requirements must be specified when ordering) .
- Input Signal: DC4–20mA (for modulating type only); DC24V, AC220V, or passive dry contact .
- Output Signal: 4 field-configurable output contacts, 1 remote indicator output contact, and 1 fault alarm output contact.
- Output Contact Rating: 250Vac/5A .
- Output Current Load Impedance: ≤750Ω.
- Torque Range: 50N.m-5000N.m
- Protection Rating: IP67, IP68 optional.
- Insulation Class: Class F.
- Ambient Temperature: -40℃~70℃.
- Relative Humidity: ≤90% (20±5℃) .
- Duty Cycle: Short-time duty, 15 minutes.
- Lubrication: High-grade grease.
- Installation: Mounting flange complies with ISO5211:2017 (GB/T12223-2023) standard; non-standard flanges can be customized according to user requirements.
- Cable Entry: BJ-Q3 series electric actuator junction box has two M201.5 and one M272 cable entries; waterproof models use cable waterproof connectors, suitable for cables with diameters of 9~14mm (2 pcs) and 13~18mm (1 pc); explosion-proof models require users to configure explosion-proof cable entry devices that meet explosion-proof environment requirements (for other cable entry specifications, please specify when ordering).
Power supply Output Speed (rpm) Rated Torque (N.m) Motor Power (Class F) (W) Rated Current (A) Maximum Valve Stem Diameter(mm) Manual Speed Ratio Weight (kg) Three-phase 0.5 200 70 0.25 32 80 13.4 1 70 0.25 Single-phase 0.5 200 70 0.58 32 80 13.4 1 70 0.58
Fieldbus Cards Card
The bus communication card expands control reach through Modbus, Profibus-DP, HART, DeviceNet, and FF protocols. Engineers integrate this card directly into the actuator control architecture for seamless data exchange. Consequently, plant operators monitor and command the Quarter-turn Valve Intelligent Actuator from any control room location. The dual-channel option supports redundant communication paths for mission-critical applications.
Furthermore, Modbus RS485 implementation handles half-duplex multi-drop networks with proven industrial reliability. Profibus-DPV0 and DPV1 variants accommodate cyclic and acyclic data exchange for comprehensive process integration. In addition, HART protocol overlays digital diagnostics on standard 4-20mA wiring without requiring extra cable runs. DeviceNet connectivity simplifies node management across large-scale distributed control system architectures. Meanwhile, Foundation Fieldbus support links the actuator directly into enterprise-wide asset management platforms. Bus card installation requires no special tools and completes within minutes during initial commissioning. Between these options, the communication architecture adapts to virtually any plant automation strategy. Taken together, these bus options transform the actuator into a fully integrated node within modern digital factories. Real-time data throughput allows predictive maintenance algorithms to detect issues before failures occur. The bus interface transforms this Quarter-turn Valve Intelligent Actuator into a smart field device on any network.
Non-Intrusive Design
Non-intrusive design stands as a cornerstone achievement in the Quarter-turn Valve Intelligent Actuator BJ20-Q3. Field technicians commission and configure every parameter without ever opening the actuator housing. As a result, explosive atmospheres and dusty environments pose zero risk during setup and maintenance procedures. The magnetic key interface penetrates the sealed enclosure through a solid metal wall with perfect isolation.
Consequently, no physical breach of the explosion-proof barrier occurs at any point during the product lifecycle. Furthermore, this approach eliminates the need for hot work permits in hazardous area operations. Technicians simply position the magnetic key over marked touch points on the housing exterior. Meanwhile, the internal sensors detect each command and relay signals to the control processor instantly. This method ensures that ingress protection ratings remain fully intact after years of field service. Beyond safety benefits, the non-intrusive approach dramatically shortens commissioning windows for new installations. Field crews complete parameter setup within minutes instead of hours compared to traditional open-cover methods. Moreover, the sealed design prevents moisture and corrosive gas contamination that degrade internal electronics over time.
LCD Dot Liquid Display
The dot-matrix LCD display presents actuator status through crisp text and intuitive graphic elements. Engineers design this interface to communicate in multiple languages including Chinese and English by default. Consequently, operators across global facilities read valve position, torque output, and fault codes at a glance. Furthermore, the display renders graphical representations of valve opening percentage and real-time torque curves.
Sunlight-readable backlight technology maintains perfect visibility in bright outdoor or dim control room environments. Meanwhile, the display supports animated icons that walk technicians through setup workflows step by step. In addition, fault history logs remain accessible through simple menu navigation without external diagnostic tools. The interface refreshes position and status data in real time with no perceptible delay. Taken together, these display capabilities ensure that operators maintain full situational awareness continuously. Critical alarms flash prominently on screen alongside detailed error codes for rapid troubleshooting response. Touch-sensitive navigation buttons reside beneath the sealed housing surface for reliable all-weather operation. Moreover, the display auto-adjusts contrast to compensate for wide temperature swings from minus thirty to seventy degrees. The display gives operators instant access to every function this Quarter-turn Valve Intelligent Actuator provides.
Product: BD-C6 Intelligent Multi-Turn Electric Valve Actuator
Electric valve actuators enable precise, automated industrial flow control. For this reason, plant operators use them to regulate fluid and gas in key processes. Specifically, this intelligent multi-turn model provides 50–3500 N·m reliable torque, and optional gearboxes further boost output. Besides, it is engineered for gate valves, globe valves and other rising-stem valves, so it runs steadily in harsh sites such as power plants and refineries. Moreover, it connects smoothly to modern control systems via standard industrial protocols, while an electronic display shows real-time valve position and torque. Finally, built to ISO 5210 standards, it allows simple installation.
Overall, this actuator suits oil & gas, water treatment, power generation, chemical, metallurgy, food and marine industries. Since its tough structure resists severe weather, vibration and dust, it lowers maintenance work and unplanned downtime. Additionally, a built-in data logger records runtime, cycles and faults for quick troubleshooting, and on-screen error messages speed up repairs. As a result, it delivers reliable performance and operational transparency in a compact design, combining smart control, solid durability and easy maintenance. In conclusion, it is a reliable automation choice for valves on critical industrial pipelines and processes.