Description

Introduction of Electric Intelligent Actuator BJ10-Q3

The BJ10-Q3 electric intelligent actuator is a core control device for modern process automation. Developed by actuator specialist Bonray, it suits quarter-turn equipment like ball valves, butterfly valves and dampers. It integrates intelligent digital control with robust mechanical reliability. Besides, it delivers stable and low-intervention performance in water treatment, refinery and chemical industrial scenarios.

This actuator adopts a battery-free high-resolution absolute encoder for position tracking. It retains accurate valve position during power failures and resumes work without re-homing. Meanwhile, the built-in dot-matrix LCD displays real-time status, torque data and fault diagnostics for easy checking. Notably, it supports fully non-intrusive setup via sealed knobs or remote programmers. This sealed design completely maintains the equipment’s IP65/IP68 protection integrity.

Featuring a versatile five-mode control architecture, the device supports remote on/off switching, 4–20mA analog modulation and ESD emergency shutdown. It also realizes seamless integration with PLC and SCADA systems via mainstream fieldbus protocols. In addition, the lightweight aluminum alloy housing simplifies field installation. Compliant with ISO 5211 standards, it fits most mainstream valve products. Its dual-seal structure adapts to harsh environments, with an optional ultra-low temperature resistance down to -60°C for extreme working conditions.

Non-Intrusive Setup and Calibration Design

Notably, the BJ05-Q3 features a practical non-intrusive operation design. Thus, it greatly optimizes on-site commissioning and daily maintenance work. Specifically, users adjust parameters and calibrate signals via sealed external knobs. Meanwhile, a dedicated remote programmer also supports diagnostic checks. Ultimately, all work proceeds without opening the actuator enclosure.

Firstly, sealed operation fully preserves IP65/IP68 protection levels. Furthermore, it blocks moisture ingress and industrial dust contamination. In turn, this design prevents poor resealing after routine maintenance. Accordingly, the actuator delivers stable performance in harsh industrial environments. Moreover, it boasts strong long-term environmental adaptability.

Absolute Encoder with Power-Loss Memory

Instead of traditional parts, a high-precision absolute encoder replaces old potentiometer systems. Fundamentally, it serves as the core sensing unit for valve position detection. Precisely, the component reads valve shaft angles directly and accurately. Thereby, it achieves high-resolution and real-time position tracking.

Additionally, the encoder owns reliable independent power-loss memory. Specifically, it stores precise valve positions during sudden power outages. Hence, no backup batteries are required for position retention. Immediately, devices resume work instantly after power recovery. Consequently, manual recalibration and re-homing become unnecessary. Meanwhile, this structure reduces mechanical wear and operational errors. Finally, it eliminates hidden safety risks from position misalignment.

Multi-Language Dot-Matrix LCD Display System

Furthermore, a high-clarity LCD optimizes human-machine interaction experience. It clearly displays key real-time actuator operating data. Specifically, screen contents cover valve position and torque limit values. Besides, it also shows running status and fault alarm information.

Widely, the screen supports English, Chinese and Russian languages. Thus, it fully meets the needs of global engineering projects. Simply, intuitive graphical icons simplify status judgment work. Easily, operators read data clearly in dim or noisy environments. Thereby, stable visual output guarantees reliable on-site monitoring.

Applications & Use Cases

The BJ10-Q3 electric intelligent actuator finds its place wherever quarter-turn valve automation demands reliability, precision, and remote intelligence without the complexity of pneumatic or hydraulic infrastructure.

Water & Wastewater Treatment Plants — Automate filter backwash sequences, chemical dosing valves, and distribution manifold isolation. The 4–20 mA modulating control allows precise flow regulation for coagulant and chlorine injection, while the IP68 option handles occasional submersion in valve pits and pump stations.

Oil & Gas and Petrochemical — The ATEX-compatible architecture (explosion-proof variants available; consult factory) and fieldbus integration make the BJ10-Q3 electric intelligent actuator a natural fit for tank farm valve automation, pipeline pigging launcher/receiver isolation, and refinery process control where manual valve operation is hazardous or impractical.

Power Generation — Cycle cooling water butterfly valves, steam bypass dampers, and fuel oil supply lines with confidence. The automatic phase-sequence correction prevents wiring errors during plant commissioning, and ESD mode provides fail-safe valve closure triggered by fire or gas detection systems.

HVAC & District Heating — Control large-diameter butterfly valves in chiller plants, district heating networks, and cooling tower bypass circuits. The modulating control loop integrated with Building Management Systems (BMS) enables energy-optimized flow regulation without additional interface hardware.

General Industrial Automation — From food & beverage batching systems to steel mill cooling water circuits, the compact footprint, lightweight build, and universal ISO 5211 interface simplify retrofit projects where space is tight and valve access is limited.

The BJ10-Q3 electric intelligent actuator also serves as the primary drive unit when paired with Bonray W-series worm gearboxes, scaling its effective torque range for large-bore valves and high-pressure applications — a modular approach that future-proofs your valve automation infrastructure.

Electric Intelligent Actuator Main Technical Performance Indicators

• Power Supply: Three-phase: 380Vac ±10%, 50Hz ±2%; Single-phase: 220Vac ±10%, 50Hz ±2%; Optional power supply: AC220–660V, 50/60Hz (Compatible with three-wire or four-wire three-phase systems. Please specify special power requirements when ordering.)
• Input Signal: DC4–20mA (for modulating type only); DC24V, AC220V, or dry contact.
• Output Signal: 4 field-configurable output contacts, 1 remote indication output contact, 1 fault alarm output contact.
• Output Contact Rating: 250Vac / 5A
• Output Current Load Impedance: ≤750Ω
• Travel Range: 0–100° (adjustable within ±5°)
• Protection Rating: IP67 (IP68 optional)
• Explosion-Proof Rating: Optional: Gas explosion-proof Ex db IIB T4 Gb, or dust explosion-proof Ex tb IIIB T130℃ Db
• Insulation Class: Class F
• Ambient Temperature: -40℃ to 70℃
• Relative Humidity: ≤90% (at 20±5℃)
• Duty Cycle: Short-time duty, 15 minutes
• Lubrication: High-performance grease
• Mounting: Flange conforms to ISO 5211:2017 (GB/T12223-2023). Custom flanges are available upon request.

Related product：BJ/BJM-IIC Part-Turn Intelligent Electric Actuator

Electric actuators form the backbone of modern process control in many vital industries today. Plant engineers rely on these actuators for opening and closing valves with exceptional precision. Specifically, they control fluid and gas flow in power stations, refineries, and water treatment plants. This part-turn model delivers smooth angular movement from zero to ninety degrees within a compact housing. Furthermore, engineers can mount it directly onto ball valves, butterfly valves, or damper assemblies. The robust enclosure withstands dust, moisture, and strong vibration without compromising performance. Consequently, operators achieve dependable automation even in demanding industrial settings.

Additionally, this actuator offers multiple control modes for flexible system integration. Users can choose local, remote, or automatic operation based on their needs. Moreover, the built-in display shows real-time torque and position data in clear text. This feature helps operators monitor valve status without extra instruments. Furthermore, the device includes overload protection that safeguards both the valve and the actuator. In addition, a manual handwheel allows emergency operation during complete power loss. Therefore, the system remains accessible and safe at all times. Ultimately, the robust design minimizes downtime and extends the service life of connected equipment.

Overall, this actuator suits a wide range of industrial applications around the world. Process industries such as oil, gas, and power generation benefit from its reliable performance. As a result, engineers can design automation systems with greater confidence and fewer failure risks. The actuator handles frequent start-stop cycles and continuous duty without overheating. Therefore, it serves as a cost-effective solution for long-term valve automation projects. Ultimately, operators and maintenance teams enjoy consistent performance season after trouble-free season. In short, this actuator delivers dependable control for the most demanding process environments.