Description

Introduction of Quarter‑turn Electric Valve Actuators BJ200‑Q1

Quarter‑turn Electric Valve Actuators BJ200‑Q1 is a high‑performance intelligent drive for medium‑to‑high torque quarter‑turn valves. Specifically, it provides strong and stable rotary force to drive ball, butterfly, and plug valves efficiently. As a result, users get outstanding precision and long‑term durability even under heavy loads. Moreover, its compact structure delivers powerful performance while saving valuable installation space. Consequently, engineers can fit the actuator into tight or crowded equipment layouts with ease.

Furthermore, the actuator uses a high‑precision absolute encoder for position detection. Therefore, it keeps accurate valve position data even after a sudden power failure. Consequently, the system starts up stably without needing a time‑consuming homing routine. In addition, a dot‑matrix LCD displays real‑time status clearly on site. Thus, operators can grasp working conditions intuitively and respond quickly to any changes. The interface also shows diagnostic alerts and maintenance reminders for proactive care.

Meanwhile, Quarter‑turn Electric Valve Actuators BJ200‑Q1 supports both on‑off and modulating control types. Hence, it adapts well to different operating frequencies and varying duty cycle requirements. For example, users can choose intermittent duty for isolation valves or continuous regulation for flow control. Finally, the BJ200‑Q1 realizes multiple control modes including local, remote, analog, ESD, and two‑wire control. Therefore, it fully meets the demands of modern automated systems across oil, gas, water, and chemical plants. These industries rely on its robust performance for safe and efficient daily operations.

Parameters of Quarter‑turn Electric Valve Actuators BJ200‑Q1

• Power Supply: Three-phase: 380Vac ±10%, 50Hz ±2%; Single-phase: 220Vac ±10%, 50Hz ±2%; Optional Power: AC220～660V, 50/60Hz (Compatible with both three-phase 3-wire and 4-wire configurations. Special power requirements must be specified during ordering)
• Input Signal: DC4～20mA (Regulating type exclusive); DC24V, AC220V, or dry contact (passive)
• Output Signal: 4 groups of field-configurable output contacts; 1 set of remote status output contacts; 1 set of fault alert output contacts
• Output Contact Capacity: 250Vac/5A
• Output Current Load Impedance: ≤750Ω
• Protection Level: IP65 (IP67 available as option)
• Insulation Grade: Class F
• Ambient Temperature Range: -20℃ to +60℃ (Extended range: -30℃ to +70℃ optional)
• Relative Humidity: ≤95% (at 25℃)
• Operation Mode: Intermittent duty, 10 minutes
• Lubrication: Premium grease
• Installation: Mounting flange conforms to ISO5211:2017 (GB/T12223-2023) standard. Custom flange designs available per client specifications

  

Dot‑Matrix LCD Display

The dot‑matrix LCD display provides a clear and intuitive human‑machine interface for BJ200‑Q1. It shows valve position percentage, limit settings, running mode, fault codes, and signal status in the form of characters, numbers, and graphics, allowing users to read key information at a glance.

Moreover, the display supports multi‑page switching and parameter query, enabling on‑site staff to complete calibration, inspection, and troubleshooting efficiently. The high‑contrast screen ensures good visibility even in strong light or dark environments, improving operation convenience.

Absolute Encoder

The absolute encoder serves as the core component for high‑precision position control of BJ200‑Q1. Specifically, it records real angular position continuously and accurately without any cumulative error. Consequently, the actuator delivers stable and repeatable valve action every single time. Moreover, the position data remains unchanged even after a sudden power interruption. Therefore, the actuator can resume working immediately upon power recovery without homing.

In addition, this encoder supports high‑response signal output for demanding control scenarios. Hence, the actuator becomes more sensitive and responsive when operating in regulating mode. As a result, it effectively improves overall control accuracy and system stability. This proves especially valuable for applications that require frequent or fine‑grained adjustments. For example, processes involving flow modulation, pressure regulation, or batch mixing benefit significantly from this feature. Ultimately, users gain tighter process control and reduced wear on valve components over time.

Structural Strength & Sealing Performance

BJ200‑Q1 adopts a die‑cast aluminum alloy housing with solid mechanical structure, which is lightweight, corrosion‑resistant, and shock‑proof. The dual‑sealing design provides reliable protection, reaching IP65 ingress protection level (IP67 optional), effectively preventing dust and water from entering the interior.

Meanwhile, high‑grade lubricating grease is used inside the gearbox, ensuring smooth transmission, low noise, and long‑term durability. The sturdy structure and reliable sealing make the actuator suitable for long‑time operation in harsh industrial environments.

Wide Industrial Applications

This actuator is widely used in many key industries, including power generation, petroleum, chemical engineering, metallurgy, paper making, water treatment, and municipal engineering. It can stably drive various quarter‑turn valves in process pipelines, energy systems, and environmental protection facilities.

Furthermore, its flexible control modes and strong compatibility make it easy to integrate into different automated systems. Whether for new projects or equipment upgrading, BJ200‑Q1 provides reliable and cost‑effective valve driving solutions.

Related Product : BD‑C6 Multi‑turn Intelligent Electric Actuator

BD‑C6 multi‑turn intelligent electric actuator focuses on lightweight and intelligent integrated design, adopts aluminum alloy casting for the enclosure to reduce weight while ensuring structural strength, and forms a dual‑protection structure with O‑rings and oil seals to achieve IP67 ingress protection. It uses a non‑intrusive operation mode based on magnetic steel and Hall sensors, allows users to complete parameter setting and status inquiry without opening the electrical cover, and effectively blocks dust and moisture from entering the interior, thus greatly enhancing the stability of the control system.

In terms of performance, this model has a complete range of specifications, covers output torque from 50N·m to 3500N·m, and supports switching, intermittent regulation, and frequent regulation working modes to meet different action frequency requirements. It is equipped with a high‑definition LCD for real‑time display of valve opening and fault codes, and has automatic phase sequence adjustment, instantaneous reversal protection, and valve jamming protection functions. Meanwhile, it can connect with multiple types of reduction boxes to expand the torque range, and is widely used in water supply and drainage, papermaking, municipal engineering, and environmental protection fields with flexible installation and convenient operation.