B+RS250 B+RS400 Butterfly Valve Air Damper Electric Valve Actuator

B+RS250 B+RS400 Butterfly Valve Air Damper Electric Valve Actuator. Intelligent Control System: Receives signals from PLC, DCS, and regulators for automatic adjustment in industrial automation. LCD Human-Machine Interface: Displays valve position, torque, and status in Chinese/English for easy parameter setting and diagnosis. Wide Industrial Application: Suitable for power, metallurgy, petroleum, chemical, water supply, and subway industries. High Reliability Design: Uses fewer components and complex wiring to ensure high electronic control reliability. Flexible Output Shaft: Spline design allows arbitrary adjustment of output wall position according to valve opening degree. Automatic Phase Correction: Input three-phase power supply automatically corrects phase sequence to prevent damage. Fault Protection Features: Stops at original position on fault, outputs alarm contacts, and displays valve positions. Certified Quality: Products are fully inspected before delivery and hold RoHS, ISO, and CE certifications.