Electric Butterfly Valve – Basic Overview
Electric butterfly valves combine a butterfly valve with an electric actuator to provide automated flow control in industrial systems. Kaersi electric butterfly valves are available in on-off and intelligent types, designed for reliability, compact size, and easy integration. They are ideal for handling viscous media, particles, or fibrous fluids, and are widely used in food processing, environmental protection, petrochemical, power generation, and other industries.The main Butterfly Valve product names of China Butterfly Valve Network include:Electric Metal Hard-sealed Wafer Butterfly Valve,Electric Soft-sealed Flange Butterfly Valve,Electric Vacuum Butterfly Valve,Electric Ventilation Butterfly Valve,Flange Soft-sealed Butterfly Valve,High Temperature Butterfly Valve,Sanitary Butterfly Valve,Worm Gear Soft-sealed Wafer Butterfly Valve.
1. Valve Body Specifications
Size Range: DN50 to DN1200
Pressure Rating: PN1.0, PN1.6, PN2.5 MPa
Connection Type: Flanged (JB/T78-59, JB79-59) or wafer type
Body Materials: HT200, ZG25I, ZG1Cr18Ni9, ZG0Cr17Ni12Mo2; options include PTFE lining or metal hard seal
Temperature Range: Standard -20°C to +200°C; high-temperature version -40°C to +450°C
2. Internal Components
Disc Type: Butterfly plate
Flow Characteristics: Linear or equal percentage
Materials: HT200, ZG25I, 1Cr18Ni9Ti; optional rubber or PTFE lining for corrosion resistance
3. Electric Actuator
The valve can be paired with QS series, 3810 series, or DSR electronic quarter-turn actuators. These actuators accept 4–20mA DC or 1–5V DC control signals and operate on single-phase power, enabling precise modulation and remote automation.
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