Electric Operated Metal Butterfly Valve
Electric Operated Metal Butterfly Valve - 1250 Series
Electric Operated Butterfly Valves are high-performance, quarter-turn flow control valves designed for automated ON–OFF and modulating service in industrial, utility, and hygienic process systems. By combining a precision-engineered butterfly valve with a robust electric actuator, these valves deliver accurate positioning, reliable sealing, and consistent performance without the need for compressed air.
The 90° electric actuation ensures smooth operation with low torque requirements, while the resilient seat and precision disc geometry provide tight shut-off and long service life. Designed for easy automation, electric butterfly valves integrate seamlessly with PLC / DCS systems, making them ideal for modern process control applications.
Technical Specifications
Parameter
Valve Type
Electric Operated Butterfly Valve
Design
Quarter-Turn Rotary
Size Range
DN50 to DN1200 (1″ to 48″)
Pressure Rating
PN10 / PN16 / PN25 / ANSI Class 150 / 300
Body Materials
Cast Iron, SG Iron, Carbon Steel (WCB), Stainless Steel (SS304 / SS316 / SS316L) or any as per customer project requirement
Disc Materials
SS-CF8 / CF8M, SG Iron (Nylon Coated), Aluminium Bronze
Shaft Material
SS410 / SS304 / SS316
Seat / Liner
EPDM, Nitrile, Viton, PTFE, Silicon, Food-Grade Elastomers
Elastomer Seat
up to 120°C Metal Seat (optional): up to 350°C Mounting: ISO 5211 Direct Mount
Electric Actuators
Single Phase – 230 V AC / 110VAC / 24VDC Three Phase – 415 V AC / 440VAC Optional: Explosion proof / Flame proof Electrical actuator
Control Modes
ON–OFF Modulating (0–10 V / 4–20 mA)
Protection
General Purpose ECO Series Weatherproof Flameproof (optional) IP67 / IP68 on request
Design & Construction:
A centrally mounted disc with resilient seating and precision geometry ensures tight shut-off, smooth operation, and long service life. ISO mounting allows direct actuator installation for accurate and repeatable automation performance.
Working Principle:
Working Principle
The electric actuator drives the butterfly valve disc through a 90° quarter-turn rotation:
Open Position
Disc aligns parallel to flow, allowing full passage
Closed Position
Disc rotates perpendicular to flow, providing complete isolation
Modulating Control
Actuator holds intermediate disc positions for precise flow regulation Direct ISO mounting ensures accurate, repeatable positioning with minimal backlash.
Automation & Control Options:
- Control Modes: On/Off, Modulating (4–20 mA / 0–10 V)
- Actuator Options: Single Phase, Three Phase, Explosion / Flame Proof
- Feedback Systems: Limit Switches, Position Transmitter, Potentiometer
- Communication: MODBUS (RS-485), PLC / DCS / SCADA Integration
Key Features & Advantages
- Compact quarter-turn design
- Smooth and low-torque operation
- Tight shut-off with excellent sealing performance
- Automation-ready construction
- Wide material and seat options
- Minimal maintenance requirements
- Suitable for ON–OFF and throttling service
Optional Accessories:
- Limit switches (open / close feedback)
- Position transmitter (4–20 mA / 0–10 V)
- Potentiometer for position feedback
- Local Control Panel (LCP)
- Integral starter
- Thermostat & space heater
- MODBUS / RS-485 communication
- PLC / DCS interface
Industries Served
Water supply & treatment plants
HVAC & building services
Chemical & petrochemical industries
Food & beverage processing
Pharmaceutical & clean process systems
Typical Applications:
Water distribution, cooling water systems, chemical handling lines, hygienic processing pipelines, HVAC utilities, steam and condensate systems.
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