Electric Operated Plastic Butterfly Valve
Electric Operated Plastic Butterfly Valve - 1258 Series
Electric Operated Plastic Butterfly Valves are designed for reliable ON–OFF and modulating flow control in chemical, water, and corrosive media applications. Manufactured from high-quality thermoplastics, these valves offer excellent corrosion resistance, lightweight construction, and long service life, making them ideal where metal valves are unsuitable.
Available in wafer and lug styles, plastic butterfly valves provide flexibility in installation. Wafer-type valves are cost-effective and commonly used, installed between two flanges, while lug-type valves allow disconnection of one side of the pipeline without disturbing the valve—ideal for maintenance and isolation requirements. Fitted with an electric actuator, the valve delivers precise 90° quarter-turn automation and seamless integration with control systems.
Technical Specifications
Parameter
Valve Type
Electric Operated Plastic Butterfly Valve
Design
Quarter-Turn Rotary
Body Type
Wafer / Lug Style
Body Materials
PVC / CPVC / PP / PVDF
Disc Material
Solid Plastic (PP / PVDF)
Shaft Material
Stainless Steel
Seat / Liner
EPDM / Viton / Nitrile
Pressure Rating
Up to 150 PSI
Temperature Range
Up to 120°C (material dependent)
Flange Standard
ANSI B16.5 Class 150 (Flat Face)
Mounting
ISO 5211 Direct Mount
Electric Actuator (Standard)
Single Phase – 230 V AC
Optional
24 V AC / 110 V AC
Manual Override
Handwheel (optional)
Design & Construction:
Solid one-piece moulded plastic body with a full-body liner isolates the shaft and valve body from the media, ensuring leak-free and corrosion-free operation.
Working Principle:
Working Principle
The electric actuator rotates the butterfly disc through a 90° quarter-turn motion
Open Position
Disc aligns parallel to the flow, allowing unrestricted passage
Closed Position
Disc rotates perpendicular to the flow, providing tight shut-off
Modulating Control
Intermediate disc positions allow accurate flow regulation
The full-body liner isolates the shaft and body from the media, ensuring leak-free and corrosion-free operation.
The full-body liner isolates the shaft and body from the media, ensuring leak-free and corrosion-free operation.
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
- Control Interface: Local Control Panel (LCP), Remote Operation, Integral Starter
Key Features & Advantages
- Compact and lightweight construction
- High corrosion resistance – no rust
- Solid one-piece moulded plastic body
- Full-body V-notch liner for enhanced sealing
- Blowout-proof stainless steel shaft
- Fully supported flange bolt holes
- Increased Cv for improved flow efficiency
- Abrasion-resistant internal surfaces
- Seat over-tightening protection
- ISO actuator mounting dimensions
Optional Accessories:
- Position transmitter (4–20 mA / 0–10 V)
- Local Control Panel (LCP)
- Integral starter
- Thermostat & space heater
- MODBUS / RS-485 communication
- Stem extensions, universal joints, floor stands
Industries Served
Water distribution systems
Chemical processing plants
Industrial utility pipelines
Acid & alkali handling lines
Typical Applications:
Corrosive chemical lines, scrubber systems, wastewater treatment plants, ventilation utilities, and industrial process pipelines.
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