Electric Diaphragm Actuated Valve
Electric Diaphragm Actuated Valve -1850 Series
The Electric Diaphragm Actuated Valve is designed to provide accurate, smooth, and reliable linear motion for diaphragm valves used in on–off and modulating control applications. When coupled with straight-through or weir type diaphragm valves, the electric actuator delivers precise flow regulation without the need for compressed air, making it ideal for automated process systems.
The actuator converts electrical input signals into controlled linear movement of the valve stem, enabling stable positioning, repeatable operation, and long service life. Its compact design, direct mounting arrangement, and compatibility with modern control systems allow seamless integration with PLC / DCS-based automation.
Technical Specifications
Parameter
Sizes
15mm to 350mm
Actuator Type
Linear Electric Actuator
Operation
ON–OFF / Modulating
Power Supply
Single Phase – 230 V AC Three Phase – 415 V AC
Control Signals
Control Signals: ON–OFF 4–20 mA / 0–10 V (with controller)
Mounting
Direct mounted on diaphragm valve
Applicable Valve Types
Straight Through (ST) Diaphragm Valves Weir Type (W) Diaphragm Valves
Protection Class
IP-rated enclosure (weatherproof options available)
Design & Construction:
Compact linear electric actuator with direct mounting ensures stable positioning, accurate thrust transmission, and seamless PLC / DCS integration for automated diaphragm valve operation.
Working Principle:
Open Position
Actuator lifts the valve stem separating diaphragm from seat to allow flow
Closed Position
Actuator presses diaphragm against seat for shut-off
Modulating Control
Intermediate stem positions enable precise flow regulation
Linear motion ensures bubble-tight sealing with minimal wear.
Linear motion ensures bubble-tight sealing with minimal wear.
Automation & Control Options:
- Control Modes: On/Off, Modulating (4–20 mA / 0–10 V)
- Control Modes: On/Off, Modulating (4–20 mA / 0–10 V)
- feedback Systems: Position Transmitter, Potentiometer
- Control Functions: Integral Controller, Auto Calibration
- Control Interface: Local Control Panel (LCP), Remote Operation
Key Features & Advantages
- Smooth and accurate linear motion
- Suitable for continuous modulating duty
- No compressed air required
- Low operating noise and vibration
- Compact and robust construction
- Direct mounting for easy installation
- High positioning accuracy and repeatability
- Designed for long service life
Optional Accessories:
- Position transmitter
- Potentiometer for feedback
- Integral controller
- Local Control Panel (LCP)
- Thermostat & space heater
- Modulating control package (4–20 mA / 0–10 V)
Industries Served
Water & wastewater treatment plants
Chemical processing industries
Pharmaceutical & biotech processes
Food & beverage applications
Typical Applications:
Acid & alkali handling systems, slurry control lines, hygienic processing, corrosive media regulation, and automated industrial flow control.
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