Multi-Turn Electric Actuator – EMD Series Basic Type

Short Description:

The EMD series multi-turn electric actuator delivers output rotation beyond 360°, designed for multi-turn and linear-motion valves such as gate valves, globe valves and control valves. Paired with a 90° worm gearbox, it can also operate quarter-turn valves including butterfly, ball and plug valves. The range spans from basic models for general industrial applications to intelligent models with advanced configuration and feedback options — a solution for virtually every valve automation need.

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Advantage

Warranty: 2 years
Motor Protection: F class insulated motor . 2 built in temperature sensor to prevent over heat.(Class H motor can be customized)
Anti Moisture Protection: Standard built in anti moisture resistance to protect internal electronics from condensation.
Absolute Encoder: 24 bits absolute encoder can record up to 1024 positions. This enables precise record of position even in lost power mode. Available on integration and intelligent type.
High Strength Worm Gear and Worm Shaft:High strength alloy worm shaft and gear for long durability. The meshing between worm shaft and gear had been specificaly examined to ensure maximum efficiency.
High RPM output: High RPM enables applications on large diameter valves.
Non-Intrusive set up: Integration an Intelligent type can be set up by remote control. They also come with LCD display and local control button/ knobs for easy access. Valve position can be set without opening actuator mechanically.
Performance Processor: Intelligent type adopts high performance micro processor, this which enables efficient and reliable monitoring of valve position/ torque and operational status.

Standard Specification

Material of Actuator Body	Aluminum Alloy
Control Mode	On-off Type
Torque Range	50-900 N.m Direct Output
Speed	18-144 rpm
Applicable Voltage	AC380V AC220V AC/DC 24V
Ambient Temperature	-30°C…..70 °C
Anti-vibration Level	JB2920
Noise Level	Less than 75 dB within 1m
Ingress Protection	IP67
Optional	IP68( Maximum 7m；Max 72 hours)
Connection Size	ISO5210
Motor Specifications	Class F, with thermal protector up to +135°C（+275°F)
Working System	On-off Type, S2-15 min, no more than 600 times per hour start
Input Signal	On/off type built in contacts 5A@250Vac
Feedback Signal	On/off type,Open stroke limit,close stroke limit; Open over torque, close over torque; Flash signal(contact capacity 5A at 250 Vac); Position feedback potentiometer.
Position Display	Mechanical Pointer.