一、Product Overview
1.1 Product Introduction
The ML Series General Electric Device is the seventh product in the actuator lineup of Shanghai Wangye Valve Manufacturing Co., Ltd. It is identified in the product catalog as an ML Series General Electric Device.
The ML Series is designed for electric valve operation and can be used for valve opening and closing, on-site adjustment, remote command operation, and other valve automation functions depending on configuration.
1.2 Product Positioning
This product belongs to the general electric device range of the ML Series. The catalog separately lists the ML Series Smart Electric Device and the ML Series General Electric Device, allowing different configurations to be selected according to valve control requirements.
1.3 Main Features
- ML Series electric actuator
- Suitable for multiple valve types
- Rated torque range from 50 N·m to 5000 N·m
- Travel limit protection
- Overload torque protection
- Manual-electric switching mechanism
- Mechanical or LCD valve position indication
- IP65/IP67 enclosure protection
- Optional IP68 protection
二、Applicable Valves
2.1 Multi-Turn Valve Applications
The ML Series can be used with:
- Gate valves
- Globe valves
- Throttle valves
- Diaphragm valves
- Plunger valves
- Sluice gates
2.2 Quarter-Turn Applications
When combined with a worm gear reducer, the ML Series can also be used with 90° rotary equipment, including:
- Ball valves
- Butterfly valves
- Dampers
三、Technical Performance
3.1 Model Range
The ML Series performance table includes the following base models:
ML05, ML11, ML16, ML21, ML31, ML47, ML62, ML93, ML123, ML184, ML254, ML355 and ML505.
3.2 Output Torque
The listed rated output torque ranges from:
50 N·m to 5000 N·m
The maximum control torque ranges from:
75 N·m to 6000 N·m
Actual values depend on the selected model.
3.3 Output Speed
Available speed codes include:
12 / 18 / 24 / 36 / 48 / 72 rpm
3.4 Protection Rating
Standard enclosure protection:
IP65 / IP67
Optional protection:
IP68
四、Structure and Protection
4.1 Main Structure
The ML Series electric actuator consists of six main sections:
- Motor
- Reducer
- Control mechanism
- Manual-electric switching mechanism
- Handwheel
- Electrical section
4.2 Dual Protection
The actuator provides travel limit protection and overload torque protection, helping protect the actuator and valve during operation.
4.3 Manual Operation
A manual-electric switching mechanism and handwheel are incorporated into the actuator, allowing manual operation when required.
五、Power and Operating Conditions
5.1 Standard Power Supply
The standard power supply is:
Three-phase AC 380 V ±10%, 50 Hz
Special configurations include 660 V / 415 V and single-phase 220 V / 60 Hz.
5.2 Operating Temperature
Standard ambient temperature:
-20°C to +60°C
Special configuration:
-40°C to +100°C
5.3 Humidity
Permitted relative humidity is:
≤95% at 25°C.
六、Industrial Applications
6.1 Application Industries
The ML Series is designed for valve control applications in industries including:
- Power generation
- Steel
- Petrochemical
- Metallurgy
- Water treatment
- Paper industry
6.2 Product Selection
Selection should consider:
- Required valve torque
- Output speed
- Valve connection
- Control method
- Power supply
- Installation conditions
- Operating environment
