WyeT Quarter-turn Electric Actuator
一、Product Overview
1.1 Short Description
The WyeT Quarter-turn Electric Actuator is designed for 90-degree rotary valve applications requiring reliable operation, accurate control and flexible valve automation.
It is suitable for ball valves, butterfly valves, plug valves and other quarter-turn valves, with an output torque range of 250 Nm to 2000 Nm.
1.2 Product Overview
The WyeT series is a direct-drive quarter-turn electric actuator designed for industrial valve automation.
It combines intelligent control, clear local indication, non-invasive setup and IP68 protection. The actuator supports local and remote operation and can be configured for on/off, modulating and fieldbus control applications.
The WyeT series provides reliable 90-degree rotary operation for valves requiring accurate position control, safety and dependable performance in industrial environments.
二、Features and Applications
2.1 Key Features
- Direct-drive quarter-turn design
- 90° rotary operation
- Non-invasive design
- Data logger as standard
- Clear and user-friendly local controls and indication
- Multi-language text display
- Simplified torque and position control
- IP68 protection
- Infrared setting and control
- Fault self-diagnosis
- Built-in motor protection
- Phase-loss protection
- Double-seal protection
- On/off, modulating and fieldbus control
- Modbus, Profibus DP and HART communication options
2.2 Applications
The WyeT series is suitable for quarter-turn valve applications including:
- Ball valves
- Butterfly valves
- Plug valves
- Dampers
Typical industries include:
- Oil and Gas
- Power
- Water and Wastewater
- Chemical Processing
- Marine
- Mining
- Pulp and Paper
- Food and Beverage
- Pharmaceutical
三、Technical Data
3.1 Technical Specifications
| Item | Specification |
|---|---|
| Product Type | Quarter-turn Electric Actuator |
| Operating Angle | 90° |
| Output Torque | 250–2000 Nm |
| Protection Grade | IP68 |
| Three-phase Power Supply | AC 380–690 V, 50/60 Hz |
| Single-phase Power Supply | AC 110–240 V, 50/60 Hz |
| Motor | Fully sealed squirrel-cage AC motor |
| Ambient Temperature | Standard: -30°C to +70°C |
| Ambient Humidity | Max. 90% RH, non-condensing |
| Position Feedback | 4–20 mA / 1–5 V / 0–10 V options |
| Control Modes | On/Off, Modulating, Fieldbus |
| Communication | Modbus, Profibus DP, HART |
| Insulation Class | F |
| On/Off Duty | S2, 15 min |
| Modulating Duty | S5–50%, up to 1200 starts/hour |
The catalog lists the standard protection, power supply, control and communication specifications for the actuator range.
3.2 Available Models
| Model | Max. Output Torque |
|---|---|
| WyeT250 | 250 Nm |
| WyeT500 | 500 Nm |
| WyeT1000 | 1000 Nm |
| WyeT2000 | 2000 Nm |
The product catalog identifies these four WyeT models, covering 250 Nm to 2000 Nm output torque.
四、Control and Communication
4.1 Control Modes
| Control Type | Description |
|---|---|
| On/Off Control | For fully open and fully closed valve operation |
| Modulating Control | For continuous valve position regulation |
| Fieldbus Control | For integration with PLC and DCS systems |
4.2 Communication Options
| Communication | Application |
|---|---|
| Modbus | Industrial digital communication |
| Profibus DP | Fieldbus control and plant automation |
| HART | Digital communication with 4–20 mA signal |
WyeT actuators can support local operation, remote control, position indication, infrared setting and fault diagnostics.
五、Protection and Reliability
5.1 IP68 Protection
The WyeT electric actuator features IP68 protection, providing protection for internal components in demanding industrial environments.
5.2 Double-Seal Protection
The control section is isolated from the terminal compartment through a double-sealed construction, helping protect the internal electronic components during field wiring and operation.
5.3 Motor Protection
Protection functions include:
- Motor overheat protection
- Stall protection
- Phase-loss protection
- Phase sequence identification
- Fault self-diagnosis
六、Model Selection
6.1 How to Select a WyeT Actuator
| Selection Parameter | Required Information |
|---|---|
| Valve Type | Ball valve, butterfly valve, plug valve, etc. |
| Required Torque | Nm |
| Power Supply | Single-phase or three-phase |
| Control Type | On/Off, modulating or fieldbus |
| Feedback Signal | 4–20 mA / 1–5 V / 0–10 V |
| Communication | Modbus / Profibus DP / HART |
| Installation Type | Direct mounted / Foot-plate mounted |
| Operating Environment | Temperature and installation conditions |
The catalog provides both direct-mounted and foot-plate-mounted WyeT configurations.
6.2 Model Range
WyeT250 / WyeT500 / WyeT1000 / WyeT2000
