Your Professional Thermal Actuator Supplier
Xiamen Hysen Industrial Co., Ltd. is a well-established manufacturer located in Xiamen, Fujian. We specialize in designing, developing, and producing various types of valves. We strive to provide users with high-quality valve products and reliable after-sales service.
16 Years of Industry Experience
With over 16 years in floor heating systems and thermostats, we provide mature technology, stable product performance, and proven market reliability.
Strict Quality Control & Full Testing
All thermostats are produced under the ISO9001 system and fully tested before shipment, ensuring consistent quality and dependable performance for every order.
Integrated Manufacturing and Trading Capability
With our own production facilities and a dedicated trading team, we offer efficient communication, flexible order handling, and reliable supply for global customers.
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![230v Normally Opened Electric Actuator]()
230v Normally Opened Electric ActuatorUsed for controlling normally closed switch of small valves or PDMExecutive control on-off an stable control of closed loop valve Mounted on the pipeline of the water collector loop and the thermostatic valveThe valve is closed when theread more -
![24v Normal Closed Electric Actuator]()
24v Normal Closed Electric ActuatorUsed for controlling normally closed switch of small valves or PDMExecutive control on-off an stable control of closed loop valve Mounted on the pipeline of the water collector loop and the thermostatic valveThe valve is closed when theread more -
![Normal Closed Electric Actuator]()
Normal Closed Electric ActuatorUsed for controlling normally closed switch of small valves or PDMexecutive control on-off an stable control of closed loop valveMounted on the pipeline of the water collector loop and the thermostatic valveThe valve is closed when theread more -
![230vac Normally Opened Electric Actuator]()
230vac Normally Opened Electric ActuatorUsed for controlling normally closed switch of small valves or PDMexecutive control on-off an stable control of closed loop valveMounted on the pipeline of the water collector loop and the thermostatic valveThe valve is closed when theread more -
![230vac Normal Closed Electric Actuator]()
230vac Normal Closed Electric ActuatorUsed for controlling normally closed switch of small valves or PDMexecutive control on-off an stable control of closed loop valveMounted on the pipeline of the water collector loop and the thermostatic valveThe valve is closed when theread more
Specification
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Type: |
Normally closed |
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Supply Voltage: |
230VAC |
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Initial Current: |
50MA |
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Working Current: |
6.5ma |
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Power: |
1.5W |
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Maximum Load: |
110N |
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IP Grade: |
IP43 |
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Working Temperature: |
-20℃-50℃ |
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Stroke: |
3.0mm |
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Storage Temperature: |
-20℃-70℃ |
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Cable Length: |
100cm |
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Security Level: |
II(double insulation) |
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Dimension: |
180s (on-off) 62mm*30mm*39mm |
Types of Thermal Actuator
The thermal actuators produced by our company mainly include the following types:
2 Wire Thermal Actuator
2-wire thermal actuator is a small, electrically controlled device, usually for underfloor heating manifolds, that uses heat (from power) to physically open or close a valve, controlling hot water flow to a specific heating zone based on signals from a thermostat, acting as a zone valve for precise room temperature control.
4 Wire Thermal Actuator
4-wire thermal actuator is a device for radiant heating systems (like underfloor heating) that uses wax or a similar material to open/close valves, allowing for individual zone temperature control, with the extra two wires providing a built-in end-switch to signal when it's fully open for auxiliary devices like a pump or heat plant.
Advantages of Thermal Actuator
Self-Actuating
Operates without electrical or external power
Maintenance-Free
No periodic calibration or service requirements
Predictable and Precise
Reliable activation temperatures
Simplistic and Durable Design
Increases service life and minimizes part failures
Compact and Lightweight
Optimized for low SWaP (Size, Weight, and Power) requirements
Resistant to Shock & Vibration
Performs reliably in extreme conditions
Heating, Ventilation, and Air Conditioning (HVAC)
In HVAC systems, thermal actuators are primarily employed to control the flow of air and fluids. They operate valves, dampers, and flaps to ensure that the system maintains a consistent and comfortable temperature.
Home Appliances and Beyond
A notable example of a thermal actuator in everyday life is its integration into home appliances. Consider the washing machine: a wax motor can be used to control the opening and closing of the door.
Underfloor Heating Systems
One of the most transformative applications of thermal actuators is in underfloor heating. Modern underfloor heating systems are designed for energy efficiency and precise control over different zones within a building.
Main Components of Thermal Actuator
Heating Element
Typically a resistor or a bimetallic strip, this element heats up when an electrical current passes through it.
Wax Motor
A specialized substance that expands when heated and contracts upon cooling. This wax is carefully selected for its predictable thermal behavior.
Mechanical Conversion System
This part translates the wax’s expansion and contraction into linear or rotational motion, effectively turning thermal energy into mechanical work.
Step-by-Step Mechanism of Thermal Actuators
Heating Initiation
The process begins when the actuator’s heating element is energized. This element, which may be an electrical resistor or a bimetallic strip, starts to produce heat when an electric current flows through it.
Wax Expansion
The generated heat is transferred to the wax motor contained within the actuator. As the wax heats up, it expands. This expansion is both predictable and controllable, providing the basis for precise mechanical movement.
Mechanical Movement Conversion
The expansion of the wax creates a force that is transmitted to a mechanical linkage—be it a piston, a rotating shaft, or a lever system. This force is harnessed to actuate a specific mechanism such as opening a valve or adjusting a damper.
Temperature Feedback Loop
In a thermostatic actuator, the system is often integrated with a thermostat. The thermostat monitors the ambient temperature and sends feedback to the actuator. When the desired temperature is reached, the actuator’s heating element is deactivated.
Cooling and Contraction
Once the heating element stops, the wax begins to cool. As it cools, the wax contracts, reversing the force generated during expansion. This contraction resets the actuator, preparing it for the next cycle of operation.
Packaging and Shipping
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Packaging |
In standard export cartons, but could be designed as your request. |
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Shipping |
Shipping by sea, by air, by express are acceptable. According to your requirements. |
Our Factory
Xiamen Hysen Control Technology Co., Ltd. was established in 2008, with more than 16 years of experience in the field of floor heating systems and thermostat.
Our Certificates
FAQ
We're well-known as one of the leading thermal actuator manufacturers and suppliers in China. With over 15 years' experience, we warmly welcome you to buy discount thermal actuator from our factory. All customized products are with high quality and competitive price.
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![230v Normally Opened Electric Actuator]()
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