SQN70 damper actuator
The Siemens SQN70 is a high-torque damper actuator designed for medium to large industrial burner systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Damper Actuator / Air Damper Motor |
| Series | SQN70 |
| Application | Industrial Burner Systems |
| Control Type | Modulating or 3-Position (depending on version) |
| Operating Voltage | 220–240 VAC (common versions; 110V variants available) |
| Frequency | 50/60 Hz |
| Rotation Angle | Typically 90° (adjustable depending on configuration) |
| Torque Range | Approx. 10–20 Nm (varies by sub-model) |
| Running Time | Approx. 4–30 seconds (depending on version) |
| Mounting | Direct shaft mounting |
| Fuel Type | Gas and Oil Burners |
| Protection Class | Industrial-grade housing |
| Condition | New / OEM |
Notes
Product Overview
The Siemens SQN70 is a high-torque damper actuator designed for medium to large industrial burner systems.
It is primarily used to control combustion air dampers, ensuring precise air-fuel ratio regulation during burner startup, modulation, and shutdown.
Compared with smaller SQN series actuators, the SQN70 provides higher torque output and enhanced durability, making it suitable for larger burners and heavy-duty industrial heating equipment.
This actuator is widely installed in industrial boilers, furnaces, kilns, and thermal oil heater systems where stable and accurate combustion control is required.
Key Features
- High torque output for medium and large burners
- Precise air damper positioning control
- Suitable for gas-fired and oil-fired systems
- Available in modulating and multi-position versions
- Robust industrial construction
- Adjustable rotation angle (depending on configuration)
- Long service life and reliable performance
Packaging & Delivery
- Individual industrial protective carton packaging
- Shock-resistant internal protection material
- Standard export packaging for international shipment
- Fast dispatch for stocked models
- Shipping via courier, air freight, or sea freight
- Bulk supply available for OEM and distributor orders
Frequently Asked Questions (FAQ)
Q: What is the Siemens SQN70 used for?
A: It is a high-torque damper actuator used to control air dampers in industrial burner systems.
Q: How is SQN70 different from SQN31?
A: SQN70 provides higher torque output and is designed for medium to large industrial burners, while SQN31 is typically used for smaller burners.
Q: Is SQN70 suitable for modulating burners?
A: Yes. Many versions support modulating control depending on the burner system configuration.
Q: Can it be used for both gas and oil burners?
A: Yes. It is suitable for both gas-fired and oil-fired industrial burner applications.
Q: What torque range does SQN70 provide?
A: Typical torque ranges from approximately 10 to 20 Nm depending on the sub-model.
Q: Do you provide worldwide shipping?
A: Yes. International shipping is available.
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