Siemens SQN70.664A20 Servomotor
High torque and precise proportional control for efficient burner operation.
The Siemens SQN70.664A20 Servomotor is an actuator engineered for precise control of air dampers and metering valves in industrial burners. In addition, its 2.5 Nm torque and 23-second running time easily drive large dampers. Moreover, it operates on AC 230V and integrates with 1- or 2-wire control, 3-position controllers, P-PI, and PID controllers. Therefore, it is an ideal solution for liquid and gas fuel systems.
This servomotor features internal and external position indicators for real-time status monitoring. Furthermore, adjustable limit switches and auxiliary switches enhance system safety. Its maintenance-free gear train ensures years of trouble-free operation, consequently reducing operating costs and improving burner efficiency.
Siemens SQN70.664A20 Servomotor — Technical Specifications
It is ideal for air damper control in industrial heating boilers and steam generators. In particular, it is also reliably used in process furnaces and drying plants. Additionally, it is preferred in commercial heating systems to save fuel. Its impact- and heat-resistant plastic housing offers durability against harsh industrial conditions.
Key Advantages
- High 2.5 Nm torque easily drives large dampers
- P-PI and PID compatibility ensures precise proportional control
- Maintenance-free gear train and durable plastic housing offer long life
Applications
- Liquid and gas fuel industrial burner systems
- Heating boilers and steam generator damper control
- Process furnaces and drying plants for air flow regulation
In conclusion, the Siemens SQN70.664A20 Servomotor is an ideal choice for those seeking efficiency and reliability in burner systems. ORFA Industrial has supplied this product as an authorized distributor since 1985 and provides technical support. For more information, contact our expert team. ORFA Industrial supplies worldwide and provides technical support.
ORFA INDUSTRIAL PRODUCTS INDUSTRY AND TRADE INC.
Your Reliable Partner in Industrial Flow Technologies




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