Siemens BPZ:SQM40.265A21 Damper Actuator

The Siemens BPZ:SQM40.265A21 is an electromechanical damper actuator designed for burner and combustion system applications. Manufactured by Siemens for precise flow regulation, this actuator is used to control air dampers, gas butterfly valves, and fuel-air ratio assemblies across industrial heating, boiler, and furnace installations. Engineered to support dependable combustion performance, the actuator interfaces with burner management systems to position dampers accurately during startup, purge cycles, modulation, and shutdown sequences. Its rugged drive train and industrial housing ensure consistent torque delivery and reliable positioning in demanding mechanical environments. Key features include: - Genuine Siemens design for industrial burner assemblies - Precise mechanical positioning for air and fuel damper control - Suitable for maintenance, repair, and replacement in burner systems - Designed for stable operation in industrial heating environments