Siemens Combustion SQM50.480A1Z3 Actuator 320788-703 15-ton thermostatic expansion valve engineered

15-ton thermostatic expansion valve engineered for precision refrigerant metering in commercial R22 systems

Enhanced Equipment Longevity: Reduces cyclic thermal stress on heat exchangers by maintaining stable internal conditions between firing cycles

By maintaining precise resistance levels

facilitating optimal discharge air or return air control

Siemens Combustion SQM50.480A1Z3 Actuator 320788-703 15-ton thermostatic expansion valve engineeredThe Siemens SQM50. 480A1Z3 is a high torque industrial combustion actuator engineered for precise damper positioning and fuel air ratio control. Operating on 120V AC, this reversible electromotoric actuator delivers a rated torque of 15 Nm, making it a standard choice for modulating burner control on large scale commercial and industrial systems. With a running time of 30 seconds for 90 degrees, it provides the steady, repeatable motion required for