Carrier KR11HZ218 Sheave 323613-751 Compact Linear Design: Low-profile linear

Compact Linear Design: Low-profile linear limit protector allows for easy mounting within tight internal heater cabinets

proportional control of pneumatic damper actuators

Fail-Safe Protection: The reliable spring return actuator design automatically drives to a normally open state to prevent system lock-ups during power interruptions

this single-diaphragm construction eliminates line pressure effects

supporting a high-demand 1

Carrier KR11HZ218 Sheave 323613-751 Compact Linear Design: Low-profile linearThe Carrier KR11HZ218 is a heavy duty, single groove cast iron sheave designed for precision airflow management in commercial HVACR systems. Featuring a 6. 55 inch outside diameter and a 1 3 8 inch fixed bore, this component is engineered to withstand the high torque demands of industrial blower assemblies and condenser fan motors. The variable pitch range of 4. 9 to 6. 4 inches allows technicians to fine tune belt driven fan speeds, ensuring optimal