System Integrity: Prevents bypass leaks and pressure drops

maintaining the structural integrity and operational efficiency of the refrigeration or ventilation circuit

and WHN400

Structural Integrity: Constructed with heavy-duty materials to withstand high torque loads and outdoor weather conditions

Browning BK34H Sheave 320788-704 System Integrity: Prevents bypass leaksThe Browning BK34H Sheave is a precision machined single groove cast iron pulley engineered for heavy duty power transmission in HVACR drive systems. Featuring a 3. 55" outside diameter, this BK series sheave is designed to interface with H series split taper bushings, ensuring a secure, concentric fit on the shaft that minimizes vibration and axial runout. Its versatile groove profile is compatible with 4L, 5L, A, and B section belts, making it a