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this 3/4" mixing valve is frequently used in radiant floor heating to maintain low-temperature loops
Reliable High-Torque Output: The 3/4 HP rating provides the necessary power to overcome high duct static in modern HVAC systems
the valve remains at full flow until pneumatic pressure is applied
Durable Construction: Rugged cast iron housing ensures structural integrity in high-pressure closed-loop systems
it supports series or parallel fan-powered terminals
Browning BK50H Sheave 320735-701 this 3/4" mixing valve isThe Browning BK50H Sheave is a precision engineered single groove cast iron pulley designed for high torque power transmission in commercial HVACR systems. With a 4. 75" outside diameter and a 4. 4" datum diameter for B belts (3. 8" for A belts), this component is cross compatible with 4L, 5L, A, and B series belts. It is built for a split taper interface, specifically requiring Browning H Series bushings to ensure a secure, slip free fit on various