Bell & Gossett/ITT
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The differential bypass valve is designed to control excess flow in hydronic systems. When there is a reduction in demand, the valve acts as a bypass while ensuring adequate flow to the remaining open circuits. Designed for use in systems where heating loads might be excluded from the circuit as zone valves close, the valve helps reduce velocity noise caused by excess flow through the circuits while maintaining the pump head at a constant valve.
Developed for hydronic systems utilizing zone valves, the new valve features a 3/4-inch connection, all brass body with non-ferrous internals, horizontal or vertical installation, a maximum working pressure of 150 PSIG, and a maximum operating temperature 230 degrees.
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posted: 4/26/2007
