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Caleffi Differential Pressure By-Pass Valve Buy Page
A bypass control valve for hydronic heating systems
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The differential pressure by-pass valve is used in systems with a
fixed speed circulating pump supplying several zones controlled
by two way zone valves. This valve ensures that the head pressure
of the pump is proportional to the number of two way valves being
closed. It will bypass the differential pressure created by the pump
as the zone valves close, thus eliminating water hammer noise.
Caleffi Differential Pressure Bypass Valve Techs & Specs Manual
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Differential Pressure Valve features:
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