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Differential pressure valve.
Pressure control during hot gas defrost.
Suitable for wide fluctuation in demand.
Valve can be closed manually during service and have backseating enabling service of spindle while under pressure.
The Danfoss OFV overflow valve is a simple, adjustable pressure regulator that does not require pilots and is self-reseating.
It is suitable for defrost regulation of evaporators up to 100 TR.
The OFV is also suitable for oil pump discharge relief applications.