Apparatus for regulating flow of a medium in a heating and...

Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface

Reexamination Certificate

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C137S637400, C251S212000

Reexamination Certificate

active

07735514

ABSTRACT:
The description relates to a device for the regulation of the amount of a medium in a heating or cooling system, comprising a combined valve, which in one and the same valve housing includes one part for pressure difference regulation (2) and one part for flow limitation (3), the flow being limited in a stepless, adjustable way, i.e. the device obtaining an adjustable Kvs-value. Also, the chosen Kvs-value can be limited by a plunger, which always can operate with its complete stroke length.

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