Flow regulating valve

Details Flow regulating valve Flow regulating valve

G - Physics

05

D

G05D 7/01 (2006.01) F16K 17/32 (2006.01) F16K 31/128 (2006.01) G05D 16/06 (2006.01)

Patent

CA 2180062

A flow regulating valve (1) combines two throttle locations (4, 5; 8, 9 ) in a valve housing (7). One throttle location (8, 9) is always so adjusted that a constant differential pressure prevails across the other throttle location (4, 5). Therefore at that second throttle location (4, 5) the through flow depends only on the degree of opening and not on the differential pressure. A cone (4) of the throttle location (4, 5) comprises at least two individual portions (22, 23) which are displaceable relative to each other and by the spacing of which the effective cross-section of the throttle location (4, 5) is variable. That provides a through-flow limiting effect which is not in the form of a stroke movement limitation. Therefore the full adjusting range is available for adjusting the flow. This flow regulating valve (1) is suitable for controlling flows of liquids in heating installations.

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