Kv value

The kv value expresses the amount of flow in a regulating valve at a given valve position with a pressure loss of 1 bar. The special situation with a fully open valve determines the kvs value.

The Kv value expresses the amount of flow in a regulating valve at a given valve position with a pressure loss of 1 bar. The special situation with a fully open valve determines the kvs value.

The amount of flow at a lower pressure loss can be calculated using the formula:

kv = Q / √ΔP

where

kv: kv value[m³/h]
Q: Flow [m³/h]
ΔP: Pressure loss over regulating valve [bar]





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