Kvs Calculator
Valve sizing
UA
RU
EN
Parameters
Type
Valve
3-way
Flow Q, м³/ч
ΔP, бар
Temperature, °C
Margin, %
Valve passage
Main
Side
Kvs
0
Kvs + margin
0
Standard Kvs (click to select)
DN
Crane/Gate
3-way main
3-way side
🟢
Suitable
🟡
Too large (loses control)
🔴
Insufficient
Info
Formula: Kvs = Q / √(ΔP / SG), SG = ρ / 1000. ×0.8 for side passage