» Engineering tool BETA
Valve Flow & Cv/Kv Calculator
Calculate flow rate, pressure drop or flow coefficient (Cv / Kv) for 2-way general service valves — liquid and gas — with per-field metric/imperial units and a built-in unit converter.
» Members access
Unlock the flow calculator
This engineering calculator is available to industry professionals. Tell us a bit about you and verify your company email to unlock it — under a minute.
From sizing to the right valve
Got your Cv/Kv? Our application engineers will match it to the right Fisher™ or multi-brand valve for your duty — and quote it. Steam and severe-service sizing handled directly with our team.