Minimum Cv Calculator for Liquids

1. Enter your values in the boxes. Use the Tab key to move to the next box.

Flow Rate (GPM)

Inlet Pressure (PSIA)

Outlet Pressure (PSIA)

Specific Gravity
(relative to water at 60°F)

2. Click the Calculate button


Minimum Allowable Cv
(Select a regulator with a Cv at least twice this value)


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