Butterfly Valves - Sizing and Selection

Selecting and sizing butterfly valves for water applications.

Selecting and sizing butterfly valves for water applications.

A very nice tutorial about sizing butterfly valves, calculating CV etc.

Calculator

Flow Rate (GPM)

Allowable Pressure Drop (PSI)

Valve Size

CV Required--

Valve Size (inch)	Full Open CV	Typical Application
1	95	Low flow applications
1.5	130	Medium flow applications
2	240	Standard applications
3	550	High flow applications
4	900	Large capacity systems
6	2100	Industrial applications
8	3700	Maximum capacity applications

Butterfly Valves - Sizing and Selection | MEPKit Engineering Tools | MEPKit