Plast-O-Matic Valves -   CV factors for True Blue Union Ball Valves

Valve Size inch / metric Two Way Valve Three Way Valve
1/2" - 20mm 10 4.0
3/4" - 25mm 20 8.0
1" - 32mm 40 13.0
1 1/4" - 40mm 80 contact for availability
1 1/2" - 50mm 100 38.0
2" - 63mm 120 39.0

CV is an engineering unit use to calculate the pressure drop through a valve at a given flow rate.  A CV of 8.0 would mean that 8.0 GPM would produce a 1 PSI pressure drop. The pressure drop increases by the square of the increase in flow.  A 16 GPM flow would produce a 4 PSI pressure drop, 32 GPM would produce a 16 PSI drop.  Calculations are assuming a fluid specific gravity of 1.0.  Contact us for valve sizing -- E-Mail: sales@kthsales.com