Differential Pressure
Venturi PFV
The Model PFV FM approved Fire Pump System features the Preso CV Venturi. The CV is a differential pressure element designed to accurately measure flow. It can be installed in any position with minimal straight pipe requirements (5 pipe diameters up stream and 2 pipe diameters downstream). The Preso CV Venturi is a Low-Loss design with over 35 years of field performance in a wide variety of applications.
