https://www.fiorentini.com/en/solutions/products/gas-products/gas-meters/orifice-fittings/fiomaster/
FioMaster - Orifice fittings - Pietro Fiorentini
Sep 10, 2025 - FioMaster is a volumetric measuring system based on the introduction of a concentrated pressure drop through a stainless steel disc with a calibrated hole.
fiomasterorificefittingspietrofiorentini