The FPD150 is a range of flow measurement orifice plates, some of which are available on next day delivery if required, are available with a variety of profiles to handle a wide range of applications, from clean fluids and low viscosity liquids through to dirty fluids or high viscosity liquids.
They are usually supplied with a data tab welded to (or integral with) the circumference. On this tab can be engraved information such as the Tag Number and orifice plate bore, all of which are visible without removing the plate from the line.