ISA1932 flow nozzle is a very widely used and accurate type of ISO-5167 flow and it is available in various structures depending on the use.
A nozzle applies equally well to both low and high pressure flow measuring but it’s most often used in high pressure and temperature boiler feed water lines or spray water line. A nozzle has a slightly lower shape resistance compared to an orifice plate which makes the instrument more efficient (Smaller pressure loss). As an instrument nozzle is not as fragile as an orifice plate and withstands solid particles very well. The required straight lengths are approximately 26D. A nozzle is a relatively inexpensive instrument which suits well for liquid and steam measurement at low flow rates. A nozzle has a very long life span and it maintains its accuracy very well for decades.
Sintrol nozzles are all custom made and calculated and manufactured according to the industrial norms and directives such as ISO-5167 and the European Pressure Vessel Directive 97/23/EC Module-H or the ASME code.
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