Flow nozzle_F600

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Flow nozzle_F600

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Detailed Introduction


The flow nozzles, more costly than other orifice due to their structure, are suited for determining the flow rates of fluids flowing at high temperature and high pressure. Under the same measuring conditions, a flow nozzle has a higher mechanical strength, can permit the flow of more than 60 percent great volume of a fluid, and can measure the flow rates of fluids containing solid particles less disturbed than an orifice having the same bore. Thus, they are suited, in addition, for high speed flowing fluids. We can supply not only single flow nozzles, but also flow nozzles having welded short pipes on both their upstream and downstream sides.


Nozzle mounting types Flange type
Weld-in type
Holding ring type
Flow calculation standards ■ Long-radius flow nozzle
   JIS Z 8762, IS0 5167-3, ASME MFC-3M
■ ISA 1932, flow nozzle
   ISO 5167-3 JIS Z 8762
Pressure taps 1D and ½D tap, throat tap
Nominal pipe sizes available 50 ~ 630 mm
2" ~ 25"
βLimit 0.2 < β < 0.8
(Low - beta) long - Radius nozzle 0.2 ≤ β ≤ 0.5
(High - beta) long - Radius nozzle 0.25 ≤ β ≤ 0.8
β : Ratio of throat to pipe diameter = d/D0
(d: Throat diameter)
Nozzle thicknesses Maker standards
Material A182-F11, F22, F91
A182-F316 / F316L

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