Eccentric Orifice Plate

FLOW MEASUREMENT
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Description

Recommended orifice plate for dirty, charged or two-phase fluidsMounting between flanges: ISO PN 2,5 to PN 420, ASME 150 # to 2500 #, others on consultation. Material: Standard: 304L / 316L stainless steel, others according to your application.

  • Gold and silver plating - steels and metals
  • Eccentric Plate
  • Phase Orifice

Product characteristics

Standard
ISO / TR 15377
Fluid
liquid, gas, steam
Diameter of pipes
from 100 to 1000 mm
Accuracy
1% of max flow
Repeatability of the measurement
0.1%
Pressure taps
in the corners
Reynolds number in pipework
42 000 ≤ ReD ≤ 8,4.105
Pipe interior diameter
100 mm ≤ D ≤ 1 000 mm
Orifice diameter
d ≥ 50 mm
d/D
0.46 ≤ β ≤ 0.84
Upstream face roughness
Ra <10⁴.d
Sharp edge radius
r < 0,000 4.d
Eccentric orifice thickness
0,005.D ≤ e ≤ 0,02.D
Plate thickness
e ≤ E ≤ 0.05 D
Downstream bevel angle if necessary
α = 45 ° ± 15 °
Flatness tolerance
t < 0,005.(D - d)/2

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64170 Lacq - France

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