Quarter-circle Orifice Plate
FLOW MEASUREMENT
Description
Recommended for viscous 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
- Circle Orifice
- Orifice Quarter
Product characteristics
- Standard
- ISO / TR 15377
- Fluid
- liquid, gas, steam
- Diameter of pipes
- from 25 to 500 mm
- Accuracy
- 2% of max flow
- Repeatability of the measurement
- 0.1%
- Pressure taps
- in the corners, at the flange
- Reynolds number in pipework
- 250 ≤ ReD ≤ 6.104
- Pipe interior diameter
- 25 mm ≤ D < 500 mm
- Orifice diameter
- d > 15 mm
- d/D
- 0.245 ≤ β ≤ 0.6
- Upstream face roughness
- Ra <10⁴.d
- Quarter circle radius
- 0,100.d ≤ r ≤ 0,207.d
- Quarter circle hole thickness
- 2,5 mm ≤ e ≤ 0,1.D
- Plate thickness
- E ≥ r
- Downstream bevel angle if necessary
- α = 45 °
- Flatness tolerance
- Consult us
Documents
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