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FLC-MP 1
FLC-MP
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WIKA · Flow measurement · Family FLC

Multi-hole orifice plate

Multi-hole orifice plate for liquid, gas and steam flow measurement with accuracy of 1 % to 2 % depending on beta ratio and Reynolds number.
Price
On request
Depends on configuration
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Description

Multi-hole orifice plates are variants of orifice plates like square edge, eccentric or segmental orifice plates. The main difference consists in the 4 bores radially displaced relative to the plate centre. The model FLC-MP requires only 2 diameters downstream and 2 diameters upstream. Due to this configuration the multi-hole orifice plates ensure a uniform flow of the medium. This enhances the accuracy of flow measurement and minimises disturbances in flow, offering high performance even in short upstream and downstream pipes.

Special features

  • For requirements in short straight up- and downstreampipes
  • Suitable for liquid, gas and steam flow measurement
  • Compact version available
  • Accuracy 1 % ... 2 % depending on beta ratio andReynolds number
  • Repeatability 0.1 % of flow rate
Identification
ModelFLC-MP
Product familyFLC
SubcategoryOrifice plate
Accuracy
Accuracy1 %
Process conditions
Process connection
FlangeCorner
Max process pressure769 bar
Measurement technologydifferential pressure
Materials
Wetted parts materialSS 316
Additional details
Datasheet languagesEN
Tables from datasheet
Basic information
Surface finish in accordance with standard■ API 6A ■ ASME B16.36 ■ ASME B16.47 Form A ■ ASME B16.47 Form B ■ BS 1560 ■ EN 1092-1 → Other standards on request
Pressure tappings■ Flange ■ Corner
Nominal size2" ... 24" → Larger versions on request
Nominal pressure ratings150 ... 10,000 psi [10 ... 769 bar]
Beta ratio0.2 ... 0.65
Accuracy1 %... 2 %depending on beta ratio and Reynolds number
Repeatability0.1 %of flow rate
Maximum operating pressure and temperatureLimited only by material and flange pressure rating
Features
Materials■ SS 316 (standard) ■ Superior material on request
AssemblyRF or RTJ flanges
Min. required straight pipe length2 x diameter upstream 2 x diameter downstream
Available seals
Raised face (RF)125 ... 250 AARH or 250 ... 500 AARH
Ring joint gasket■ Octagonal ■ Oval
Dimensions of multi-hole orifice plates for flanges with raised face (RF)
Nominal sizePlate thickness
2"... 6"3 mm[0.12 in]
8" ... 14"6 mm[0.24 in]
16" ... 24"10 mm[0.39 in]