Produktspecifikation
Produktspecifikation Strypelement Series MEF/2
Installationsguide
Installationsguide Strypelement Series MEF/2
The EMCO tracer is used as a primary element in flow measurement of liquid, gas and vapour applications based on the differential pressure principle. According to this working principle, the tracer creates a flow restriction in the pipeline to allow measurement of the resulting pressure drop and flow rate.
The MEF/2 series is designed with a single push-in socket for insertion between ring type joints (RTJ flanges).
Produktspecifikation Strypelement Series MEF/2
Installationsguide Strypelement Series MEF/2
Design and calculation standards | ISO 5167-2 2003, ASME MFC-3M, ANSI B 16.5, Shell Flow Meter Engineering Handbook |
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Size | DN 50 - 600, 2" - 24" |
Pressure class | 600 - 2500 lbs RTJ |
Plate thickness | 3 - 8 mm |
Material | AISI 316, AISI 304, 22Cr Duplex, 16Mo3, 13CrMo4-5, other materials on request. |
Mounting style | Between flanges with RTJ according to ANSI B 16.5 or API |
Accuracy | +/- 0.5 % for β < 0.6 and equal to β for β values above 0.6 |
Limitations of Reynolds numbers | Re(D) > 5000 for 0.1 < β 0.56 according to ISO 5167-2 2003 |
Pressure outlets | Threaded: ½" NPT int. (standard) or ½" BSP. Flanged: ½" and ¾", 600, 1500 and 2500 lbs RTJ. |
Length of pressure outlets | 150 mm, other lengths on request |
Location of pressure outlets | At least 45 degrees apart, to be specified when ordering |
Withdrawal location | At least 15° apart, depending on size and pressure rating |
Connectivity | Flanges with flat or raised face connection according to DIN 2526, 2513 or 2512, or RF according to ANSI B 16.5 |
Shapes of the ironing box | Square edge concentric as standard. See above illustrations for other shapes |
Labelling | The trace ring is labelled with "+" and "-" and the direction of flow. |
Pressure drop | Depending on β, for β equal to 0.6: approx. 60 % of the measured differential pressure |
Accessories | Shut-off valves and condensing chamber for vapour flow measurement. Flange assembly complete with bolts, nuts and gaskets |
β (d/D) | 0,3 < β < 0,75 |
Ventilation or drainage holes | On request |
Tracking forms | Cutting edge concentric as standard. See above illustrations for other shapes. |
Pressure loss | Depending on β, for β equal to 0.6: about 60 % of the measured differential pressure |
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