Produktspecifikation
Produktspecifikation Strypelement Series MEF
Installationsguide
Installationsguide för Strypelement Series MEF
The EMCO throttling box is used as a primary element for flow measurement of liquids, gases and vapour based on the differential pressure principle. According to this working principle, the throttling box creates a flow restriction in the pipeline, which allows measuring the resulting pressure drop and flow rate.
The Orifice Plate Series MEF is designed with a single pressure tapping port for mounting between flanges.
Characteristics
Produktspecifikation Strypelement Series MEF
Installationsguide för Strypelement Series MEF
| Design and calculation standards | ISO 5167-2, ASME MFC-3M, DIN 19205, Shell Flow Meter Engineering Handbook, L. K. Spink, AGA No. 3 |
|---|---|
| Size | DN 50 - 600, 2" - 24" |
| Pressure class | PN 10 - 40, 150 - 600 lbs |
| Plate thickness | 3 - 8 mm |
| Material | AISI 316, other materials on request |
| Mounting style | Between flanges with flat or raised face connection according to DIN 2526, 2513, 2512, EN 1092-1 or RF according to B 16.5 |
| Accuracy | +/- 0.6 % for β < 0.6 and equal to β for β values above 0.6 |
| Limitations of Reynolds numbers | Re > 1260 x β² D according to ISO 5167, 2000 < Re < 10⁸ according to ASME MFC-3M |
| Pressure outlets | 3/8", 1/2" BSP tap, Ø 12 mm, 1/2" NPT |
| Length of pressure outlets | 150 mm, other lengths on request |
| Location of pressure outlets | At least 45 degrees apart, to be specified when ordering |
| 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 ironing box 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 |
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