Wedge Flow Meter is used as primary element in flow measurement of liquid, gas and steam according to the differential pressure principle.
|
Design and calculation standards : |
EN, PED 97/23 EC, ANSI/ASME and RW Miller |
| Sizes |
DN 50 -900 2"-36" |
| Pressure rating : |
PN 10 - 250, 150 -1500 lbs |
| Material : |
Carbon steel P235GH, P250GH, P265GH, A105N, A106 Gr. B, AISI 316, Duplex, Super Duplex, 6Mo, heat resisting steels, other materials on request |
| Mounting style : |
Flanges connection according to DIN or ANSI |
| Pressure taps : |
DN 50 and DN 80, 2” and 3” |
| Flange facing : |
Flat or raised face according to DIN 2526 or flat, raised face or ring type joint according to ANSI B 16.5 |
| Element ratio (H/D) : |
0,2, 0,3, 0,4 and 0,5 (0,4 is standard). |
Technical Data
|
Accuracy : |
+/- 4-5 % (un-calibrated), +/- 0,5 % (calibrated). |
|
Repeatability : |
+/- 0,2 % |
|
Pressure loss : |
40 % of measured differential pressure with ratio H/D 0,4 |
|
Limits for Reynolds No. : |
Re > 500 |
|
Viscosity : |
Up to 3000 Cp |
| Installation requirement : |
down to 5 x D up-stream and 2 x D down-stream. |
