Wedge Meter Type EWF
Typical Applications
EMCOWEDGE is used as primary element in flow measurement of liquid, gas and steam according to the differential pressure principle.
The EMCO compact orifice
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 : >5 x D up-stream and >
Advantages
Very suitable for viscous liquids.
Not sensitive to solid particles in the fluid. Bi-directional flow possible.
For very low Reynolds Nos.
Suitable for erosive fluids.
No risk of clogging. Self cleaning.
Accessories
Shut-off valves and condensing
chambers for steam flow measurement.
Sizes
DIN Flanges
A | Length | Length | Length | Length | |
---|---|---|---|---|---|
DN/Inch | 150-600 lbs | 900-1500 lbs | PN16-100 | PN160-250 | |
50/2” | 300 | 770 | 770 | 500 | 500 |
65 | 334 | 810 | 810 | 550 | 550 |
80/3” | 372 | 880 | 880 | 600 | 600 |
100/4” | 422 | 900 | 940 | 850 | 800 |
125/5” | 476 | 980 | 1060 | 920 | 700 |
150/6” | 528 | 1030 | 1140 | 990 | 900 |
200/8” | 604 | 1140 | 1300 | 1100 | 1000 |
250/10” | 694 | 1540 | 1470 | 1220 | 1100 |
300/12” | 784 | 1370 | 1620 | 1340 | 1200 |
350/14” | 836 | 1440 | 1690 | 1410 | 1300 |
400/16” | 914 | 1540 | 1810 | 1510 | 1400 |
18” | 1004 | 1640 | 1930 | 0 | 1500 |
500/20” | 1108 | 1760 | 2090 | 1660 | 1600 |
600/24” | 1248 | 1930 | 2330 | 1770 | 1800 |
700/28” | 1390 | 2130 | 0 | 1910 | 2000 |
750/30” | 1468 | 2240 | 0 | 1990 | 2100 |
800/32” | 1544 | 2340 | 0 | 2090 | 2200 |
900/36” | 1678 | 2520 | 0 | 2240 | 2400 |
Applications:-
Bitumen, high viscosity oils, paints media with solids and abrasive applications.
Works with:-
Differential pressure transmitters:-IDP10; IDP15; IDP25; IDP31; IDP50
And all our Absolute Pressure and Gauge Pressure transmitters, Temperature sensors and mass flow computers.
MultiVariable Transmitters :- IMV25, IMV30
If you require further information on this product or would like a quotation, please contact dp-flow on:
email: sales@dp-flow.co.uk
sales +44(0)1608 544222
Supplied by DP-Flow