Principle:EMCO orifice plate are used as primary elements in flow measurement of liquid, gas and steam according to the differential pressure principle
DN |
Ø Inner pipe |
Upstream length ISO 5167 |
Total length ISO 5167 |
Upstream length DIN 19215 |
Total length DIN 19215 |
---|---|---|---|---|---|
50
|
45 - 57
|
115
|
230
|
150
|
250
|
65
|
58 - 72
|
145
|
290
|
180
|
300
|
80
|
73 - 90
|
180
|
360
|
230
|
350
|
100
|
91 - 112
|
225
|
450
|
280
|
400
|
125
|
113 - 137
|
275
|
550
|
350
|
500
|
150
|
138 - 162
|
325
|
650
|
400
|
600
|
(175)
|
163- 187
|
375
|
750
|
470
|
700
|
200
|
188 - 225
|
450
|
900
|
570
|
800
|
250
|
226 - 275
|
550
|
1100
|
690
|
1000
|
300
|
276 - 325
|
650
|
1300
|
820
|
1200
|
350
|
326 - 375
|
750
|
1500
|
950
|
1400
|
400
|
376 - 425
|
850
|
1700
|
1050
|
1500
|
450
|
426 - 475
|
950
|
1900
|
1200
|
1700
|
500
|
476 - 550
|
1100
|
2200
|
1370
|
2000
|
600
|
551 - 650
|
1300
|
2600
|
1500
|
2000
|
700
|
651 - 750
|
1500
|
3000
|
1500
|
2000
|
800
|
751 - 850
|
1700
|
3400
|
1500
|
2000
|
900
|
851 - 950
|
1900
|
3800
|
1500
|
2000
|
1000
|
951 - 1100
|
2200
|
4400
|
1500
|
2000
|
Design and calculation standards
|
ISO 5167-2, ASME MFC-3M, DIN 19215, Shell Flow Meter Engineering Handbook, AGA no. 3
|
Sizes
|
DN 50 - 1000 according to DIN 2402
|
Pressure rating
|
PN 10 - 400, 150 - 2500 lbs
|
Plate thickness
|
10 mm
|
Vent or drain hole
|
On Request
|
Material
|
Carbon steel P235GH, AISI 316, 16Mo3, 13CrMo4-5, 10CrMo9-10, WB 36, X20CrMoV121, other materials on request
|
Mounting Style
|
Weld ends according to DIN 2559 or ANSI B16.25
|
Pressure taps
|
Ø 21.3 mm, 24 mm, 26.9 mm, ½" BSP male, ½" NPT male
|
Tap Length
|
150 mm, others on request.
|
Tap Location
|
Tap location for steam flow: 180°. At least 45° apart for liquid and gas. To be stated with order
|
Orifice plate shapes
|
Square edge concentric, square edge eccentric, conical, 1/4 circle, segment. The plate is bevelled on the down stream side except for 1/4 circle orifice plate
|
Marking
|
The orifice plate is marked with "+" and"-" and flow direction.
|
Accuracy
|
+/- 0,5 % for β < 0,6 and equal to β for β values above 0,6
|
Pressure loss
|
Depending on β, for β equal to 0,6 : ca. 60 % of the differential pressure measured
|
Limits for Reynolds No
|
Re > 1260 x β2 D according to ISO 5167 2000 < Re < 108 according to ASME MFC-3M
|
Accessories |
|
---|---|
single and double shut-off valves and condensing chambers for steam flow measurement
|
Cookie | Duration | Description |
---|---|---|
cookielawinfo-checkbox-advertisement | 1 year | Set by the GDPR Cookie Consent plugin, this cookie is used to record the user consent for the cookies in the "Advertisement" category . |
cookielawinfo-checkbox-analytics | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics". |
cookielawinfo-checkbox-functional | 11 months | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
cookielawinfo-checkbox-necessary | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
cookielawinfo-checkbox-others | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. |
cookielawinfo-checkbox-performance | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". |
elementor | never | This cookie is used by the website's WordPress theme. It allows the website owner to implement or change the website's content in real-time. |
viewed_cookie_policy | 11 months | The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. |
Cookie | Duration | Description |
---|---|---|
_ga | 2 years | The _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognize unique visitors. |
_gat_UA-151202324-1 | 1 minute | A variation of the _gat cookie set by Google Analytics and Google Tag Manager to allow website owners to track visitor behaviour and measure site performance. The pattern element in the name contains the unique identity number of the account or website it relates to. |
_gid | 1 day | Installed by Google Analytics, _gid cookie stores information on how visitors use a website, while also creating an analytics report of the website's performance. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously. |