Differential Pressure Flowmeters

Differential pressure (DP) flowmeters are the most common type of flow measurement products in use today. ABB offers a wide range of flowmeters and primary elements to suit almost all applications. Meters available include compact and integral orifice flowmeters, averaging pitot tubes, venturi tubes, wedge meters, sub-sea meters, orifice plates, orifice carrier assemblies, flow nozzles and wet gas meters. All are available with full certification of materials, welding and NDE. ABB also supplies compact DP flowmeters built to optimize and sustain overall performance and reliability by the integration of multiple components into a single easy to install flowmeter package. ABB offers the most comprehensive DP flowmeter portfolio in the market, including improved measurement performance that can be easily customized for any application.

More than 100 years of experience in the supply of DP Flow Products and Solutions

  • Full range of primary elements with low net pressure loss that enable reduced energy costs and a smaller carbon footprint
  • Robust and reliable solutions for difficult applications in areas where previous flow measurement was unattainable
  • Comprehensive line of compact DP flowmeters that deliver real-time measurement with a single pipe penetration. This reduces overall installation costs, offering simple installation by eliminating the need for impulse lines, special flanges or pipe modifications

Please choose the correct flowmeter for your application:




Fiscal orifice fittings
FPD220
meter2di
FPD201
meter1
FPD211
HPmeter1
FPD212
meter2
FPD270
meter3
Version
Dual chamber
with dual isolation
Single chamber
Single chamber
for high pressure
Dual chamber
Metering run
Pipe size range
in (mm)
2 to 24
(50 to 600)
2 to 24
(50 to 600)
2 to 24
(50 to 600)
2 to 24
(50 to 600)
2 to 24
(50 to 600)
Maximum pressure rating
ANSI 1500 / 2500
ANSI 900
ANSI 1500 / 2500
ANSI 1500 / 2500
ANSI 1500 / 2500
Plate removable under flowing conditions
Yes
(with enhanced safety)
No
No
Yes
Depends on type of orifice fitting used
Chamber pressure indication
Yes
No
No
No
Depends on type of orifice fitting used
Non-reversible
orifice plate
Yes
No
Yes
Yes
Yes
Upstream / downstream pipework included
No
No
No
No
Yes
Potential CAPEX/OPEX savings
Very high
High
Medium
Medium
Depends on type of orifice fitting used

Compact DP flowmeters
FPD500
OriMaster
FPD510
IOMaster
FPD550
PitotMaster
FPD570
WedgeMaster
Fixed plate
Compact integral orifice flowmeter
With integral RTD
WedgeMaster with 5 valve manifold
Flowmeter type
Compact orifice
Compact integral orifice
Compact averaging pitot
Compact wedge
Pipe size range
mm (in.)
25 to 300
(1 to 12)
15, 25, 40
(½ , 1, 1½)
100 to 600
(4 to 24)
25 to 150
(1 to 6)
Pressure drop
High
High
Low
Medium
Element removal
l
l
Viscous liquids
l
Suitable for short upstream lengths
l
Upstream/downstream ipe included
No
Option
No
No
Installation cost
Low
Low
Very low
Low
Low flowrates
l
Low Re
l
Wear resistance
l
Flow calibration
option
l
No
l
Bidirectional
No
No
Option
Option
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Stack Flowmeter
FPD580
StackFlowMaster
Clean stack gas
l
Stack gas with particles
l
Liquids
No
Steam
No
Stack Diameters
1 to 8 m (3.3 to 26.2 ft.)
Materials
316 / 321H / alloy 625
Stack Temperature
Up to 1200 °C (2192 °F)
Multivariable Tx
l
MCERTS
l
EPA Compliant
l
Purge
Manual or Automatic (option)
Zero
Manual or Automatic (option)
Auto Span
Manual or Automatic (option)
Upgrades Available
l
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Flow Tubes
VTC
WM-Series
Description
Classical Venturi
Wedgemeter
Relatively Clean Liquids
l
l
Dirty Liquids
l
l
Viscous Liquids
l
Relatively Clean Gas/Vapour
l
l
Dirty Gases/Vapours
l
l
Steam
l
l
Pipe Size Range mm (in)
50 - 1200 (2 - 48)
15 - 600 (½ - 24)
Relative Cost
High
High
Accuracy % rate
Calibrated
0.5
0.5
Uncalibrated
1.5
3
Pressure Drop
Low
Low
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Other DP Products
TORBAR
NOZ
FCD
CRN
Description
TORBAR
Nozzles
Flow Conditioner
Restriction/Pressure Drop
Relatively Clean Liquids
l
l
l
l
Dirty Liquids
Viscous Liquids
Relatively Clean Gas/Vapour
l
l
l
l
Dirty Gases/Vapours
Steam
l
l
l
l
Pipe Size Range mm (in)
15 - 5000 (½ - 200)
50 - 600 (2 - 24)
50 - 600 (2 - 24)
50 to 1000 (2 to 40)
Relative Cost
Low/Medium
Medium
Medium/High
High
Accuracy % rate
Calibrated
0.5
0.5
N/A
N/A
Uncalibrated
1.5
2
N/A
N/A
Pressure Drop
Low
Medium
High
As required
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Orifice Plates
CSE
CQC/CCL
ESE/SSE
Description
Concentric
Square- Edged
Quarter-Circle/
Conical Entry
Eccentric/Segmental
Relatively Clean Liquids
l
l
Dirty Liquids
l
Viscous Liquids
l
Relatively Clean Gas/Vapour
l
l
Dirty Gases/Vapours
l
Steam
l
Pipe Size Range mm (in)
50 to 1000 (2 to 40)
25 to 100 (1 to 20)
100 to 1000 (4 to 40)
Relative Cost
Low
Low
Low
Accuracy % rate
Calibrated
Uncalibrated

0.5
1.5

0.5
3

N/A
N/A
Pressure Drop
Medium
Medium
Medium
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Orifice Assemblies
OCA
OFA
OMR
1330L
[
Description
Orifice Carrier Assemblies
Orifice Flange Assembly
Meter Run
Flow Element
Relatively Clean Liquids
l
l
l
l
Dirty Liquids
Some
designs
Some designs
Some designs
Some designs
Viscous Liquids
Some
designs
Some designs
Some designs
Some designs
Relatively Clean Gas/Vapour
l
l
l
l
Dirty Gases/Vapours
Some
designs
Some designs
Some designs
Some designs
Steam
l
l
l
l
Pipe Size Range
mm (in)
25 - 1000
(1- 40)
25 - 1200
(1 - 48)
15 - 1200
(½ - 48)
15 - 40
(½ - 1-½)
Relative Cost
Low-medium
Low-medium
Low-medium
Low-medium
Accuracy % rate
Calibrated
N/A
N/A
0.5
0.5
Uncalibrated
1.5
1.5
1.5
2.0
Pressure Drop
Medium
Medium
Medium
Medium
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