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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

Compact DP flowmeters

	FPD500 OriMaster	FPD510 IOMaster	FPD550 PitotMaster	FPD570 WedgeMaster



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

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

Flow Tubes

	VTC	WM-Series
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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

Other DP Products

	TORBAR	NOZ	CRN

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Description	TORBAR	Nozzles	Restriction/Pressure Drop
Relatively Clean Liquids	l	l	l
Dirty Liquids
Viscous Liquids
Relatively Clean Gas/Vapour	l	l	l
Dirty Gases/Vapours
Steam	l	l	l
Pipe Size Range mm (in)	15 - 5000 (½ - 200)	50 - 600 (2 - 24)	50 to 1000 (2 to 40)
Relative Cost	Low/Medium	Medium	High
Accuracy % rate
Calibrated	≤0.5	≤0.5	N/A
Uncalibrated	1.5	2	N/A
Pressure Drop	Low	Medium	As required

Orifice Plates

	CSE	CQC/CCL	ESE/SSE

	>> read more	>> read more	>> read more

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

Orifice Assemblies

	OCA	OFA	OMR	1330L

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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