Primary Flow Differential Pressure Products

ABB brings an unrivalled range of differential pressure primary elements to the market, backed up by over 100 years of experience in their design, engineering and manufacture. ABB offers the combined flow expertise of the former Kent, Taylor & Bush Beach organisations together with a comprehensive range of transmitters, recording and control products and flow computers to give you a complete system. ABB back up their DP primaries with the comprehensive certification, testing and documentation packages that the Oil, Gas & Chemical industries need, including material certification (3.1B, 3.1C, NACE, etc); welder qualifications and weld procedures, hydrostatic pressure testing; dye-penetrant, Radiography and Magnetic Particle Inspection; Charpy Impact testing and Hardness Survey (eg Rockwell).

OriMaster - Compact Orifice Flow Meter
Flow Tubes	Orifice Plates
Orifice Assemblies	Other DP Products

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
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Other DP Products

	TORBAR	NOZ	FCD	CRN
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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
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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
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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
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