差压流量一次元件产品

ABB向市场供应无与伦比的差压一次元件产品系列，依赖于100多年的工程设计、应用和制造经验。ABB融合了Kent,Taylor和 Bush Beach的先进技术，向市场提供了带有全能系列变送器、记录定位仪和流量计算仪的完整测量系统。ABB差压一次元件支持石油和化工行业所需的全方位的认证和测试文件，包括材质认证(3.1B, 3.1C, NACE, 等等);焊接资格认证和焊接程序文件，静水压力测试;喷涂，X光和电磁检测;冲击和硬度检测(例如：Rockwell)。

Flow Tubes	Orifice Plates
Orifice Assemblies	Other DP Products

Flow Tubes

	VTC	DALL	WMR
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Description	Classical Venturi	Dall Tube	Wedgemeter
Relatively Clean Liquids	l	l	l
Dirty Liquids	l		l
Viscous Liquids			l
Relatively Clean Gas/Vapour	l	l	l
Dirty Gases/Vapours	l		l
Steam	l		l
Pipe Size Range mm (in)	50 - 1200 (2 - 48)	150 - 2000 (6 - 80)	15 - 600 (½ - 24)
Relative Cost	High	High	High
Accuracy % rate
Calibrated	≤0.5	≤0.5	≤0.5
Uncalibrated	1.5	3	3
Pressure Drop	Low	Very Low	Low
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Other DP Products

	SENSYB	NOZ	FCD	CRN
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Description	SensyBar	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
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Description	Orifice Carrier Assemblies	Orifice Flange Assembly	Meter Run
Relatively Clean Liquids	l	l	l
Dirty Liquids	Some designs	Some designs	Some designs
Viscous Liquids	Some designs	Some designs	Some designs
Relatively Clean Gas/Vapour	l	l	l
Dirty Gases/Vapours	Some designs	Some designs	Some designs
Steam	l	l	l
Pipe Size Range mm (in)	25 - 1000 (1- 40)	25 - 1200 (1 - 48)	15 - 1200 (½ - 48)
Relative Cost	Low-medium	Low-medium	Low-medium
Accuracy % rate
Calibrated	N/A	N/A	0.5
Uncalibrated	1.5	1.5	1.5
Pressure Drop	Medium	Medium	Medium
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