差壓（DP）流量計是當今使用的流量測量產品形式。ABB提供了大量的流量計及差壓元件，以適應各應用領域的需求。這些流量計包括：緊湊型孔板流量計、均速管流量計、文丘里管、楔形流量計、水下流量計、孔板、孔口載體組件、噴嘴流量計及濕氣測量表。所有這些流量計的材質、焊接及NDE（無損檢測）均獲得了認證。ABB還提供結構緊湊的DP流量計，用于將多個部件整合成一個容易安裝的流量計組件，以優化并保持整體性能及可靠性。ABB提供的DP流量計系列是市場上zui全面的，包括改良的測量性能，這樣的測量性能能夠根據具體應用進行定制。
在DP流量測量產品及解決方案方面擁有100多年的經驗
Compact DP flowmeters
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Flow Tubes
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Other DP Products
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Orifice Plates
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Orifice Assemblies
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- 差壓元件全面，凈壓力損失小，有助于降低能源成本，減少碳足跡
- 為條件惡劣的應用環境設計了堅固可靠的解決方案，實現了以往所不能實現的流量測量
- 緊湊型DP流量計采用綜合性管線，只需在管道上開一個孔，便可實現實時測量。這樣就降低了總安裝成本，無需再使用取壓管、法蘭，也無需再進行改裝管道，安裝簡單
| Please choose the correct flowmeter for your application: |
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Compact DP flowmeters
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| FPD500 OriMaster | FPD510 IOMaster | FPD550 PitotMaster | FPD570 WedgeMaster |
|---|---|---|---|---|
| >read more | >read more | >read more | >read more |
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| 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 |
Flow Tubes
| VTC | WM-Series |
|---|---|---|
| read more | read more |
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| De | 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
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| TORBAR | NOZ | FCD | CRN |
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| read more | read more | read more | read more |
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| De | 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 |
Orifice Plates
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| CSE | CQC/CCL | ESE/SSE |
|---|---|---|---|
| >> read more | >> read more | >> read more |
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| De | 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
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| OCA | OFA | OMR | 1330L |
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| read more | read more | read more | read more |
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| De | 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 |
